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Publication numberUS1686302 A
Publication typeGrant
Publication dateOct 2, 1928
Filing dateNov 4, 1925
Priority dateNov 7, 1924
Publication numberUS 1686302 A, US 1686302A, US-A-1686302, US1686302 A, US1686302A
InventorsMartin Walther
Original AssigneeNorske Elektrokemisk Ind As
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Distance handling of electrodes
US 1686302 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

Oct. 2, 1928.

M. WALTHER DISTANCE HANDLING OF ELECTRODES s Sheets-Shet Filed Nov. 4, 1925 1,686,302 'M. WALTHER DISTANCE HANDLING OF ELECTRODES Filed Nov. 4, 1925 s'sneets-sneet 2 haw/1101111))!!! I gnp'entop g2) Amer/N M44 THE/8; t

1,686,302 M. WALTHER FileqfNov. 4, 193 5 3 sheejsheet 3 DISTANCE HANDLING OF ELECTRODES .59 /f V H a Oct. 2, 1923.

Patented Get. 2, 1928 p UNIT D-STATE ron amx'rnoxamsx mnus'rnm "PATENT, .fomcsor wonwav, or osno. wonwar.

ms'rAncE HANDLING or nmo'rnonns.

' Application jlled Minibar 4,1925, Serial in. 6 6,794, and m ll'oi'waylfovember 7,1924.

The electrode packets previously used in the big electric smelting furnaces for carcation bide and ferro alloys have now gradually. been replaced by the so-called selfbakmg".

. continuous electrodes which are made at the place where they are used. These electrodes are never removed from the smelting furnace but. are lowered through the electrode hold er when the working end of the electrode below the holder. becomes too short. As these electrodes may weigh up to 10 tons very. strong electrode holders are required, having powerful pressing-or gripping members and preventing it from sliding uncontrolled through the holder during its use.

' ment may 'be'eflected from-a place at some not being subjectedto the furnace.

I have now found that the handling of such electrodes by means of a simple arrangedistance. from. the furnace itself, said place the intense heat from Hereby firstly a greater safety for the workmen is attained, possible accidents'as for instance drop of the elegtrode whereby glowing metal or carbide is splashed-aroundcausing no danger. I Secondlyfin'c'reased production is attained as it is possibleto-lower the electrode during its use without-breaking the current.

to keep the electrode in place ..of the form shqw means of t In the Fig.

fication form of the invention.

parts brokerf away, of Fig" 2.

Fig. 4; represents a view similar to Fig. l-

bf another form, partsbeing' broken awe and shown in section. V

Fig. 5 represents a view similar to n in Fig. 4.

Fig. 6 represents aview similar to Fig-4 of still another form of the invention.

tion showing an electrode provided with'a mechanism for distance-handling, 5 is the electrode, 6 is a platformprotecting against heat lfromthe'furnace and above which the tam'ping takes place. 7 is a worm wheel in threads 10 and registers with, the lever 11 movable around the tap 12 its other end drawings forming part of this applip 1 represents an elevational view, partly in section, illustrating the invention.

Fig. 2 represents an elevational view of half of an electrode equipped with a1'nodi.'

Fig. 1 is an elevational view, partly in sec drivin th Yshaft SWVhen s t in motion by 1e wheel 9. The s aft Sis movable pressing against the member 1 1 which again presses against the electrode griPPing'memher-.15 thus keeping the electrode: in place. By opposite turning of the wheel 9 the elec- The distance-handling me. be carriedout trode holder may again be loosened. All

in many different ways, all accordin to the nature of the holder. Commonto em all is one or more mechanical connection mem-.

bers between the inechanismpre sing the electrode tight in theholder and the place from which the distance-handling is efiected. Generally it will'be' advantageous to efiept the distance-handling from the taming i room arran d above-the furnace" "n in which the uilding up of the 'el de carried'out. This room is always accessible. during the use of the furnace'an'd care istaken to keep flie temperature of this room handling of the holder may thus be carried out from vthe'tamping platform.

Fig. .2 illustrates a modified form arminvention-showing an elevation .of one half of an electrodein which the shaft 8 is moved in'the same wayas in Fig. l, but dueto its rotation moves the levers 16 and '17 as shown in'Fig. 3 which is a sectionthrough Fig. 2

at the line H Thelevers" are movable.

around the taps 18 and'1'9and engage with the members 14 which again press against the p one half ofan electrode, partly shown inseetion, in which the shaft 8 by means of its rotation drives'a T electrode fppingmemberlti. Fig. 4 si o ws an elevation of worm wheel--20 which bymeans of threads wards.-

- Fi 5 i'sa section through Fig. 4 at the line,

Fig. 6'

.will move the member. 14 forwards orback m shows elevation of one half of an 1 electrode; partly shown insection, infwhieh l theshaft 8 moves 'a lever 21 by means of screw-threads 22.. The lever is movable presses the member 14.- in or out.

In all drawings the same numbers refer to the same or corresponding parts.

As will be understood from above the invention may becarried into effect in many different ways and is not limited to above e'xamplcs which only illustrate a few practical applications. The arrangement may of course also be employed'with usual electrodes of same dimensions as the continuous electrodes and will then afford the same advantages to the workmen.

What I claim as new and desire to secure by Letters Patent of the United States is:

l. Arrangement for handling of-selfbaking electrodes for electric furnaces comprising a tamping room arranged above the furnace and ing means located below the room and adjacent the holder, a movable shaft extending into the room, means located in the room for actuating such shaft, and means operable by the shaft for actuating said holder engaging means. A I

. 2L Arrangement for handling of electrodes for electric furnaces comprising a room protected from the heat of the furnace, a holder for the electrode, a shaft terminating at one end adjacent the holder, means located in said room for operating said shaft, means for tightening and loosening said holder, and means connecting said tightening and loosening means with the adjacent end ofsaid shaft and operable by the latter for actuating said tightening and loosening means.

3. Arrangement for handling of selfbakrotected from the heat of the lat-- 'ter, a hol er for the electrode, holder engaging electrodes for electric furnaces comprising a room protected from the heat of the furnace and intowhich the electrode extends, a

holder for the electrode, a rotatable shaft extending to the outside of said room, means located in said room for operating said shaft, means for actuatlng the holder, and: lever mechanisn'i interposed between said shaft and holder actuating means for operating the latter from the shaft.

' 4. Arrangement for handling of selfbaking electrodes comprising a room protected means located outside of the room and movable toward and away from the electrode, and

means for translating the rotary movement of the shaft to movement of'said holder engaging means toward and away. from the electrode.

5. Arrangement for handling of selfbaking electrodes for electric furnaces comprisa tamping room in which the electrode is built up, an electrode holder located outside of said room,-hol.der engaging means movable bodily towardand away from the electrode, a shaft extending into the room at one end and teru'iinating'at its other end adjacent the holder, means located in the room for rotating said shaft, and means interposed between the holder and the adjacent end of the shaft for translating the rotary movement of the shaft to movement of the holder engaging means toward and away from the electrode.


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2851287 *May 23, 1956Sep 9, 1958Combustion EngWeight-operated latch
U.S. Classification373/97, 314/134, 188/67, 373/100, 313/327, 314/129, 313/146
International ClassificationH05B7/00, H05B7/109
Cooperative ClassificationH05B7/109
European ClassificationH05B7/109