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JP3904973B2 - Cable connecting device and cable connecting method for continuous casting electromagnetic stirring device - Google Patents
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JP3904973B2 - Cable connecting device and cable connecting method for continuous casting electromagnetic stirring device - Google Patents

Cable connecting device and cable connecting method for continuous casting electromagnetic stirring device Download PDF

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Publication number
JP3904973B2
JP3904973B2 JP2002147280A JP2002147280A JP3904973B2 JP 3904973 B2 JP3904973 B2 JP 3904973B2 JP 2002147280 A JP2002147280 A JP 2002147280A JP 2002147280 A JP2002147280 A JP 2002147280A JP 3904973 B2 JP3904973 B2 JP 3904973B2
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JP
Japan
Prior art keywords
mold
connector
cable
continuous casting
actuator
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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JP2002147280A
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Japanese (ja)
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JP2003346977A (en
Inventor
孝司 石沢
康彰 三浦
広実 原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Nippon Steel Engineering Co Ltd
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Nippon Steel Corp
Nippon Steel Engineering Co Ltd
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Priority to JP2002147280A priority Critical patent/JP3904973B2/en
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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Description

【0001】
【産業上の利用分野】
本発明はモール内に注入された溶鋼を電磁攪拌しながら連続鋳造する連続鋳造設備において、モールドに取り付けられた電磁攪拌装置に電源を供給するためのケーブル接続装置およびその方法に関するものである。
【0002】
【従来の技術】
鋼の連続鋳造において、高品質の鋳片を得るため鋳型内に注入された溶鋼に電磁力を付与し、溶鋼中の非金属介在物やガスを積極的に浮上させ除去することが行われている。この電磁力付与は交流または直流の電磁コイルを鋳型内に設置し、これらに通電することにより行われている。
【0003】
ところで鋼の連続鋳造では、鋳型表面に接して形成される凝固シェルを鋳型から連続的に引き抜いて鋳片とするため、鋳型を常に適正な振幅と周期で上下振動させている。この上下振動の付与は鋳型を振動装置上に固定することにより、振動装置に同期して行われているが、鋳型は整備のため定期的に、あるいは設備トラブル時には交換する必要がある。
【0004】
電磁コイルヘの給電は、機外に設置された電源装置からのケーブルを介して鋳型内電磁コイルに設けた端子に接続して行われる。このため鋳型交換時にはケーブルの脱着が必須となるが、大容量のケーブルであり本数も多いことから狭隘なスペースでの作業は重労働となっていた。
【0005】
また、モールド交換時には、モールド冷却用給排水管の取り外し取り付けも行うので、電源ケーブルの接続部は湿度の高い環境となっている。このため手作業でのケーブル接続には漏電などの危険性を伴っていた。さらに、予定の交換以外にブレイクアウト等の突発トラブルによる交換も発生するため、モールドの交換時間を最小限に押さえたいという要望があった。
【0006】
連続鋳造設備におけるケーブルの接続装置として、特公平07−087107号公報にタンディッシュ内溶鋼を加熱するために用いられるプラズマトーチや誘導加熱用の接続装置が開示され、特開平06−154962号公報には、取鍋交換装置におけるケーブルの回転接続構造が開示されている。
【0007】
【発明が解決しようとする課題】
そこで本発明が解決しようとする課題は、続鋳造設備のモールドに取り付けられた電磁攪拌装置に通電するための電源接続を自動化することにより、鋳型交換時間を大幅に短縮すると共に、高湿度環境での漏電などの危険性を回避し、重いケーブルコネクタを扱う重労働から開放することである。
【0008】
【課題を解決するための手段】
上記課題を解決すめために本発明は、(1)モールド側コネクタをケーブル接続装置を介して鋳型固定フレームに連結し、機外側コネクタを機外側コネクタ支持装置を介して振動テーブルに連結する、鋳型内に電磁コイルを備えた連続鋳造設備に電源を供給するケーブルの接続装置において、モールド側コネクタ上下・接続用メカニカルロック機構付きアクチュエータと、該アクチュエータ先端ロッドを収納する芯ズレ吸収装置と、バネ収納ケース内に収納するバネを装着したガイドロッドと、機外側コネクタ側の該ガイドロッドを嵌入するガイド孔とを鋳型固定フレームの鋳型側のスペースに鉛直方向一直線上に設けたことを特徴とする連続鋳造設備における電磁攪拌装置のケーブル接続装置である。
【0010】
また、()モールド側コネクタをケーブル接続装置を介して鋳型固定フレームに連結し、機外側コネクタを機外側コネクタ支持装置を介して振動テーブルに連結する、鋳型内に電磁コイルを備えた連続鋳造設備に電源を供給するケーブルの接続方法において、モールド側コネクタ上下・接続用メカニカルロック機構付きアクチュエータと、該アクチュエータ先端ロッドを収納する芯ズレ吸収装置と、バネ収納ケース内に収納するバネを装着したガイドロッドと、機外側コネクタ側の該ガイドロッドを嵌入するガイド孔とを鋳型固定フレームの鋳型側のスペースに鉛直方向一直線上に設けるケーブル接続装置を作動させて、モールド側コネクタと機外側コネクタと接続することを特徴とする連続鋳造設備における電磁攪拌装置のケーブル接続方法である。
【0011】
【実施例】
図1〜4を用いて本発明の実施例を説明する。
