Abstract: Needling device to consolidate a fleece or web of fibres, in particular non-woven, by needling, comprising: at least one needle plate with an array of needles; at least one column with its longitudinal axis rigidly connected to the at least one needle plate; drive systems configured to impart to the at least one column a to and fro motion so that the needles follow an elliptical path to pass through, in one direction then the other, the fleece or web of fibres that passes in front of it in the machine or MD drive direction to consolidate it; a sealed housing containing part of the column and its drive system and at least one guide pot fitted in an opening in the sealed housing and oscillating in relation to an axis of oscillation perpendicular to the longitudinal axis and the direction MD, The at least one column passing through the housing through at least one guide pot and sliding in it and drive systems comprising the first longitudinal drive system configured to impart to the at least one column a