SINGLE BUCKET EXCAVATOR Russian patent published in 2020 - IPC E02F3/28 

FIELD: excavating equipment.

SUBSTANCE: invention relates to excavating equipment and can be used in single-bucket excavators. Single-bucket excavator comprises rotary platform arranged on running truck with boom with bucket installed on it, accumulating tank with hydraulic supports and unloading mechanism. Accumulating reservoir is made with possibility of vehicle passage under it and installation on rotary platform. Excavator is equipped with cantilever hingedly mounted on running trolley with hydraulic drive of lifting, and accumulation tank is equipped with support wheels, sensor with indicator of volume of soil and quick-detachable grip, mating part of which is mounted on end of cantilever. Supports are made in the form of hydraulic cylinders with movable housings installed in guides attached to side walls, and wheels ends are connected to ends of housings. Unloading control system is equipped with a time relay, a remote radio signal panel, a receiver and an output relay with contacts connected to an electric line connecting the soil volume sensor with a time relay which is connected to solenoids of the electrically driven hydraulic control valve.

EFFECT: increased efficiency and reliability of single-bucket excavators.

1 cl, 2 dwg