Electrode support mechanism and method

Details Electrode support mechanism and method Electrode support mechanism and method

1983-12-16

1986-05-13

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode support

373 52, 373 99, 373100, 373101, H05B 710

Patent

active

045891192

ABSTRACT:
An apparatus for adjustably supporting a vertical electrode for an arc-type furnace. The apparatus includes an upper stationary electrode clamping structure and a lower adjustable electrode clamping structure suspended from the upper structure by adjustment screws. The two clamping structures are mounted on a carriage movable linearly into and out of registry with the furnace to accommodate maintenance and repair. Each clamping structure comprises an arcuate electrical contact and wedge-type slips engaging the periphery of the electrode in opposition to the electrical contact, the slips being spring-biased into electrode engagement and cam actuated from electrode engagement. The cams are actuated by a common shaft extending between the two clamping structures, so that the electrode is released from one clamping structure when engaged by the other clamping structure.

REFERENCES:
patent: 1892109 (1932-12-01), Marshall
patent: 2911455 (1959-11-01), Olsson et al.
patent: 3247305 (1966-04-01), Allen
patent: 3898364 (1975-08-01), Hardin
patent: 4075414 (1978-02-01), Thomas
patent: 4182927 (1980-01-01), Phillips
patent: 4194078 (1980-03-01), Thomas
patent: 4397028 (1983-08-01), Dunn et al.

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