CN202168239U - Electrode gripping head for metallurgical electric furnace - Google Patents
Electrode gripping head for metallurgical electric furnace Download PDFInfo
- Publication number
- CN202168239U CN202168239U CN2011202508388U CN201120250838U CN202168239U CN 202168239 U CN202168239 U CN 202168239U CN 2011202508388 U CN2011202508388 U CN 2011202508388U CN 201120250838 U CN201120250838 U CN 201120250838U CN 202168239 U CN202168239 U CN 202168239U
- Authority
- CN
- China
- Prior art keywords
- water
- gripping head
- graphite
- cooled steel
- electric furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
An electrode gripping head for a metallurgical electric furnace comprises a water-cooled steel jacket and a graphite gripping head embedded in the water-cooled steel jacket. The outside of the graphite gripping head and the inner side of the water-cooled steel jacket adopt wedge-shaped surfaces which are matched with each other, the small end of the graphite gripping head adopts an arc concave surface, and the big end of the graphite gripping head is a flat surface contacted with a conductive cross arm. Compared with a conventional electrode gripping head, the electrode gripping head provided by the utility model has the advantages of low material cost, easiness in manufacture, simplicity in structure, long service life and the like, and is particularly and widely suitable for metal smelting industry.
Description
Technical field
The utility model relates to a kind of conducting connecting part of metallurgical electric furnace, particularly a kind of metallurgical electric furnace terminal clamp.
Background technology
Existing metallurgical electric furnace conducting system, by conductive cross arm, terminal clamp, water-cooled activity chuck, pull bar pivot pin and graphite electrode are formed.Wherein terminal clamp is connected with bolt with conductive cross arm, and the material of terminal clamp is generally copper or copper alloy, is not melted under hot environment in order to guarantee the copper electrode chuck, will process the passage of cooling water in the inside of terminal clamp, and terminal clamp is cooled off.The copper electrode chuck receives the influence of high temperature, top load, and under the heavy current effect, the copper electrode chuck damages easily.Because copper product costs an arm and a leg, and the water-cooling channel of portion's processed complex within it, difficulty of processing is big, and manufacturing cost is high, has brought higher production cost to metallurgical production.
The utility model content
The utility model is to overcome that the cost that the copper electrode chuck has is high, difficulty of processing is big, and flimsy shortcoming has proposed a kind of terminal clamp that replaces the copper electrode chuck.
The technical scheme of the utility model is; A kind of metallurgical electric furnace terminal clamp; It is characterized in that: it comprises the water-cooled steel bushing, is embedded in the graphite chuck in the water-cooled steel bushing, and the said graphite chuck outside is the lozenges that cooperatively interacts with the inboard of water-cooled steel bushing; The small end of graphite chuck is an arc-shaped concave, and the big end of graphite chuck is the plane that contacts with conductive cross arm.
The both sides of water-cooled steel bushing are equipped with flange, have connecting hole on the flange.
The big end of graphite chuck is connected with the water cooled steel cover through pressing plate.
The characteristics of the utility model are; Utilize graphite chuck Alloy instead of Copper terminal clamp, can effectively reduce cost, because graphite is high temperature resistant; And with graphite electrode be same material; The two conductance is identical, can not produce pressure reduction at contact-making surface, when by force electric current when being transported to electrode stove can obtain the performance of maximum with power.Fixedly the water-cooled steel bushing of graphite chuck is with the graphite chuck wedge-like engagement, fixing reliable, simple in structure.Water cooled steel is enclosed within the cooling of recirculated water, and is not fragile, and cost is low.
Description of drawings
Fig. 1 is an electric furnace conducting system structural representation.
Fig. 2 is the terminal clamp front view.
Fig. 3 is the left pseudosection of Fig. 2.
Fig. 4 is the A-A cutaway view of Fig. 3.
Among the figure: 1 conductive cross arm, 2 terminal clamps, 3 water-cooled activity chucks, 4 graphite electrodes, 5 pull bar pivot pins, 6 pressing plates, 7 water-cooled steel bushings, 8 recessed edge, 9 graphite chuck, 10 water-cooling channels.
Embodiment
With reference to accompanying drawing, the metallurgical electric furnace conducting system, by conductive cross arm 1, terminal clamp 2, water-cooled activity chuck 3, pull bar pivot pin 5 is formed with graphite electrode 4.The utility model is that the structure of terminal clamp 2 is improved; Specific as follows: the terminal clamp 2 that the utility model provides is made up of water-cooled steel bushing 7 and the graphite chuck 9 that is embedded in the water-cooled steel bushing 7; The wedge shape that cooperates is processed into the inboard of water-cooled steel bushing 7 in the both sides of graphite chuck 9; The small end of graphite chuck 9 is processed with arc-shaped concave, and this arc-shaped concave matches with graphite electrode 4.The both sides of the big end of graphite chuck are processed with groove, on groove, are pressed with pressing plate 6, are connected with bolt between pressing plate 6 and the water-cooled steel bushing 7.The plane of the big end of graphite chuck 9 contacts with conductive cross arm 1, is connected through flange 8 usefulness bolts between conductive cross arm 1 and the water-cooled steel bushing, and the water-cooled steel bushing is built-in with water-cooling channel 10.Because wedge surface cooperates between graphite chuck 9 and the water-cooled steel bushing 7, so under the thrust effect of the big end of graphite chuck, make firm the cooperating of maintenance between graphite chuck 9 and the water-cooled steel bushing 7.
Claims (3)
1. metallurgical electric furnace terminal clamp; It is characterized in that: it comprises the water-cooled steel bushing; Be embedded in the graphite chuck in the water-cooled steel bushing; The said graphite chuck outside is the lozenges that cooperatively interacts with the inboard of water-cooled steel bushing, and the small end of graphite chuck is an arc-shaped concave, and the big end of graphite chuck is the plane that contacts with conductive cross arm.
2. metallurgical electric furnace terminal clamp according to claim 1 is characterized in that: the both sides of said water-cooled steel bushing are equipped with flange, have connecting hole on the flange.
3. metallurgical electric furnace terminal clamp according to claim 1 is characterized in that: the big end of said graphite chuck is connected with the water cooled steel cover through pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202508388U CN202168239U (en) | 2011-07-16 | 2011-07-16 | Electrode gripping head for metallurgical electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202508388U CN202168239U (en) | 2011-07-16 | 2011-07-16 | Electrode gripping head for metallurgical electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202168239U true CN202168239U (en) | 2012-03-14 |
Family
ID=45804040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202508388U Expired - Fee Related CN202168239U (en) | 2011-07-16 | 2011-07-16 | Electrode gripping head for metallurgical electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202168239U (en) |
-
2011
- 2011-07-16 CN CN2011202508388U patent/CN202168239U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140716 |
|
| EXPY | Termination of patent right or utility model |