CN101818257B - Conductive connecting device for electroslag refining furnace - Google Patents
Conductive connecting device for electroslag refining furnace Download PDFInfo
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- CN101818257B CN101818257B CN2010101711981A CN201010171198A CN101818257B CN 101818257 B CN101818257 B CN 101818257B CN 2010101711981 A CN2010101711981 A CN 2010101711981A CN 201010171198 A CN201010171198 A CN 201010171198A CN 101818257 B CN101818257 B CN 101818257B
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- Prior art keywords
- connecting device
- conductive connecting
- piston
- connection block
- cylinder body
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- 238000007670 refining Methods 0.000 title abstract 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a conductive connecting device for an electroslag refining furnace. The electroslag refining furnace comprises an upper surface leg and a lower furnace leg, wherein one end of the upper furnace leg is connected with a copper pin; one end of the lower furnace leg is fixedly connected with a semi-open connecting base; and a copper sleeve in which the copper pin is axially embedded is arranged in an inner cavity of the connecting base. The conductive connecting device comprises a T-shaped contact block and an oil cylinder, wherein the oil cylinder comprises a cylinder body connected with the outer surface of the connecting base and a bottom base which is connected with the top end of the cylinder body and has a rubber tube; and a piston radially moving along the inner wall of the cylinder body and relative to the lower furnace leg and a piston rod vertically connected with the bottom surface of the piston are arranged in the cylinder body. The conductive connecting device for the electroslag refining furnace radically avoids the phenomenon that the incomplete conductive connection between the upper and lower furnace legs leads to smelting defects and equipment damages; besides, the conductive connecting device for the electroslag refining furnace has a compact and rational structure and a novel and attractive appearance, is safe, reliable and easy to control and operate and has a considerable practical value.
Description
Technical field
The present invention relates to metallurgical industry field, relate in particular to a kind of conductive connecting device that is applicable to the electroslag remelting furnace of various capacity.
Background technology
At present, flourish along with Iron And Steel Industry, metallurgical equipment is also making rapid progress, particularly in special steel grade field of smelting, mechanical property requirements to ferrous materials is quite harsh, and these materials usually are applied to aerospace, most advanced and sophisticated hi-tech industries such as satellite aerospace.Our performance and structure of removing to concentrate on studies electroslag remelting furnace for this reason from all angles such as human engineering, energy consumption engineering, level of automation.
Electroslag remelting furnace is one of important production unit of special steel industry smelting, be that a kind of melting current that utilizes produces the consumable electrode that slag bath is inserted in the heat energy fusing, after metal drop is cleaned via electroslag liquid, in water mold, progressively crystallize into the secondary smelting equipment of steel ingot; The current conduction Controlling System then is the key link that material obtains the melting energy in the melting process, decisive role is played in mechanical property and metallographic structure to steel ingot, also is the important technology parameter that iron and steel computer control system in fusion process obtains feedback signal.For the last stove leg that guarantees electroslag remelting furnace and following stove leg contact carrying out smoothly of the reliable and melting of conduction, then need to adopt a kind of conductive connecting device that is arranged between the upper and lower stove leg of electroslag remelting furnace.
In the prior art, the conductive connecting device of the upper and lower stove leg of electroslag remelting furnace adopts full hydraulic mechanism or various mechanical type mechanism etc. usually.If adopt the full hydraulic mechanism design, though can satisfy effect steady and that clamp, but cause the clamp mechanism complex structure, spatial volume is huge, and maintenance difficulties increases, and seal request is higher, peripheral pipeline increases or the like situation, cause in actually operating, the problem that can occur more continually causes because of above-mentioned situation, thus influenced smelting efficient.If though the various mechanical type of employing mechanism equally also can satisfy the clamping effect, such as cam biasing hold-down mechanism, eccentric mechanism or the like, but the mostly unavoidable complex structure of these mechanical type mechanisms, volume is big, the locus disperses, the mechanism kinematic quick abrasion, operation precision descends thereupon, and the operational requirement difficulty is also increased, therefore, be difficult to realize the requirement of automatization control smelting.Under the existing situation,, realize that automatization control has been the weathervane of smelting equipment engineering along with the quickening of the up-to-dateness paces of metallurgical industry.Under the abominable relatively operating mode of Iron And Steel Industry (as the temperature height, dust is big etc.), reduce the preceding operational risk of Manual machine as far as possible, adopt the central controlled smelting mode of automatization, realize information acquisition and intelligent the feedback by computer remote Controlling System and transmitter.Must satisfy the demand of Iron And Steel Industry to this project planner, be devoted to the improvement and the exploitation of equipment, so far, press for when the design electroslag remelting furnace, existing conductive connecting device is improved.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, the present invention aims to provide a kind of novel conductive connecting device that is used for electroslag remelting furnace, with abundantization that realizes conductivity degree between the upper and lower stove leg of electroslag remelting furnace and the reliability that connects of conducting electricity, thereby the automatization that realizes the electroslag remelting furnace mechanical system is controlled.
