Mining machine with externally mounted drive means

Details Mining machine with externally mounted drive means Mining machine with externally mounted drive means

1980-10-15

1983-08-02

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 43, E21C 2922

Patent

active

043962297

ABSTRACT:
A mining machine 1 of the shearer type comprises an elongate machine body 2 housing inter alia a power unit 11 for powering at least one rotary, mineral cutting head 10, and at least one haulage unit 12 mounted on the outside of the machine body. The haulage unit includes a variable speed motor 16, such as an electric AC motor. The motor is connected via speed reduction gearing 19 to a machine haulage sprocket 13 adapted to progressively engage rack bars 14 or a chain extending along the mineral face 5. A brake unit is also provided in the haulage unit. By locating one or more haulage units outside the machine body, the units can be located at appropriate locations, on either the goaf or face sides of the machine, or both sides, to suit particular operating conditions.

REFERENCES:
patent: 3473846 (1969-10-01), Lanfermann et al.
patent: 3594043 (1971-07-01), Weber et al.
patent: 4045083 (1977-08-01), Monks
patent: 4097091 (1978-06-01), Knorr
patent: 4189188 (1980-02-01), Schlipphaus et al.
patent: 4248483 (1981-02-01), Parrott

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