CN201598321U - Conductively-connection device for electroslag remelting furnace - Google Patents

Conductively-connection device for electroslag remelting furnace Download PDF

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Publication number
CN201598321U
CN201598321U CN2010201885917U CN201020188591U CN201598321U CN 201598321 U CN201598321 U CN 201598321U CN 2010201885917 U CN2010201885917 U CN 2010201885917U CN 201020188591 U CN201020188591 U CN 201020188591U CN 201598321 U CN201598321 U CN 201598321U
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CN
China
Prior art keywords
electroslag remelting
piston
connection block
cylinder body
leg
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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 - Lifetime
Application number
CN2010201885917U
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Chinese (zh)
Inventor
陈鹰
杜占领
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Inductotherm Shanghai Co Ltd
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Inductotherm Shanghai Co Ltd
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Priority to CN2010201885917U priority Critical patent/CN201598321U/en
Application granted granted Critical
Publication of CN201598321U publication Critical patent/CN201598321U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a conductively-connection device for an electroslag remelting furnace. The electroslag remelting furnace includes an upper furnace 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 connection seat; and the copper pin is axially embedded into a copper sleeve which is disposed into a cavity of the connection seat. The conductively-connection device includes a T-shaped connection contact block and an oil cylinder, wherein the oil cylinder comprises a cylinder body connected with the external surface of the connection seat and a base which is connected at the top end of the cylinder body and provided with a rubber tube, and a piston which radially moves relative to the lower furnace leg and along the internal wall of the cylinder body and a piston rod which is vertically connected with the bottom of the piston are arranged inside the cylinder body. The conductively-connection device fundamentally avoids smelting defects and equipment damage caused by insufficient conductively-connection between the upper furnace leg and the lower furnace leg, has compact and reasonable structure, safety and reliability, convenient control and operation, and high utility value.

Description

A kind of conductive connecting device that is used for electroslag remelting furnace
Technical field
The utility model relates to metallurgical industry field, relates 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.
The utility model content
In order to solve the problem that above-mentioned prior art exists, the utility model 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 described in the utility model, 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 utility model 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.The utility model compact construction 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 utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is 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 utility modelly 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 utility model 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 utlity model has 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 utility model in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the utility model according to the above description.Thereby some details among the embodiment should not constitute qualification of the present utility model, and the scope that the utility model will define with appended claims is as protection domain of the present utility model.

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.
CN2010201885917U 2010-05-13 2010-05-13 Conductively-connection device for electroslag remelting furnace Expired - Lifetime CN201598321U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201885917U CN201598321U (en) 2010-05-13 2010-05-13 Conductively-connection device for electroslag remelting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201885917U CN201598321U (en) 2010-05-13 2010-05-13 Conductively-connection device for electroslag remelting furnace

Publications (1)

Publication Number Publication Date
CN201598321U true CN201598321U (en) 2010-10-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101818257B (en) * 2010-05-13 2011-08-03 应达工业(上海)有限公司 Conductive connecting device for electroslag refining furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101818257B (en) * 2010-05-13 2011-08-03 应达工业(上海)有限公司 Conductive connecting device for electroslag refining furnace

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101006

Effective date of abandoning: 20111207