UNDERWATER GROUND RIPPING DEVICE Russian patent published in 2004 - IPC

FIELD: hydraulic engineering. SUBSTANCE: invention relates to devices for underwater working of ground by means of dragging ground intake mechanism with slot suckers used in dredgers and other like underwater mechanisms. Invention provides-simple and reliable design of ripper for working and layer-by-layer removal of ground at increased efficiency of ripping of different category grounds by quick re-adjustment of ripper and provision of operation at depths up to 100 m. Proposed device contains ground ripping and delivering units. Said units are made in form of vertical knives with fitted-on blades installed on shaft. Shaft is installed for movement in supports, and lever fixed on shaft is coupled with tie-rod connected with reciprocating-action mechanism. Number of knives and blades can be different or equal. EFFECT: provision of simple and reliable design of ripper. 7 cl, 6 dwg