SINGLE-BUCKET EXCAVATOR Russian patent published in 2019 - IPC E02F3/34 

FIELD: machine building.

SUBSTANCE: invention relates to excavating equipment, particularly, to single-bucket excavator. Single-bucket excavator includes mechanisms of movement and turning, rotary platform with hinged working equipment in form of jib with turn hydromechanism in vertical plane, telescopic handle and bucket with hydraulic drives. Excavator is equipped with a hopper with a soil volume sensor, connected to ground volume indicators and through a time relay with an electric controlled hydraulic distributor of unloading hydraulic cylinders, which are hingedly connected by bodies with side walls and rods through tie-rods with movable bottom, equipped with rollers on horizontal guides in front part and on vertical guides in rear part, as well as a buffer made in the form of hingedly attached lever and hydraulic cylinder, connected with pressure relay and through controlled throttle and check valve with hydraulic accumulator. Hydraulic control mechanism hydraulic control valve of jib is electrically controlled and equipped with diode and electromagnetic relay connected to pressure relay, and its outlet hydraulic lines are equipped with controlled throttles, control lines of which are connected to slit magnetic sensor of angular movement, installed in lower part of jib.

EFFECT: higher efficiency and easier control of working process.

4 cl, 2 dwg