Agricultural harvesting machine comprising an improved device for guiding plants

An agricultural machine for the harvesting of fodder comprising a frame to which is connected a structure situated, at least partially, above at least one pick-up device for picking up plants lying on the ground, the pick-up device comprising teeth with teeth points describing a curve envelope when the teeth are driven, the machine also comprising at least one processing device for processing the picked up plants which is situated close to the pick-up device, and a guiding device for guiding the plants which is situated at least partially above and at a small distance from the pick-up device, the guiding device being displaceable with respect to the pick-up device about a main instantaneous rotation center, by means of a displacement device comprising a first connecting means and a second connecting means of the guiding device to the structure, the first connecting means enabling the guiding device to pivot about a first instantaneous rotation center, the second connecting means enabling the guiding device to pivot about a second instantaneous rotation center, the displacement device being able to be placed in at least a first position and a second position, the guiding device comprising a front part having a lower front end, a rear part delimited by a rear end, and an intermediate part connecting the front part to the rear part, wherein the first connecting means and the second connecting means are geometrically and/or elastically configured such that in the first position, the lower front end is raised greatly above the ground and the intermediate part is brought close to the teeth points of the pick-up device, and wherein in the second position the lower front end is brought greatly close to the ground and the intermediate part and the rear part are distanced from the teeth points of the pick-up device.