図1は本発明を装着した連続鋳造設備の全体平面図。図2は図1のA−A断面図。図3は本発明のケーブル接続装置の全体構成図。図4は本発明のケーブル接続装置の説明するための一実施例。
【0012】
図1および図2において、連鋳鋳型は長辺冷却箱3及び長辺側銅板9と短辺冷却箱4および短辺銅板10と、クランプ装置6と鋳型固定フレーム2とにより構成され、この鋳型に溶鋼5が注入される。20は電磁コイルであり、電磁コイルの端子24と鋳型固定フレーム2に連結されたケーブル接続装置17内のモールド側コネクタ11とがケーブル7によって接続されている。
【0013】
図2において、モールド側コネクタ11は鋳型固定フレーム2に回転自由に固定された接続用アクチュエータ16を介して支持される。他方、機外側コネクタ12は、機外側コネクタ支持装置15によって振動テーブル18に固定・支持される。そして、機外側コネクタ12には機外よりケーブルで電源が供給される。
【0014】
図3にて本発明によるケーブル接続装置の装置構成を説明する。
電磁コイルのケーブルを集合接続した鋳型側コネクタ11は接続用アクチュエータ16、芯ズレ吸収装置21、バネ収納ケース22を介して鋳型固定フレームに支持される。接続用アクチュエータ16は、必要な力を発生させることができれば、方式は問わない。但し、設置スペースの点からは油圧式が好ましいが、アクチュエータのロックが鋳造中は常時機能させる必要があることから、油圧カではなくメカニカルな方式のロック機構、たとえばベアロックシリンダー等を用いることが好ましい。
【0015】
芯ズレ吸収装置21は、モールド側コネクタ11と機外側コネクタ12の相対位置にズレが発生した場合の芯あわせのためであり、ガイドロッド14がガイド孔13に挿入される際に水平面上で追随可能なようにしている。
図4にて説明する。
本発明において、モールド側コネクタ11にはアクチュエータ16の先端ロッドが芯ズレ吸収装置21に水平方向に移動可能なように連結されている。この芯ズレ吸収装置21によりモールド側コネクタ11と機外側コネクタ12の相対位置のズレを吸収するようになっている。そしてこの芯ズレ吸収装置21にはガイドロッド14が連結しており、このガイドロット14にはバネ23を装着している。そしてこのバネ23はバネ収納ケース22内に収納している。前記機外側コネクタ12にはガイドロッド14が嵌入するガイド孔13を設けている。このガイド孔13は、コネクタ支持装置15が連結され、コネクタ支持装置15は振動テーブル18に連結されている。
【0016】
アクチュエータ16を下降させるとアクチュエータ16の先端ロッドが芯ズレ吸収装置21を押して、下降させ、芯ズレ吸収装置21に連結しているガイドロッド14を下降させて、ガイド孔13に嵌入する。ガド孔13にガイドロッド14を嵌入させることで、コネクタの位置合わせが行われる。モールド側コネクタ11と機外側コネクタ12を接触させて、さらにガイドロッド14を下降させ、バネ収納ケース22内に収納したバネ23に圧縮させる。そして、アクチュエータ16のロック動作によりロックする。これにより、鋳型振動時の両コネクタの面接触力はバネ23の反力により確保可能となり、ガイド嵌入後にガイドロッドとガイド孔をロックする固定装置が不要となる。
【0017】
また、使用環境上の理由から両コネクタの表面をパージするパージノズルを配置するとコネクタ同士の接触が一層、正確に接続することが出来る。
【0018】
【発明の効果】
以上のように、従来の手動でのケーブル接続を一括して自動接続できるようにしたので、続時間が短縮され、漏電等の危険性も発生しない。また、ケーブル接続装置を固体フレームに設置したので、設備もコンパクトになる。また、振動時もモールド側コネクタと機外側コネクタを同時に振動させるので、コネクタの接触面が緩むことがない。また、ケーブル接続装置にはバネを収納しているので、接触圧力を一定に保持し、安定した電源供給が可能である。
【図面の簡単な説明】
【図1】図1は本発明を装着した連続鋳造設備の全体平面図。
【図2】図2は図1のA−A断面図図。
【図3】図3は本発明のケーブル接続装置の全体構成図。
【図4】図4は本発明のケーブル接続装置を説明するための一実施例を示す。
【符号の説明】
1…ビーム
2…鋳型固定フレーム
3…長辺水霜冷却箱
4…短辺冷却箱
5…溶鋼
6…クランプ装置
7…ケーブル
8…幅可変装置
9…長辺銅板
10…短辺銅板
11…モールド側コネクタ
12…機外側コネクタ
13…ガイド孔
14…ガイドロッド
15…機外側コネクタ支持装置
16…接続用アクチュエータ
17…ケーブル接続装置
18…振動テーブル
19…振動装置
20…電磁コイル
21…芯ズレ吸収装置
22…バネ収納ケース
23…バネ
24…端子
[0001]
[Industrial application fields]
The present invention in a continuous casting plant for continuous casting with magnetic stirring molten steel injected into the mall de is related cabling apparatus and method for supplying power to the electromagnetic stirring device attached to the mold.
[0002]
[Prior art]
In continuous casting of steel, electromagnetic force is applied to the molten steel injected into the mold in order to obtain a high quality slab, and nonmetallic inclusions and gases in the molten steel are actively levitated and removed. Yes. This electromagnetic force is applied by installing an AC or DC electromagnetic coil in the mold and energizing them.
[0003]
By the way, in continuous casting of steel, the solidified shell formed in contact with the mold surface is continuously drawn out of the mold to form a cast piece, so that the mold is always vibrated up and down with an appropriate amplitude and period. The application of the vertical vibration is performed in synchronization with the vibration device by fixing the mold on the vibration device. However, the mold needs to be replaced periodically for maintenance or when a facility trouble occurs.
[0004]
