CN109462908B - Stable electrode holder - Google Patents
Stable electrode holder Download PDFInfo
- Publication number
- CN109462908B CN109462908B CN201811501520.5A CN201811501520A CN109462908B CN 109462908 B CN109462908 B CN 109462908B CN 201811501520 A CN201811501520 A CN 201811501520A CN 109462908 B CN109462908 B CN 109462908B
- Authority
- CN
- China
- Prior art keywords
- arc
- double
- screw rod
- chuck
- chuck body
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims description 18
- 235000014676 Phragmites communis Nutrition 0.000 claims description 5
- 238000009628 steelmaking Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009845 electric arc furnace steelmaking Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
- H05B7/103—Mountings, supports or terminals with jaws
- H05B7/105—Mountings, supports or terminals with jaws comprising more than two jaws equally spaced along circumference, e.g. ring holders
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/12—Arrangements for cooling, sealing or protecting electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
Abstract
The invention relates to the technical field of steelmaking furnaces and discloses a stable electrode holder which comprises two chuck bodies, wherein the chuck bodies are of arc structures, one ends of the chuck bodies are provided with rotary joints, a rotating shaft is arranged in each rotary joint, and one ends of the two chuck bodies are rotationally connected through the rotating shaft; the other end of chuck body extends and forms the lug, the lug on be equipped with the screw hole, be equipped with the double-end screw rod between two lugs, be equipped with two sections screw threads that revolve opposite directions on the double-end screw rod, two sections screw threads respectively with the screw hole threaded connection on two lugs, the middle part of double-end screw rod is fixed with spanner joint seat, the both ends of double-end screw rod all are equipped with the spacing ring. The invention has the advantages of stable and reliable connection, no damage to the electrode and convenient disassembly and installation.
Description
Technical Field
The invention relates to the technical field of steelmaking furnaces, in particular to a stable electrode holder.
Background
At present, an electric arc steelmaking furnace is generally adopted for steelmaking, the electric arc furnace steelmaking is a steelmaking method for heating furnace burden by utilizing the thermal effect of electric arcs, alternating current is input into the furnace through a plurality of graphite electrodes, electric arcs are generated between the lower ends of the electrodes and metal materials, and the furnace burden is directly heated by utilizing the high temperature of the electric arcs, so that the steelmaking process is carried out. The graphite electrode needs to be clamped and positioned through the clamping head, the graphite electrode needs to be replaced regularly, the electrode is usually positioned by adopting an electrode sleeve at present, namely, a copper sleeve in interference fit with the electrode is adopted, the upper end of the electrode is inserted into the copper sleeve, then a wedge-shaped plug is arranged at a gap between the copper sleeve and the copper sleeve, and the wedge-shaped plug is beaten by a hammer, so that the copper sleeve and the electrode are tightly expanded and positioned by the wedge-shaped plug, and the electrode is naturally taken out after the wedge-shaped plug is taken out by a tool during disassembly. However, the graphite electrode is brittle, the electrode is easy to be damaged when the hammer strikes the wedge-shaped plug, the contact surface between the electrode sleeve and the electrode is small, the contact resistance is large, the conductivity is not facilitated, and the overall connection stability is poor.
Disclosure of Invention
The invention aims to solve the problems of the electrode sleeve in the prior art and provides the stable electrode holder which is stable in connection, convenient to detach and free from damaging an electrode.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The stable electrode holder comprises two chuck bodies, wherein the chuck bodies are of arc structures, one ends of the two chuck bodies are provided with rotary joints, a rotating shaft is arranged in each rotary joint, and one ends of the two chuck bodies are rotationally connected through the rotating shaft; the other end of chuck body extends and forms the lug, the lug on be equipped with the screw hole, be equipped with the double-end screw rod between two lugs, be equipped with two sections screw threads that revolve opposite directions on the double-end screw rod, two sections screw threads respectively with the screw hole threaded connection on two lugs, the middle part of double-end screw rod is fixed with spanner joint seat, the both ends of double-end screw rod all are equipped with the spacing ring. Through spanner card on spanner joint seat, spanner rotates and drives double-end screw rod and rotate for two lugs outwards remove a section distance in step, and the hole grow between two chuck bodies this moment, and in the one end of electrode stretched into the hole, then through spanner reverse rotation double-end screw rod, two lugs are close gradually, and two chuck bodies hug tightly the electrode, thereby fix the electrode, and the chuck body is big with the contact surface of electrode, and the centre gripping is stable, and electrode change is also very convenient moreover, can not destroy the electrode.