A kind of conductive connecting device that is used for electroslag remelting furnace of the present invention, described electroslag remelting furnace comprises stove leg and following stove leg, a described end of going up the stove leg connects a bronze medal pin, the described Connection Block of the fixedly connected half opening of an end of stove leg down, this Connection Block inner chamber is provided with a copper sheathing of axially setting described copper pin, described conductive connecting device comprises a T type contact block and an oil cylinder
Described oil cylinder comprises the cylinder body that is connected described Connection Block outside surface and is connected the vertical base that has sebific duct of this cylinder body, and described cylinder interior is provided with one along inboard wall of cylinder block and vertically be connected the piston rod of this piston bottom surface with respect to the piston and that stove leg down moves radially;
Described upper cover of piston rod is established a spring between described piston bottom surface and Connection Block outside surface, described Connection Block outside surface is provided with a through hole that is through to described copper sheathing inner chamber, the bottom of described piston rod is embedded in this through hole, and the bottom surface of this piston rod is provided with a groove of setting the vertical portion of described T type contact block.
At the above-mentioned conductive connecting device that is used for electroslag remelting furnace, the opening end of described Connection Block connects a supported flange by bolt, and is provided with the adjustment pad between the end face of this supported flange and Connection Block opening end.
At the above-mentioned conductive connecting device that is used for electroslag remelting furnace, be respectively equipped with sealing-ring between the base of described oil cylinder and the junction of cylinder body and described piston and the inboard wall of cylinder block.
Owing to adopted above-mentioned technical solution, the present invention acts on the contact block by oil cylinder hydraulic, stove leg copper pin is closely contacted with following stove leg copper sheathing, promptly effectively eliminated the monolateral gap of last stove leg and the assembling of following stove leg, thereby reliability that its conduction is connected strengthens greatly.Compact construction of the present invention is reasonable, and modern design is attractive in appearance, and effect is remarkable in actual industrial production, and is safe and reliable, is convenient to control and operation, and the client feeds back well, has suitable practical value.
Description of drawings
Fig. 1 is a kind of scheme of installation that is used for the conductive connecting device of electroslag remelting furnace of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As shown in Figure 1, electroslag remelting furnace comprises stove leg 12 and following stove leg 1, wherein, one end of last stove leg 12 connects a bronze medal pin 16, one end of following stove leg 1 welds the Connection Block 17 of a half opening, these Connection Block 17 inner chambers are provided with the copper sheathing 18 that can axially set copper pin 16, and the opening end of Connection Block 17 connects a supported flange 14 by holding bolt 13, and are provided with adjustment pad 15 between the end face of this supported flange 14 and Connection Block 17 opening ends.
Of the present inventionly be used to connect stove leg 12 and following stove leg 1, even copper pin 16 comprises a T type contact block 19 and an oil cylinder with the copper sheathing 18 reliable conductive connecting devices that are connected, wherein,
Oil cylinder comprises cylinder body 8 and is connected this cylinder body 8 vertical bases 6 that have sebific duct and joint 4, base 6 is provided with an O RunddichtringO 7 with the junction of cylinder body 8, passes the outside surface that base 6 and cylinder body 8 wall thickness are fixed on cylinder body 8 Connection Block 17 by bolt and packing ring 5;
Cylinder body 8 inside are provided with a piston 3 that moves radially along cylinder body 8 inwalls and with respect to following stove leg 1 and and vertically are connected the piston rod 2 of these piston 3 bottom surfaces by joint bolt 10, be provided with GT sealing-ring 9 between piston 3 and cylinder body 8 inwalls, Connection Block 17 outside surfaces are provided with a through hole that is through to copper sheathing 18 inner chambers, and the bottom of piston rod 2 is embedded in this through hole;
Sheathed one spring 11 between piston 3 bottom surfaces and Connection Block 17 outside surfaces on the piston rod 2, the bottom surface of piston rod 2 is provided with a groove of setting the vertical portion of T type contact block 19, after piston rod 2 stretches into through hole, only need downward extrusion spring 11, the horizontal part of T type contact block 19 is contacted, until compressing copper sheathing 18 with copper pin 16 outside surfaces.
What conductive connecting device of the present invention adopted is that the fluid pressure type clamping separates the manner of execution that combines with mechanical type; Specifically, when this device working order, make stove leg 12 earlier, descend stove leg 1 in place, copper pin 16 that to go up stove leg 12 stretches into down in the copper sheathing 18 of stove leg 1, and the unidirectional hydraulic ram in the starter gear then is by the downward pushing piston 3 of fluid power effect, thereby driving T type contact block 19 presses down, copper pin 16 is fully contacted with the inwall of copper sheathing 18, thereby make big electric current unimpeded, with normally carrying out of guaranteeing to smelt; Finish in smelting after (or station conversion), unidirectional hydraulic ram emptying, then under the effect of spring 11 preliminary tensions, piston 3 sets back, and T type contact block 19 is separated from each other with copper pin 16, promptly removes the pressure that T type contact block 19 is applied to copper pin 16 outside surfaces, thereby make between copper pin 16 and the copper sheathing 18 and form the gap, formation open circuit between last stove leg 12 and the following stove leg 1 is smelted and finish this moment, and last stove leg 12, following stove leg 1 can freely separate.
