DEVICE FOR EXCITATION OF SEISMIC WAVES Russian patent published in 1995 - IPC

FIELD: search for mineral resources. SUBSTANCE: device has mast, dropping weight and platform. Mast is fitted with guides on which dropping weight is mounted for movement in vertical direction. Vertically mobile plate and two inertial masses intercoupled rigidly by tie are installed between dropping weight and platform uniaxially to dropping weight and platform interconnected with the aid of cables passed over system of blocks with capability for disconnection. Platform is provided with L-shaped protrusions forming horizontal sleeves. Mast is put into pit, blocks are mounted on outer walls of L-shaped protrusions and pit. Inertial masses are placed in horizontal sleeves between restoring members for movement in horizontal direction. Plate is arranged on restoring members in pit for movement in vertical direction. EFFECT: increased operational efficiency. 2 dwg