CN105571331A - Auxiliary device for electric furnace electrode circle centering - Google Patents
Auxiliary device for electric furnace electrode circle centering Download PDFInfo
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- CN105571331A CN105571331A CN201610100886.6A CN201610100886A CN105571331A CN 105571331 A CN105571331 A CN 105571331A CN 201610100886 A CN201610100886 A CN 201610100886A CN 105571331 A CN105571331 A CN 105571331A
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- electrode
- transverse arm
- profiling
- electric furnace
- arc furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses an auxiliary device for electric furnace electrode circle centering. The auxiliary device comprises a profiling electrode (100), two positioning rings (300) and a connecting part. The profiling electrode (100) can be matched with an electrode holding hand of an electric-arc furnace cross arm, and the center line of the profiling electrode (100) and the center line of the electrode holding hand are coaxial. The two positioning rings (300) as well as the two positioning rings (300) and the profiling electrode (100) are all connected through connecting parts. The size of the circumcircles where the centers, on the same plane, of the two positioning rings (300) and the profiling electrode (100) are located is equal to the preset size of an electric furnace electrode circle of an electric-arc furnace. The centers of the two positioning rings (300) can be coincident with electrode holding hands of other two electric-arc furnace cross arms correspondingly. By means of the scheme, the problems that the centering efficiency and the centering precision of an existing electric furnace electrode circle are low can be solved.
Description
Technical field
The present invention relates to metallurgical technology field, particularly relate to a kind of electric furnace pole heart circle alignment auxiliary device.
Background technology
Electric arc furnaces, is called for short electric furnace, is the steelmaking equipment that smelter is conventional.Electric arc furnaces utilizes the electric arc produced that to discharge between electrode and furnace charge to make electric energy change heat energy in arc light, and by arc radiation and the heat energy deposite metal produced and slag, finally smelts iron and steel.As the core component of electric arc furnaces, electrode plays vital effect.In the STEELMAKING PRODUCTION of reality, the restricted lifetime of electrode, therefore needs timely replacing.
The precision that electrode is installed, not only affects the power consumption of electric arc furnaces, electrode life and body water-cooling part service life, also can affect the steel quality that electric arc furnaces is smelted.Therefore, in the process changed electrode, the installation accuracy of electrode is most important.Electric furnace transverse arm pole heart circle, being called for short electric furnace pole heart circle, is one of important design parameter of electric arc furnaces.So-called electric furnace pole heart circle, refers to the imaginary circles D that three electrode positions that electric arc furnaces embraces hand support by the electrode of three transverse arms (transverse arm A, transverse arm B and transverse arm C) are determined, as shown in Figure 1.The error size of electric furnace pole heart circle is directly connected to the installation accuracy of electrode, therefore, how to carry out to the electric furnace pole heart circle guarantee that centering is electrode installation accuracy.
At present, adjust the electric furnace pole heart circle that three transverse arms form error less generally to adopt with the following method: adjust three transverse arms and embrace hand to the electrode moving each transverse arm, and then regulating electrode to embrace the center of hand hole, the electric furnace pole heart circle three electrodes being embraced be formed centrally in hand hole meets technological requirement.In concrete adjustment process, the single transverse arm of general employing adjusts one by one, such as, the electrode position being positioned at centre position is located in the position adjusting the transverse arm B mediated, then by calculating and measuring, the position of adjustment transverse arm A, thus determine the electrode position on transverse arm A; Finally by calculating and measurement, the position of adjustment transverse arm C, thus the electrode position on the transverse arm C of location, finally realize the final centering round to the electric furnace pole heart.After having adjusted the position of each transverse arm, installing electrodes successively, and then the accurate installation completing electrode.
Can be found out by above-mentioned adjustment process, the action need of current centering electric furnace pole heart circle adjusts transverse arm one by one, and needs repeatedly to adjust, and the efficiency of centering is lower, usually consuming time between 3-4 hour.In addition, because the center of electrode cannot accurately be located, can only be adjusted as a reference by the position of electrode relative to body of heater or bell, therefore, the correct error of electric furnace pole heart circle can not get effective control.
Visible, how solving the problem that centering efficiency is lower and centering precision is lower of current electric furnace pole heart circle, is current those skilled in the art technical problems urgently to be resolved hurrily.
Summary of the invention
The present invention discloses a kind of electric furnace pole heart circle alignment auxiliary device, with the problem that the centering efficiency and centering precision that solve current electric furnace pole heart circle are lower.
