Device nozzle support (10) of the type comprising: - a body (12) having an inlet passage (24) of a fluid and at least one outlet passage (26) and comprising a section of revolution forming hub (16) extending around an axis (a) of rotation, - one nozzle holder head (14) is rotatably mounted on the hub (16) of the body (12) about the axis (a) of rotation, and it is intended to simultaneously carry at least two nozzles, and - locking means (74, 86) for immobilizing the nozzle head (14) in rotation on the body (12) in a plurality of predetermined positions, at least some of the same one of the nozzles is connected to outlet passage (26) of body (12), characterized in that the device (10) is equipped with a drive mechanism of the nozzle head (14) in rotation comprising: - a plurality feed dog (88) arranged regularly alrede dor axis (A) of rotation of the nozzle head (14), - a driving element (90) equipped with at least one catch (98) retractable drag having a free end adapted to push the feed dog (88 ) on the oscillating drive element (90) on the body (12) being mounted about the axis (a) of rotation, according to a reciprocating movement during which the pawl (98) drives incrementally head guard (14) to a predetermined position by cooperation with one of the feed teeth (88), and a return movement during which the pawl (98) is retracted, - an actuator (106) comprising a shank ( 118) which is connected drive moving the drive element (90) for driving the drive element (90) in sloshing.Dispositivo soporte de boquillas (10) del tipo que comprende: - un cuerpo (12) que presenta un paso de entrada (24) de un fluido y al menos un paso de salida (26), y que comprende un tramo de revolución que forma cubo (16) que se extiende alrededor de un eje (A) de rotación, - una cabeza portaboquillas (14) que está montada a rotación sobre el cubo (16) del cuerpo (12) alrededor del eje (A) de rotación, y que está concebida para llevar simultáneamente al menos dos boquillas, y - medios de inm