Power feeding to the electromagnetic coil is performed by connecting to a terminal provided on the electromagnetic coil in the mold via a cable from a power supply device installed outside the machine. For this reason, detaching the cable is indispensable when replacing the mold, but the work in a narrow space has been a heavy labor due to the large number of cables and the number of cables.
[0005]
Further, when the mold is replaced, the mold cooling water supply / drainage pipe is removed and attached, so that the connection portion of the power cable is in a high humidity environment. For this reason, manual cable connection is accompanied by dangers such as electric leakage. Furthermore, in addition to scheduled replacement, replacement due to sudden troubles such as breakout also occurs, so there has been a demand for minimizing the mold replacement time.
[0006]
Japanese Patent Publication No. 07-087107 discloses a plasma torch used for heating molten steel in a tundish and a connection device for induction heating as a cable connection device in a continuous casting facility. Discloses a rotary connection structure for cables in a ladle changer.
[0007]
[Problems to be solved by the invention]
Therefore object of the present invention is to provide, by automating the power connection for energizing the electromagnetic stirring device attached to the mold of the continuous casting plant, as well as significantly reducing the template switching time, high-humidity environment It avoids dangers such as electric leakage in the factory and frees you from heavy labor to handle heavy cable connectors.
[0008]
[Means for Solving the Problems]
The present invention for smelling solve the above problem, a (1) mold side connector through a cable connection device connected to a mold fixed frame, the outboard connector, coupled to the oscillating table via the outboard connector support device In a cable connection device for supplying power to a continuous casting facility having an electromagnetic coil in a mold, an actuator with a mechanical locking mechanism for connecting and lowering a mold side connector, and a core misalignment absorbing device for storing the actuator tip rod, A guide rod fitted with a spring to be housed in the spring housing case, and a guide hole for fitting the guide rod on the machine-side connector side are provided on the mold-side space of the mold fixing frame in a straight line in the vertical direction. It is the cable connection apparatus of the electromagnetic stirrer in the continuous casting equipment.
[0010]
Further, (2) the mold-side connector through a cable connection device connected to a mold fixed frame, the outboard connector, coupled to the oscillating table via the outboard connector support device, having an electromagnetic coil in a mold In a method for connecting a cable for supplying power to a continuous casting facility, an actuator with a mechanical lock mechanism for connecting / disconnecting a mold side connector, a misalignment absorbing device for storing the tip rod of the actuator, and a spring stored in a spring storage case a guide rod mounted, aircraft and an outer connector side of the guide guides fitting the rod hole by operating the connecting device cable provided on vertically aligned to the mold side of the space of the mold fixed frame, mold side connector and the machine Case of electromagnetic stirrer in continuous casting equipment characterized by being connected to outer connector A Le connection method.