In sum, the present invention have compact construction, volume moderate, operate steadily, the action response sensitivity, connect plurality of advantages such as reliable, easy to maintenance, with low cost, fundamentally avoided because the upper and lower stove leg conduction insufficient melting defective that produces of connection and the phenomenon of structure deteriorate.
Below embodiment has been described in detail the present invention in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (3)
1. conductive connecting device that is used for electroslag remelting furnace, described electroslag remelting furnace comprises stove leg and following stove leg, a described end of going up the stove leg connects a bronze medal pin, the described Connection Block of the fixedly connected half opening of an end of stove leg down, this Connection Block inner chamber is provided with a copper sheathing of axially setting described copper pin, it is characterized in that described conductive connecting device comprises a T type contact block and an oil cylinder
Described oil cylinder comprises the cylinder body that is connected described Connection Block outside surface and is connected the vertical base that has sebific duct of this cylinder body, and described cylinder interior is provided with one along inboard wall of cylinder block and vertically be connected the piston rod of this piston bottom surface with respect to the piston and that stove leg down moves radially;
Described upper cover of piston rod is established a spring between described piston bottom surface and Connection Block outside surface, described Connection Block outside surface is provided with a through hole that is through to described copper sheathing inner chamber, the bottom of described piston rod is embedded in this through hole, and the bottom surface of this piston rod is provided with a groove of setting the vertical portion of described T type contact block.
2. the conductive connecting device that is used for electroslag remelting furnace according to claim 1 is characterized in that the opening end of described Connection Block connects a supported flange by bolt, and is provided with the adjustment pad between the end face of this supported flange and Connection Block opening end.
3. the conductive connecting device that is used for electroslag remelting furnace according to claim 1 and 2 is characterized in that, is respectively equipped with sealing-ring between the base of described oil cylinder and the junction of cylinder body and described piston and the inboard wall of cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101711981A CN101818257B (en) | 2010-05-13 | 2010-05-13 | Conductive connecting device for electroslag refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101711981A CN101818257B (en) | 2010-05-13 | 2010-05-13 | Conductive connecting device for electroslag refining furnace |
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| Publication Number | Publication Date |
|---|---|
| CN101818257A CN101818257A (en) | 2010-09-01 |
| CN101818257B true CN101818257B (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101711981A Active CN101818257B (en) | 2010-05-13 | 2010-05-13 | Conductive connecting device for electroslag refining furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105063377B (en) * | 2015-08-10 | 2017-08-18 | 航天海鹰(哈尔滨)钛业有限公司 | A kind of gravity for skull crucible clamps electric installation |
| CN107058754B (en) * | 2017-04-19 | 2018-10-26 | 合智熔炼装备（上海）有限公司 | Electroslag furnace stove leg adapting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3707499A1 (en) * | 1987-03-09 | 1988-09-22 | Siemens Ag | Electroslag-remelting plant |
| EP0727500A1 (en) * | 1995-02-20 | 1996-08-21 | Inteco Internationale Technische Beratung Gesellschaft mbH | Method and installation for producing metal ingots |
| CN1621545A (en) * | 2004-12-24 | 2005-06-01 | 钢铁研究总院 | Device for controlling electric slag remelted atmosphere and method thereof |
| CN201195738Y (en) * | 2008-04-17 | 2009-02-18 | 东北大学 | Pressurization electroslag furnace |
| CN101418374A (en) * | 2008-11-24 | 2009-04-29 | 江阴兴澄特种钢铁有限公司 | Conductive and continuous casting type electroslag remelting furnace for crystallizer |
| CN201598321U (en) * | 2010-05-13 | 2010-10-06 | 应达工业（上海）有限公司 | Conductively-connection device for electroslag remelting furnace |
-
2010
- 2010-05-13 CN CN2010101711981A patent/CN101818257B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3707499A1 (en) * | 1987-03-09 | 1988-09-22 | Siemens Ag | Electroslag-remelting plant |
| EP0727500A1 (en) * | 1995-02-20 | 1996-08-21 | Inteco Internationale Technische Beratung Gesellschaft mbH | Method and installation for producing metal ingots |
| CN1621545A (en) * | 2004-12-24 | 2005-06-01 | 钢铁研究总院 | Device for controlling electric slag remelted atmosphere and method thereof |
| CN201195738Y (en) * | 2008-04-17 | 2009-02-18 | 东北大学 | Pressurization electroslag furnace |
| CN101418374A (en) * | 2008-11-24 | 2009-04-29 | 江阴兴澄特种钢铁有限公司 | Conductive and continuous casting type electroslag remelting furnace for crystallizer |
| CN201598321U (en) * | 2010-05-13 | 2010-10-06 | 应达工业（上海）有限公司 | Conductively-connection device for electroslag remelting furnace |
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| CN101818257A (en) | 2010-09-01 |
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