Preferably, a pre-tightening reed is arranged at the part of the double-end screw rod between the wrench clamping seat and the lug. After the two chuck bodies hold the electrodes tightly, the pre-tightening reed plays a good pre-tightening role, the electrodes are prevented from loosening, and the connection is more stable and reliable.
Preferably, two arc-shaped grooves are formed in the inner arc-shaped surface of the chuck body, arc-shaped conductive sheets are arranged in each arc-shaped groove, the arc-shaped conductive sheets are connected with the bottoms of the arc-shaped grooves through bolts, and the inner arc-shaped surface of each arc-shaped conductive sheet is higher than the inner arc-shaped surface of the chuck body. After the chuck body holds the electrode tightly, the intrados of the arc conducting strip contacts and supports the electrode, so that the accuracy requirement of the inner wall of the chuck body is reduced, and stable electric connection between the electrode and the outside is ensured.
Preferably, a corrugated cooling pipe is arranged between the two arc-shaped conducting plates on the inner cambered surface of the chuck body, a long slot hole is formed in one end, close to the rotary joint, of the chuck body, two ends of the corrugated cooling pipe penetrate through the long slot hole and extend out of the chuck body, and pipe joints are arranged at two ends of the corrugated cooling pipe. The pipe joint is connected with an external liquid cooling heat dissipation system, and cooling water enters the corrugated cooling pipe to timely take away heat of the electrode, so that the electrode is prevented from being oxidized at high temperature, and the service life of the electrode is prolonged; and the corrugated cooling pipe is directly arranged on the inner wall of the chuck body, so that the structure and the strength of the chuck body are not damaged.
Preferably, a plurality of positioning pressing sheets are arranged on the outer side of the corrugated cooling pipe, and the positioning pressing sheets are connected with the chuck body through bolts. The corrugated cooling pipe is positioned by the positioning pressing sheet.
Therefore, the invention has the advantages of stable and reliable connection, no damage to the electrode and convenient disassembly and installation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the two collet bodies in an expanded state.
Fig. 3 is a partially enlarged schematic view of fig. 2 at a.
Fig. 4 is a schematic view of the usage state of the present invention.
In the figure: the clamping head comprises a clamping head body 1, a rotary joint 2, a rotary shaft 3, lugs 4, threaded holes 5, a double-headed screw 6, a spanner clamping seat 7, a limiting ring 8, a pre-tightening reed 9, an arc-shaped groove 10, an arc-shaped conducting plate 11, a corrugated cooling pipe 12, a long slot hole 13, a pipe joint 14, a positioning pressing piece 15, a connecting arm 16 and an electrode 17.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
The utility model provides a stable electrode holder as shown in fig. 1 and fig. 2, including two chuck bodies 1, the chuck body is the arc structure, the one end of two chuck bodies 1 all is equipped with the rotation joint 2, be equipped with pivot 3 in the rotation joint, the one end of two chuck bodies is rotated through the pivot and is connected, the other end of chuck body extends and forms tab 4, rotate and connect, tab and chuck body structure as an organic whole, be equipped with screw hole 5 on the tab, be equipped with double-end screw rod 6 between two tabs, be equipped with two sections screw threads opposite to screwing direction on the double-end screw rod, two sections screw threads respectively with the screw hole threaded connection on two tabs, the middle part of double-end screw rod is fixed with spanner joint seat 7, the both ends of double-end screw rod all are equipped with spacing ring 8, be located spanner joint seat and the position between the tab on the double-end screw rod is equipped with pretension reed 9.
