Drum assembly for a continuous miner

Details Drum assembly for a continuous miner Drum assembly for a continuous miner

1991-01-18

1992-09-01

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable vertically

299 89, F21C 2724

Patent

active

051434237

ABSTRACT:
A cylindrical drum assembly is rotatably mounted transversely on the front of the boom member of a continuous miner. The drum assembly comprises a pair of independently operable drum sections. Each drum section is driven through an input shaft connected to a motor. The drum sections may be connected by a coupler to form a unitary drum assembly which may be operated by only one of the motors. Torque is transmitted from the input shafts to a bevel gear rotatably supported in the drum section. The bevel gear is nonrotatably connected to a sun gear which in turn drives a plurality of planetary gears connected to a cylindrical planetary cage with a bore defining an inner surface. The cage is connected to a cylindrical inner housing on its outer surface and to an output shaft on its inner surface through a cylindrical shear coupler. A puller shaft is provided to remove the output shaft and the shear coupler.

REFERENCES:
patent: 3773384 (1973-11-01), Anderson
patent: 3966257 (1976-06-01), Shah
patent: 4582363 (1986-04-01), LeBegue et al.
patent: 4786112 (1988-11-01), Brandl

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