A HYDRAULICALLY-DRIVEN VIBRATOR DEVICE FOR A VIBRATION COMPACTING MACHINE

摘要

The invention relates to a vibrator device (100) fora vibration compacting machine, said device comprising:.cndot. a tubular body (102,) extending longitudinallywhile presenting a bottom end;.cndot. at least a first hydraulic motor (110) disposed inthe tubular body and comprising a rotor (122) and astator (102); and.cndot. an eccentric member (108) arranged inside thetubular body between the bottom end and the firsthydraulic motor, said eccentric member being designed tobe driven in rotation by the rotor of the first hydraulicmotor in order to produce vibration.The invention is characterized in that the stator ofthe first hydraulic motor (110) is constituted by thetubular body.