Power spiral conveyor section and method

Details Power spiral conveyor section and method Power spiral conveyor section and method

1990-12-11

1992-02-11

Bagnell, David J.

Mining or in situ disintegration of hard material

Processes

With material-handling

198667, 299 57, 299 68, E21C 3520, B65G 3332

Patent

active

050871013

ABSTRACT:
A spiral conveyor section assembly for a mining machine includes a spiral conveyor mounted by a shaft for rotation about an axis, the shaft having first and second free ends each adapted to be connected to another shaft. A motor, gearing, and like power device effects rotation of the shaft about its axis. The power device is mounted directly in association with the spiral conveyor between the ends of the shaft. The power device has at least about 1/4-3/4 horsepower for each foot of spiral conveyor (e.g. about 32-36 inches in diameter). A second (or more) spiral conveyor can be provided mounted parallel to the first, with the power device effecting rotation of both, toward each other. A guard is mounted in association with each inner portion of the spiral section to prevent mined material from being flung from one spiral to the other. It is possible to convey mined material 1,000 feet or more utilizing spiral conveyor sections connected end to end.

REFERENCES:
patent: 2103145 (1937-12-01), Carter
patent: 3036821 (1962-05-01), Letts
patent: 4036529 (1977-07-01), Hawthorne et al.
patent: 4082362 (1978-04-01), Justice et al.
patent: 4953915 (1990-09-01), Jasser et al.

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