[0011]
【Example】
An embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is an overall plan view of a continuous casting facility equipped with the present invention. 2 is a cross-sectional view taken along the line AA in FIG. FIG. 3 is an overall configuration diagram of the cable connection device of the present invention. FIG. 4 shows an embodiment for explaining the cable connecting apparatus of the present invention.
[0012]
1 and 2, the continuous casting mold is constituted by a long side cooling box 3 and a long side copper plate 9, a short side cooling box 4 and a short side copper plate 10, a clamping device 6 and a mold fixing frame 2. Molten steel 5 is injected into the. 20 is an electromagnetic coil, and the terminal 24 of the electromagnetic coil and the mold side connector 11 in the cable connecting device 17 connected to the mold fixing frame 2 are connected by the cable 7.
[0013]
In FIG. 2, the mold-side connector 11 is supported via a connection actuator 16 that is rotatably fixed to the mold fixing frame 2. On the other hand, the outboard connector 12 is fixed and supported on the vibration table 18 by the outboard connector support device 15. Then, power is supplied to the outboard connector 12 from the outside by a cable.
[0014]
The device configuration of the cable connection device according to the present invention will be described with reference to FIG.
The mold side connector 11 in which the electromagnetic coil cables are collectively connected is supported by the mold fixing frame via the connecting actuator 16, the misalignment absorbing device 21, and the spring storage case 22. The connecting actuator 16 may be of any type as long as it can generate a necessary force. However, from the viewpoint of installation space, a hydraulic type is preferable. However, since the actuator lock needs to always function during casting, a mechanical type lock mechanism such as a bear lock cylinder is used instead of a hydraulic force. preferable.
[0015]
Misalignment intake housed location 21 is for centering when deviation in the relative positions of the mold-side connector 11 and the outboard connector 12 occurs, horizontal plane when the guide rod 14 is inserted into the guide hole 13 Can be followed.
This will be described with reference to FIG.
In the present invention, the tip end rod of the actuator 16 is connected to the mold side connector 11 so as to be movable in the horizontal direction to the misalignment absorbing device 21. The misalignment absorbing device 21 absorbs misalignment between the mold side connector 11 and the outboard connector 12. A guide rod 14 is connected to the misalignment absorbing device 21, and a spring 23 is attached to the guide lot 14. The spring 23 is stored in a spring storage case 22. The outside connector 12 is provided with a guide hole 13 into which a guide rod 14 is fitted. The guide hole 13 is connected to a connector support device 15, and the connector support device 15 is connected to a vibration table 18.
[0016]
When the actuator 16 is lowered, the leading end rod of the actuator 16 pushes the core misalignment absorbing device 21 and descends, the guide rod 14 connected to the misalignment absorbing device 21 is lowered, and is fitted into the guide hole 13. GUIDE hole 13 that is fitted into the guide rod 14, the alignment of the connector is performed. The mold-side connector 11 and the outboard connector 12 are brought into contact with each other, and the guide rod 14 is further lowered and compressed by the spring 23 housed in the spring housing case 22. The actuator 16 is locked by the locking operation. As a result, the surface contact force between the two connectors at the time of mold vibration can be secured by the reaction force of the spring 23, and a fixing device for locking the guide rod and the guide hole after the guide is inserted becomes unnecessary.
[0017]
Further, if a purge nozzle for purging the surfaces of both connectors is provided for reasons of use environment, the contacts between the connectors can be more accurately connected.
[0018]
【The invention's effect】
As described above, since the conventional manual cable connection can be automatically and collectively connected, the duration time is shortened, and there is no risk of leakage or the like. In addition, since the cable connection device is installed on the solid frame, the equipment becomes compact. Further, since the mold side connector and the machine-side connector are simultaneously vibrated during vibration, the contact surface of the connector does not loosen. In addition, since the spring is accommodated in the cable connection device, the contact pressure is kept constant and stable power supply is possible.
[Brief description of the drawings]
FIG. 1 is an overall plan view of a continuous casting facility equipped with the present invention.
FIG. 2 is a cross-sectional view taken along the line AA in FIG.
FIG. 3 is an overall configuration diagram of the cable connection device of the present invention.