As shown in fig. 2 and 3, two arc-shaped grooves 10 are arranged on the inner cambered surface of the chuck body 1, each arc-shaped groove is internally provided with an arc-shaped conductive sheet 11, the arc-shaped conductive sheets are connected with the bottoms of the arc-shaped grooves through bolts, and the inner cambered surface of the arc-shaped conductive sheet is higher than the inner cambered surface of the chuck body; a corrugated cooling pipe 12 is arranged between the two arc-shaped conducting plates on the inner cambered surface of the chuck body 1, a long slot 13 is arranged at one end of the chuck body close to the rotary joint, two ends of the corrugated cooling pipe penetrate through the long slot and extend out of the chuck body, and pipe joints 14 are arranged at two ends of the corrugated cooling pipe; the outside of the corrugated cooling pipe is provided with a plurality of positioning pressing pieces 15, and the positioning pressing pieces are connected with the chuck body through bolts.
The principle of the invention is as follows, in combination with the accompanying drawings: as shown in fig. 4, when in use, the connecting arm 16 is connected with one side of one chuck body through a bolt, the stud is rotated by the spanner, so that one end of the chuck body is opened, then the electrode 17 is inserted into the hole, and then the stud is reversely rotated by the spanner, so that the two chuck bodies tightly hold and position the electrode, the electrode is very convenient to install and detach, and the electrode cannot be damaged; after the electrode is held tightly, the inner wall of the arc-shaped conducting strip is in close contact with the electrode, the pipe joint is connected with an external liquid cooling system, and the cooling medium cools the electrode, so that the electrode is prevented from being heated and oxidized, and the service life of the electrode is prolonged.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present invention.
Claims (2)
1. The stable electrode holder is characterized by comprising two chuck bodies, wherein the chuck bodies are of arc structures, one ends of the two chuck bodies are respectively provided with a rotary joint, a rotary shaft is arranged in the rotary joint, one ends of the two chuck bodies are rotationally connected through the rotary shaft, the other ends of the chuck bodies extend to form lugs, threaded holes are formed in the lugs, a double-head screw rod is arranged between the two lugs, two sections of threads with opposite rotation directions are formed in the double-head screw rod, the two sections of threads are respectively in threaded connection with the threaded holes in the two lugs, a spanner clamping seat is fixed at the middle part of the double-head screw rod, and limiting rings are arranged at the two ends of the double-head screw rod;
Two arc-shaped grooves are formed in the inner cambered surface of the chuck body, arc-shaped conductive sheets are arranged in each arc-shaped groove, the arc-shaped conductive sheets are connected with the bottoms of the arc-shaped grooves through bolts, and the inner cambered surface of each arc-shaped conductive sheet is higher than the inner cambered surface of the chuck body;
A corrugated cooling pipe is arranged between the two arc-shaped conducting plates on the inner cambered surface of the chuck body, a long slot hole is formed in one end, close to the rotary joint, of the chuck body, two ends of the corrugated cooling pipe penetrate through the long slot hole and extend out of the chuck body, and pipe joints are arranged at two ends of the corrugated cooling pipe;
the part of the double-end screw rod, which is positioned between the spanner clamping seat and the lug, is provided with a pre-tightening reed.
