Electrode support mechanism and method
US4422172A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1982 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Jan 26, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B7/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrode support mechanism and method for use in electric arc melting or smelting furnaces wherein a pair of horizontal, superimposed arms are each provided with clamping devices at their outer end for supporting and supplying electric power to a vertically disposed electrode depending into an arc furnace. The arms are each supported on a vertical support post; the upper arm is fixed to the post and the lower arm which normally carries the electrode is movable relative to the post to adjust the electrode to maintain a constant arc at the furnace. The movable arm is moved vertically by a jack screw carried by the upper arm and depending into contact with the lower arm. The clamping devices at the ends of the arms are spring-biased toward contact with the electrode, and a linking mechanism is provided to alternately release the arm clamping mechanisms from the electrode under the control of an actuating system utilizing fluid pressure actuated cylinders. The electrode is clamped to the lower clamping arm when the lower clamping arm is operating within its normal range of adjustment, but the electrode is released from the lower arm and clamped to the upper clamping arm whenever it…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.