HEADER

摘要

A header for an agricultural harvester has a frame with a floor surface and an auger to laterally transport crop material towards a central aperture, wherein a cutter bar forms the leading edge of the header and is moveable via a slide between a retracted and an extended position, the header further includes a belt conveyor for transporting crop material from the cutter bar to the auger, the belt conveyor is provided with a belt-length-adapting mechanism so that the length of the belt is changeable between a short track and a long track respectively corresponding to the retracted position and the extended position.

主权项

1. An agricultural header comprising
a frame adapted to be connected to an agricultural harvester, the frame comprising a floor surface substantially defining the width of the header, wherein an auger is mounted to the frame above the floor surface, the auger being provided to laterally transport crop material towards a central crop-receiving aperture; a cutter bar forming the leading edge of the header, the cutter bar being mounted to the frame via a slide so that the cutter bar is moveable between a retracted and an extended position; and a belt conveyor for transporting crop material from the cutter bar towards the auger, the belt conveyor extending between a first shaft that is mounted to the frame at a predetermined distance from the auger and a second shaft that is mounted to the slide at a predetermined distance from the cutter bar, and wherein the belt conveyor is provided with a belt-length-adapting mechanism so that the length of the belt between the first shaft and the second shaft is changeable between a short track corresponding to the retracted position and a long track corresponding to the extended position of the cutter bar.