For solving the problems of the technologies described above, the present invention is following technical scheme openly:
Electric furnace pole heart circle alignment auxiliary device, comprises profiling electrode, two centring rings and connecting portion; Wherein:
Described profiling electrode can be embraced hand with the electrode of electric arc furnaces transverse arm and coordinate, and both center lines are coaxial;
Between two described centring rings and two described centring rings be all connected by described connector with between profiling electrode; Two described centring rings are equal with the pre-set dimension that the electric furnace pole heart of size and electric arc furnaces that described profiling electrode is positioned at the circumscribed circle at the place, center of same plane is justified; The center of two described centring rings can be embraced hand with the electrode of two other transverse arm of described electric arc furnaces and be overlapped respectively.
Preferably, in said apparatus, also comprise fixture; Wherein:
Described fixture detachably can be connected with the described transverse arm that described electric arc furnaces mediates.
Preferably, in said apparatus:
Described fixture is provided with the mounting groove for being set on described transverse arm;
The sidewall of described mounting groove is provided with trip bolt, and described trip bolt is for connecting described fixture and described transverse arm.
Preferably, in said apparatus, described fixture is connected with described profiling electrode by connecting plate.
Preferably, in said apparatus, the top of described profiling electrode has been provided with hanging part.
Preferably, in said apparatus, the density of described profiling electrode is less than the electrode density of described electric arc furnaces.
Preferably, in said apparatus:
Two described centring rings are provided with checkout gear;
Described checkout gear embraces the position of hand for detecting corresponding electrode, and sends to put in place when described electrode embraces the dead in line of the axis of hand and the centring ring at described checkout gear place and indicate.
Preferably, in said apparatus, described connecting portion is sheet connector.
Preferably, in said apparatus:
The thickness of described sheet connector is less than the thickness of described centring ring;
The bottom evagination of described centring ring in the bottom surface of described sheet connector, and for embracing hand location fit with the electrode of corresponding described transverse arm.
Preferably, in said apparatus, described electric furnace pole heart circle alignment auxiliary device is formed in one formula structure.
Electric furnace pole disclosed by the invention heart circle alignment device has following beneficial effect:
In the heart circle alignment auxiliary device of electric furnace pole disclosed by the invention, two centring rings are equal with the pre-set dimension that the arc electrode heart of size and electric arc furnaces that profiling electrode is positioned at the circumscribed circle at the place, center of same plane is justified, after profiling electrode is in place by operating personnel, then the position of two transverse arms is adjusted as benchmark, the electrode of two other transverse arm is made to embrace the center of hand coaxial with two centring rings, arc electrode heart circle can be realized more adequately install, whole electric furnace pole heart circle alignment auxiliary device is equivalent to an adjustment template, with this template for benchmark can regulate three transverse arms of electric arc furnaces more easily.Visible, device disclosed by the invention can improve the centering efficiency of electric furnace pole heart circle.The pre-set dimension being positioned at the electric furnace pole heart circle of the size of the circumscribed circle at the place, center of same plane and electric arc furnaces due to two centring rings and profiling electrode is equal, therefore the arc electrode heart circle precision that the adjustment carried out on this basis finally obtains is higher, visible, device disclosed by the invention can solve the lower problem of the round centering efficiency of the current electric furnace pole heart.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention or background technology, be briefly described to the required accompanying drawing used in embodiment or background technology description below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that three transverse arms of electric arc furnaces form the round schematic diagram of the electric furnace pole heart;
Fig. 2 is the structural representation of electric furnace pole heart circle alignment device disclosed in the embodiment of the present invention;
Fig. 3 is the rearview of Fig. 2;
Fig. 4 is the right view of Fig. 2.
Description of reference numerals:
A-transverse arm, B-transverse arm, C-transverse arm, D-imaginary circles;
100-profiling electrode, 110-play hanging part, 200-sheet connector, 300-centring ring, 400-fixture, 410-mounting groove, 420-trip bolt, 500-connecting plate.
Detailed description of the invention
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Please refer to Fig. 2-4, the embodiment of the present invention discloses a kind of electric furnace pole heart circle alignment auxiliary device.Disclosed device comprises profiling electrode 100, two centring rings 300 and connecting portions.
Wherein, profiling electrode 100 forms according to the electrode shape of electric arc furnaces and size manufacture, and both shapes are identical, and size is equal.Profiling electrode 100 can be embraced hand with the electrode of electric arc furnaces transverse arm and coordinate, and under being in mated condition, both center lines are coaxial.
Disclosed in the present embodiment, electric furnace pole heart circle alignment auxiliary device enters in electric arc furnaces by the mode of lifting, therefore, as the profiling electrode 100 of main body, it can arrange hanging part 110.Usually, playing hanging part 110 is lifting eye or hook.Play the top that hanging part 110 is preferentially arranged on profiling electrode 100.
For the ease of handling, in the present embodiment, the density of profiling electrode 100 is less than the electrode density of electric arc furnaces, to make the quality of whole electric furnace pole heart circle alignment auxiliary device less, is convenient to handling.
