| 摘要 |
FIELD: construction.SUBSTANCE: device is designed for fixation to a driven object submerged into soil or withdrawn from soil by creation of vibration and comprises at least two counterbalances (15, 16), synchronously rotating in the opposite direction, rolling along a guide and driven by separate shafts. In accordance with this invention the guide is a bearing ring (32), installed into the body, at the same time the bearing ring is made of roller bearing steel having thickness according to Rockwell hardness C scale ?50.EFFECT: increased amplitude of a vibro-driver with reduction of its physical dimensions.13 cl, 5 dwg |
