STRAIGHTING-CLEANING MACHINE Russian patent published in 2019 - IPC E21C27/20 E21C31/00 E21C29/22 

FIELD: machine building.

SUBSTANCE: invention relates to a straighting-cleaning machine. Proceeding-cleaning machine comprises working equipment including actuator, deflector, berm, shields; scraper conveyor, skis, caterpillar drive and drilling unit made with possibility of automatic drilling; electric system and hydraulic system containing three circuits. First circuit – caterpillar hydraulic motor drive circuit – includes first and second pumps, stroke hydraulic motors, hydraulic lock installed in the first and second pumps performance control circuit. Second circuit – circuit of power hydraulic cylinders of working equipment control – includes the third pump, in-series connected the first and the second six-section hydraulic distributors with safety valves, connected to hydraulic cylinders of control of working equipment. In the actuator cylinders control circuit the brake valves are connected. Third circuit – cutter control circuit and drilling unit – comprises fourth and fifth pumps, four-section hydraulic distributor with safety valve and two OR valves, first hydraulic unit includes four explosion-proof electrically controlled distributors, second hydraulic unit includes first and second hydraulically controlled distributors with safety valves, connected in series through first and second six-section hydraulic control valves of power hydraulic cylinders circuit, speed switching hydraulic cylinders, drilling rig hydraulic cylinder and drill rotation hydraulic motor, hydraulic locks installed in control circuit of hydraulic control cylinders. Hydraulic power packs with reactive and safety valves are separated and flow rate controllers are installed on each feed line of hydraulic units. In control circuit of berm element, device of bumper, shields, skis, lifting and turning of conveyor there are hydraulic locks fixed directly on bodies of corresponding hydraulic cylinders by means of hydraulic tubes. In chain of conveyor chain stretching control unit there is a make-up unit consisting of reverse and safety valves, as well as pneumatic hydraulic accumulator connected with the fourth pump. Combine motion control circuit and drilling unit comprises the third hydraulic unit including hydraulically operated distributor with safety valve, hydraulic motor of carriage supply of drilling unit and two throttles are built in control circuit of this motor. Third hydraulic unit is connected to the fifth pump. Four-section hydraulic distributor is connected to the fourth pump. First explosion-proof electrocontrolled distributor is connected to the second hydraulically operated distributor of the second hydraulic unit, which is connected to the hydraulic cylinder of the thrust of the drilling installation. Second explosion-proof electrically controlled distributor is connected to the first hydraulically operated distributor of the second hydraulic unit, which is connected to hydraulic motor of carriage supply of the drilling unit. Third explosion-proof electrically controlled distributor is connected to the first hydraulically controlled distributor of the third hydraulic unit, which is connected to hydraulic motor of drill rotation.

EFFECT: technical result is higher maneuverability.

1 cl, 4 dwg