FIG. 4 shows an embodiment for explaining the cable connecting device of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Beam 2 ... Mold fixing frame 3 ... Long side water frost cooling box 4 ... Short side cooling box 5 ... Molten steel 6 ... Clamping device 7 ... Cable 8 ... Width variable device 9 ... Long side copper plate 10 ... Short side copper plate 11 ... Mold Side connector 12 ... Outside connector 13 ... Guide hole 14 ... Guide rod 15 ... Outside connector support device 16 ... Connecting actuator 17 ... Cable connection device 18 ... Vibration table 19 ... Vibration device 20 ... Electromagnetic coil 21 ... Core misalignment absorbing device 22 ... Spring storage case 23 ... Spring 24 ... Terminal

Claims (2)

モールド側コネクタをケーブル接続装置を介して鋳型固定フレームに連結し、機外側コネクタを機外側コネクタ支持装置を介して振動テーブルに連結する、鋳型内に電磁コイルを備えた連続鋳造設備に電源を供給するケーブルの接続装置において、モールド側コネクタ上下・接続用メカニカルロック機構付きアクチュエータと、該アクチュエータ先端ロッドを収納する芯ズレ吸収装置と、バネ収納ケース内に収納するバネを装着したガイドロッドと、機外側コネクタ側の該ガイドロッドを嵌入するガイド孔とを鋳型固定フレームの鋳型側のスペースに鉛直方向一直線上に設けたことを特徴とする連続鋳造設備における電磁攪拌装置のケーブル接続装置。The mold side connector is connected to the mold fixing frame via the cable connection device, and the machine outside connector is connected to the vibration table via the machine outside connector support device. The power is supplied to the continuous casting equipment equipped with the electromagnetic coil in the mold. A cable-side connection device, an actuator with a mechanical lock mechanism for connecting / disconnecting the mold side connector, a misalignment absorbing device for storing the tip rod of the actuator, and a guide rod equipped with a spring stored in a spring storage case; A cable connecting device for an electromagnetic stirrer in a continuous casting facility, characterized in that a guide hole for fitting the guide rod on the outside connector side is provided in a straight line in the vertical direction in the space on the mold side of the mold fixing frame . モールド側コネクタをケーブル接続装置を介して鋳型固定フレームに連結し、機外側コネクタを機外側コネクタ支持装置を介して振動テーブルに連結する、鋳型内に電磁コイルを備えた連続鋳造設備に電源を供給するケーブルの接続方法において、モールド側コネクタ上下・接続用メカニカルロック機構付きアクチュエータと、該アクチュエータ先端ロッドを収納する芯ズレ吸収装置と、バネ収納ケース内に収納するバネを装着したガイドロッドと、機外側コネクタ側の該ガイドロッドを嵌入するガイド孔とを鋳型固定フレームの鋳型側のスペースに鉛直方向一直線上に設けるケーブル接続装置を作動させて、モールド側コネクタと機外側コネクタと接続することを特徴とする連続鋳造設備における電磁攪拌装置のケーブル接続方法。The mold side connector is connected to the mold fixing frame via the cable connection device, and the machine outside connector is connected to the vibration table via the machine outside connector support device. The power is supplied to the continuous casting equipment equipped with the electromagnetic coil in the mold. In the connecting method of the cable for supplying the cable, an actuator with a mechanical lock mechanism for connecting and lowering the mold side connector, a misalignment absorbing device for storing the tip rod of the actuator, and a guide rod equipped with a spring stored in the spring storage case, Then, a cable connecting device is provided in which a guide hole into which the guide rod on the machine-side connector side is inserted is vertically aligned in the mold-side space of the mold fixing frame to connect the mold-side connector and the machine- side connector. A cable connection method for an electromagnetic stirrer in a continuous casting facility.
JP2002147280A 2002-05-22 2002-05-22 Cable connecting device and cable connecting method for continuous casting electromagnetic stirring device Expired - Fee Related JP3904973B2 (en)

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KR101486891B1 (en) * 2014-04-11 2015-01-30 주식회사 장원엔지니어링 A electro magnetic stirrer of the power supply
KR101743709B1 (en) * 2015-10-14 2017-06-07 주식회사 장원엔지니어링 A electro magnetic stirrer of the power supply for continuous casting mold
CN109702159B (en) * 2019-01-10 2024-01-16 上海康晟航材科技股份有限公司 Auxiliary supporting device for accurately heightening carrier roller in slab production
CN111952818B (en) * 2020-08-19 2024-05-28 湖南中科电气股份有限公司 Automatic butt joint device for continuous casting crystallizer cable
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