2. The stable electrode holder according to claim 1, wherein a plurality of positioning press pieces are arranged on the outer side of the corrugated cooling tube, and the positioning press pieces are connected with the chuck body through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501520.5A CN109462908B (en) | 2018-12-10 | 2018-12-10 | Stable electrode holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501520.5A CN109462908B (en) | 2018-12-10 | 2018-12-10 | Stable electrode holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109462908A CN109462908A (en) | 2019-03-12 |
| CN109462908B true CN109462908B (en) | 2024-04-19 |
Family
ID=65612843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811501520.5A Active CN109462908B (en) | 2018-12-10 | 2018-12-10 | Stable electrode holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462908B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB264157A (en) * | 1926-01-07 | 1927-05-12 | Bbc Brown Boveri & Cie | Improvements in electrode carriers for electric furnaces |
| GB520319A (en) * | 1939-01-10 | 1940-04-19 | William Harvey Payne | Clamping mechanism for electric arc furnace electrodes |
| US4653066A (en) * | 1984-04-11 | 1987-03-24 | Dixie Arc, Inc. | Electrode holder assembly and electrode clamp for electric arc furnaces |
| CN88202223U (en) * | 1988-03-22 | 1988-12-21 | 刘尚仁 | Electrode feeding device for mining heating furnace |
| CN2203438Y (en) * | 1994-03-17 | 1995-07-12 | 荣方园 | Electrode elastic electricity-saving device for ore furnace |
| CN2731898Y (en) * | 2004-09-28 | 2005-10-05 | 贵阳铝镁设计研究院 | Electrode holder |
| CN101932152A (en) * | 2010-03-05 | 2010-12-29 | 永兴特种不锈钢股份有限公司 | Electrode jaw for arc furnace |
| CN102378428A (en) * | 2010-08-26 | 2012-03-14 | 沈阳铝镁设计研究院有限公司 | Electrode clamping device |
| CN202206585U (en) * | 2011-09-14 | 2012-04-25 | 灵宝市华宝产业有限责任公司 | Hydraulic electrode clamping device |
| CN203807533U (en) * | 2014-04-28 | 2014-09-03 | 重庆钢铁(集团)有限责任公司 | Arched electrode clamping part structure of electroslag smelting electrode clamp |
| CN105357792A (en) * | 2015-12-09 | 2016-02-24 | 攀枝花市朵实机械制造有限公司 | Electric arc furnace electrode clamping device |
| CN206686392U (en) * | 2017-04-26 | 2017-11-28 | 江苏天楹环保能源成套设备有限公司 | A kind of grasping device |
| CN207643173U (en) * | 2017-11-30 | 2018-07-24 | 浙江机电职业技术学院 | A kind of stable type robot manipulator structure |
| CN209448924U (en) * | 2018-12-10 | 2019-09-27 | 浙江机电职业技术学院 | A kind of electrode jaw structure |
-
2018
- 2018-12-10 CN CN201811501520.5A patent/CN109462908B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB264157A (en) * | 1926-01-07 | 1927-05-12 | Bbc Brown Boveri & Cie | Improvements in electrode carriers for electric furnaces |
| GB520319A (en) * | 1939-01-10 | 1940-04-19 | William Harvey Payne | Clamping mechanism for electric arc furnace electrodes |
| US4653066A (en) * | 1984-04-11 | 1987-03-24 | Dixie Arc, Inc. | Electrode holder assembly and electrode clamp for electric arc furnaces |
| CN88202223U (en) * | 1988-03-22 | 1988-12-21 | 刘尚仁 | Electrode feeding device for mining heating furnace |
| CN2203438Y (en) * | 1994-03-17 | 1995-07-12 | 荣方园 | Electrode elastic electricity-saving device for ore furnace |
| CN2731898Y (en) * | 2004-09-28 | 2005-10-05 | 贵阳铝镁设计研究院 | Electrode holder |
| CN101932152A (en) * | 2010-03-05 | 2010-12-29 | 永兴特种不锈钢股份有限公司 | Electrode jaw for arc furnace |
| CN102378428A (en) * | 2010-08-26 | 2012-03-14 | 沈阳铝镁设计研究院有限公司 | Electrode clamping device |
| CN202206585U (en) * | 2011-09-14 | 2012-04-25 | 灵宝市华宝产业有限责任公司 | Hydraulic electrode clamping device |
| CN203807533U (en) * | 2014-04-28 | 2014-09-03 | 重庆钢铁(集团)有限责任公司 | Arched electrode clamping part structure of electroslag smelting electrode clamp |
| CN105357792A (en) * | 2015-12-09 | 2016-02-24 | 攀枝花市朵实机械制造有限公司 | Electric arc furnace electrode clamping device |
| CN206686392U (en) * | 2017-04-26 | 2017-11-28 | 江苏天楹环保能源成套设备有限公司 | A kind of grasping device |
| CN207643173U (en) * | 2017-11-30 | 2018-07-24 | 浙江机电职业技术学院 | A kind of stable type robot manipulator structure |
| CN209448924U (en) * | 2018-12-10 | 2019-09-27 | 浙江机电职业技术学院 | A kind of electrode jaw structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109462908A (en) | 2019-03-12 |
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