FASTENING OF CUTTING HEAD OF CUTTING LOADING MACHINE Russian patent published in 2016 - IPC E21C25/16 

FIELD: mining.

SUBSTANCE: fastening of the cutting head of a cutting loading machine comprises a locking device, a thrust bushing, a protective fixing element and pins. The locking device is implemented in the form of a lock screw screwed with the threaded end into the end face of a driving shaft, and a flange resting against the thrust bushing. The bushing is implemented in the form of split rings installed in the cutting head bore. The protective fixing element implemented in the form of a barrel by open cylindrical part holds the split rings in the cutting head bore, and the face closed part is fixed by the pins located in the ring bore of the lock screw.

EFFECT: reliability and durability of fastening of the cutting head, simplification of assembly and dismantling, ensuring the stability of operation of the executor and the machine in general, decrease of costs of service and repair.

2 dwg