MACHINE FOR QUARRYING AND CUTTING STONE INTO BLOCKS Russian patent published in 1994 - IPC

FIELD: mining industry. SUBSTANCE: machine has an undercarriage with a frame, a rotary platform, a cabin with a control panel, a body having a compressor and a receiver, a pump unit, an arm, arm lifting and lowering hydraulic cylinders, a frame for suspension of an actuator member with a traverse, the actuator member with pneumatic hammers, a bin for receiving the cut stone, an additional actuator member, and grips for lifting the cut stone. The additional actuator member is made in the form of hydraulic cylinders having wedge-shaped indenters mounted on its rods. The main actuator member has load hydraulic cylinders disposed between the pneumatic hammers. A wedge-shaped indenter is secured on the rod end of each load hydraulic cylinder. The main actuator member has clamping hydraulic cylinders having shoes mounted on the ends of its rods to interact with the cut stone. EFFECT: enlarged operating capabilities. 7 dwg