Be connected by connector between two centring rings 300; Two centring rings 300 are all connected by connector with between profiling electrode 100.Two centring rings 300 are equal with the pre-set dimension that the electric furnace pole heart of size and electric arc furnaces that profiling electrode 100 is positioned at the circumscribed circle at the place, center of same plane is justified, and the center of two centring rings 300 can be embraced hand with the electrode of two other transverse arm of electric arc furnaces and be overlapped respectively.In such cases, profiling electrode 100 in the heart circle alignment auxiliary device of electric furnace pole and two centring rings 300 are just merely able to the pre-set dimension determining electric furnace pole heart circle, operating personnel can with this servicing unit for foundation, three transverse arms (transverse arm A as shown in Figure 1, transverse arm B and transverse arm C) of adjustment electric arc furnaces.
Disclosed in the embodiment of the present invention, electric furnace pole heart circle alignment auxiliary device can also comprise fixture 400, and the transverse arm B that fixture 400 can mediate with electric arc furnaces is detachably connected.Fixture 400 is connected with profiling electrode 100 by connecting plate 500 usually.After electric furnace pole heart circle alignment auxiliary device is fixing, operating personnel can adjust according to the position of this device to each transverse arm of electric arc furnaces, finally realize electric furnace pole heart circle centering.Certainly, operating personnel can carry out position adjustment by regulating the position of fixture 400 on transverse arm B to whole electric furnace pole heart circle.
A kind of concrete embodiment is: fixture 400 is provided with mounting groove 410, and mounting groove 410, for being set in transverse arm, transverse arm B such as, (is positioned at the centre position of other transverse arm A and transverse arm C).The sidewall of mounting groove 410 is provided with trip bolt 420, and trip bolt 420 is for being connected and fixed device 400 and transverse arm.
Disclosed in the embodiment of the present invention, electric furnace pole heart circle alignment auxiliary device can be formed in one formula structure, such as, can pass through injection mo(u)lding.
The conveniently adjustment of other two transverse arms (such as transverse arm A and transverse arm C), two centring rings 300 all can arrange checkout gear.Checkout gear embraces the position of hand for detecting corresponding electrode, and embraces to send to put in place when hand moves to the dead in line of its axis and centring ring 300 with transverse arm at corresponding electrode and indicate, and then reminds operating personnel.Visible, this can improve the centering efficiency of electric furnace pole heart circle further.
Please refer to Fig. 3 or 4, connecting portion can be sheet connector 200.At connecting portion be sheet connector 200 basis on, the thickness of sheet connector 200 can be less than the thickness of centring ring 300.The bottom evagination of centring ring 300 in the bottom surface of sheet connector 200, and for embracing hand location fit with the electrode of corresponding transverse arm.In such cases, two other transverse arm regulate put in place after, centring ring 300 can be embraced hand with the electrode of transverse arm and locate, so understand two other transverse arm adjustment whether put in place.
Known by introducing above, in electric furnace pole heart circle alignment auxiliary device disclosed in the embodiment of the present invention, two centring rings 300 are equal with the pre-set dimension that the arc electrode heart of size and electric arc furnaces that profiling electrode 100 is positioned at the circumscribed circle at the place, center of same plane is justified, after profiling electrode 100 is in place by operating personnel, then the position of two transverse arms is adjusted as benchmark, the electrode of two other transverse arm is made to embrace the center of hand coaxial with two centring rings 300, arc electrode heart circle can be realized more adequately install, whole electric furnace pole heart circle alignment auxiliary device is equivalent to an adjustment template, with this template for benchmark can regulate three transverse arms of electric arc furnaces more easily.Visible, device disclosed in the embodiment of the present invention can improve the centering efficiency of electric furnace pole heart circle.
Simultaneously, the pre-set dimension being positioned at the electric furnace pole heart circle of the size of the circumscribed circle at the place, center of same plane and electric arc furnaces due to two centring rings 300 and profiling electrode 100 is equal, therefore, the arc electrode heart circle precision that the adjustment carried out on this basis finally obtains is higher, visible, device disclosed in the embodiment of the present invention can solve the lower problem of the round centering efficiency of the current electric furnace pole heart.
Herein, only emphasis describes each preferred version is different from other scheme, each preferred version only otherwise conflict, can be combined, within the category of the embodiment formed after combination also disclosed in this description, considering that text is succinct, just no longer describing separately combining the embodiment formed herein.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. electric furnace pole heart circle alignment auxiliary device, is characterized in that, comprise profiling electrode (100), two centring rings (300) and connecting portion; Wherein:
Described profiling electrode (100) can be embraced hand with the electrode of electric arc furnaces transverse arm and be coordinated, and both center lines are coaxial;
Between two described centring rings (300) and two described centring rings (300) be all connected by described connector with between profiling electrode (100); Two described centring rings (300) are equal with the pre-set dimension that the electric furnace pole heart of size and electric arc furnaces that described profiling electrode (100) is positioned at the circumscribed circle at the place, center of same plane is justified; The center of two described centring rings (300) can be embraced hand with the electrode of two other transverse arm of described electric arc furnaces and be overlapped respectively.
