In order to reduce crop losses, a double knife cutting system (11) is configured on the knife bar (6), where the double knife cutting system (11) includes a first part of the knife blades (18a) present on the cutting unit (2) are fastened to a first knife back (20a), this first part of the knife blades (18a) together with the first knife back (20a) forming the upper knife (22), and a second part of the knife blades (18b) present on the cutting unit (2) being fastened to a second knife back (20b), this second part of the knife blades (18b) together with the second knife back (20b) forming the lower knife (24), the upper knife (22) and the lower knife (24) being driven in opposite directions, and the sliding surface (14) being configured as a bar (16) which is connected in a stationary manner to the upper knife (22).

A harvesting system includes at least one modular unit coupled to a harvester includes a drying unit to dry a harvested material introduced into the harvester including at least one rotating drum, a number of appendages extending from the at least one rotating drum, at least one sensor to determine at least one environmental state within the drying unit, and at least one environmental state adjustment device to adjust at least one environmental attribute within the drying unit. The modular unit also includes a collection unit to collect the harvested material into a unit, a first conveyor mechanism to convey the harvested material from the drying unit to the collection unit, and a control system to control at least the harvester, the drying unit, the collection unit, the first conveyor mechanism, the sensor, and the environmental state adjustment device based on a signal received from the at least one sensor.

A harvesting system includes at least one modular unit coupled to a harvester includes a drying unit to dry a harvested material introduced into the harvester including at least one rotating drum, a number of appendages extending from the at least one rotating drum, at least one sensor to determine at least one environmental state within the drying unit, and at least one environmental state adjustment device to adjust at least one environmental attribute within the drying unit. The modular unit also includes a collection unit to collect the harvested material into a unit, a first conveyor mechanism to convey the harvested material from the drying unit to the collection unit, and a control system to control at least the harvester, the drying unit, the collection unit, the first conveyor mechanism, the sensor, and the environmental state adjustment device based on a signal received from the at least one sensor.

A sorghum cutting header and a sorghum harvester with large feed volume and multiple reeling pans includes a reeling header, a rod crushing device, and a reciprocating cutter device. The rod crushing device is located under the reeling header. The reeling header includes reeling pans, frame rods, bearing seats, reeling pan shafts, tandem shafts, and tandem shaft bearing seats. The reeling pan shafts are installed in parallel on the frame rod through bearing seats. The adjacent reeling pan shafts are in transmission connection, and at least one reeling pan shaft is in transmission connection with the power device. An inner part of any reeling pan shaft penetrates the tandem shafts. Both ends of the tandem shafts are supported on the frame rods, and one end of the tandem shafts is fixed on the tandem shaft bearing seats. The reeling pans are mounted on any reeling pan shaft.

A sorghum cutting header and a sorghum harvester with large feed volume and multiple reeling pans includes a reeling header, a rod crushing device, and a reciprocating cutter device. The rod crushing device is located under the reeling header. The reeling header includes reeling pans, frame rods, bearing seats, reeling pan shafts, tandem shafts, and tandem shaft bearing seats. The reeling pan shafts are installed in parallel on the frame rod through bearing seats. The adjacent reeling pan shafts are in transmission connection, and at least one reeling pan shaft is in transmission connection with the power device. An inner part of any reeling pan shaft penetrates the tandem shafts. Both ends of the tandem shafts are supported on the frame rods, and one end of the tandem shafts is fixed on the tandem shaft bearing seats. The reeling pans are mounted on any reeling pan shaft.

A cam assembly is provided for a pick-up reel of an agricultural harvester. The cam assembly includes a cam track, a roller bearing assembly, a crank arm, and a biasing member. The roller bearing assembly includes a baffle and first and second cam followers. The first and second cam followers are each mounted to the baffle in spaced apart relation and engaging the cam track. The crank arm is for mounting to the pick-up reel. The biasing member biases the roller bearing assembly relative to the crank arm.

A harvester head reel may include a bat support and an extendable bat supported by the bat support. The extendable bat may have a first segment and a second segment overlapping the first segment. The harvester head reels may further include a first finger extending from the first segment and a second finger extending from the second segment.

A harvester head reel may include a bat support and an extendable bat supported by the bat support. The extendable bat may have a first segment and a second segment overlapping the first segment. The harvester head reels may further include a first finger extending from the first segment and a second finger extending from the second segment.

The disclosure provides a system and a method for controlling a reel of a combine harvester, wherein, the system comprises a satellite positioning receiver, a driving device, a controller and a rotating speed sensor; the rotating speed sensor collects and transmits an actual rotating speed of the reel to the controller, and the controller provides the driving device with a speed regulation signal according to the actual rotating speed and the operation running speed. The disclosure may realize that the rotating speed of the reel can be automatically, accurately and quickly adjusted according to the operation running speed of the combine harvester during the operation of the combine harvester, and improve the operation efficiency and quality while ensuring the crop feed quantity.

An agricultural work machine is provided comprising a surroundings detection device for detecting a surroundings in sections, and one or more controllable working elements, wherein the surroundings detection device generates surroundings detection signals, which can be processed in a control and regulating device assigned to the agricultural work machine, wherein the surroundings detection device is designed as a scanner, which scans the surroundings in scanning planes, and wherein each scanning plane is assigned to the control of working elements.