2. device according to claim 1, is characterized in that, also comprises fixture (400); Wherein:
Described fixture (400) detachably can be connected with the described transverse arm that described electric arc furnaces mediates.
3. device according to claim 2, is characterized in that:
Described fixture (400) is provided with the mounting groove (410) for being set on described transverse arm;
The sidewall of described mounting groove (410) is provided with trip bolt (420), and described trip bolt (420) is for connecting described fixture (400) and described transverse arm.
4. device according to claim 3, is characterized in that, described fixture (400) is connected with described profiling electrode (100) by connecting plate (500).
5. device according to claim 1, is characterized in that, the top of described profiling electrode (100) has been provided with hanging part (110).
6. device according to claim 5, is characterized in that, the density of described profiling electrode (100) is less than the electrode density of described electric arc furnaces.
7. device according to claim 1, is characterized in that:
Two described centring rings (300) are provided with checkout gear;
Described checkout gear embraces the position of hand for detecting corresponding electrode, and sends to put in place when described electrode embraces the dead in line of the axis of hand and the centring ring (300) at described checkout gear place and indicate.
8. device according to claim 1, is characterized in that, described connecting portion is sheet connector (200).
9. device according to claim 8, is characterized in that:
The thickness of described sheet connector (200) is less than the thickness of described centring ring (300);
The bottom evagination of described centring ring (300) in the bottom surface of described sheet connector (200), and for embracing hand location fit with the electrode of corresponding described transverse arm.
10. device according to claim 8 or claim 9, is characterized in that, described electric furnace pole heart circle alignment auxiliary device is formed in one formula structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100886.6A CN105571331B (en) | 2016-02-24 | 2016-02-24 | Electric furnace pole heart circle alignment auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100886.6A CN105571331B (en) | 2016-02-24 | 2016-02-24 | Electric furnace pole heart circle alignment auxiliary device |
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| Publication Number | Publication Date |
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| CN105571331A true CN105571331A (en) | 2016-05-11 |
| CN105571331B CN105571331B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610100886.6A Active CN105571331B (en) | 2016-02-24 | 2016-02-24 | Electric furnace pole heart circle alignment auxiliary device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271586A (en) * | 2016-08-30 | 2017-01-04 | 中国冶集团有限公司 | The installation adjusting method of double refining furnace electric-pole horizontal arm collection heart circle |
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| US4400815A (en) * | 1982-01-26 | 1983-08-23 | Owens-Corning Fiberglas Corporation | Electrode aligning apparatus |
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| CN202195793U (en) * | 2011-07-14 | 2012-04-18 | 山西太钢不锈钢股份有限公司 | Three-phase electrode circle center positioning device for electric furnace and ladle refining furnace |
| CN203593779U (en) * | 2013-12-13 | 2014-05-14 | 武汉钢铁(集团)公司 | Quick welding and positioning device for self fluxing of electro-slag remelting furnace dummy electrode in consumable electrode |
| CN205607163U (en) * | 2016-02-24 | 2016-09-28 | 莱芜钢铁集团有限公司 | Electric stove utmost point heart circle alignment auxiliary device |
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2016
- 2016-02-24 CN CN201610100886.6A patent/CN105571331B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400815A (en) * | 1982-01-26 | 1983-08-23 | Owens-Corning Fiberglas Corporation | Electrode aligning apparatus |
| CN2394177Y (en) * | 1999-08-30 | 2000-08-30 | 杨志英 | Positioner for separate electrode |
| CN102362138A (en) * | 2009-03-25 | 2012-02-22 | 特诺恩股份公司 | Apparatus for measuring the position of the electrodes in electric furnace |
| CN202195793U (en) * | 2011-07-14 | 2012-04-18 | 山西太钢不锈钢股份有限公司 | Three-phase electrode circle center positioning device for electric furnace and ladle refining furnace |
| CN203593779U (en) * | 2013-12-13 | 2014-05-14 | 武汉钢铁(集团)公司 | Quick welding and positioning device for self fluxing of electro-slag remelting furnace dummy electrode in consumable electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271586A (en) * | 2016-08-30 | 2017-01-04 | 中国冶集团有限公司 | The installation adjusting method of double refining furnace electric-pole horizontal arm collection heart circle |
| CN106271586B (en) * | 2016-08-30 | 2018-06-19 | 中国一冶集团有限公司 | The installation adjusting method of double-station refining furnace electric-pole horizontal arm pole heart circle |
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| CN105571331B (en) | 2017-12-12 |
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