JPS61114083A - Cutter for inner circumferential surface of cylindrical structure - Google Patents
Cutter for inner circumferential surface of cylindrical structureInfo
- Publication number
- JPS61114083A JPS61114083A JP23543284A JP23543284A JPS61114083A JP S61114083 A JPS61114083 A JP S61114083A JP 23543284 A JP23543284 A JP 23543284A JP 23543284 A JP23543284 A JP 23543284A JP S61114083 A JPS61114083 A JP S61114083A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical structure
- cutting
- electric furnace
- induction electric
- circumferential surface
- 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.)
- Pending
Links
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上皇且里豆！
本発明は、鋳造業、！！Ｉ鋼業等で用いられる溶解炉あ
るいは取鍋の耐火物ライニングの老朽化した内周面を切
削除去する切削装置に関するものである。[Detailed Description of the Invention] Industry Retired Emperor and Rito beans! The present invention is applicable to the foundry industry! ! This invention relates to a cutting device for cutting away the aged inner peripheral surface of the refractory lining of a melting furnace or ladle used in the steel industry.
止米立流丘
内周面を耐火物でライニングした円筒状の溶解炉、例え
ば誘導電気炉を用いて鋳鉄を熔解する場合、当該熔解炉
内周面の耐火物ライニングは、熔解作業に伴なって熔融
スラグによる浸蝕や溶湯による溶損、溶湯との摩擦によ
る損耗が生じ、熔解炉内径の拡大や、耐火物に凹凸が生
じるため、定期的に上記耐火物ライニングの補修を行な
う必要がある。上記耐火物ライニングの補修作業は、作
業者が炉内に入って暫等の工具で浸蝕や凹凸の生じた耐
火物ライニングの表面を適当な深さまで削り取った後、
新しい耐火物で初期の厚みまで再ライニングしている。When melting cast iron using a cylindrical melting furnace whose inner circumferential surface is lined with refractory, such as an induction electric furnace, the refractory lining on the inner circumferential surface of the melting furnace is Erosion caused by molten slag, melting loss by the molten metal, and wear due to friction with the molten metal occur, resulting in an enlargement of the inner diameter of the melting furnace and unevenness of the refractory, so it is necessary to repair the refractory lining regularly. The refractory lining repair work described above is carried out by a worker entering the furnace and scraping away the eroded or uneven surface of the refractory lining to an appropriate depth using a temporary tool.
It has been relined to its original thickness with new refractory material.
”Ｌ／’ ｊ
従来、耐火物ライニングの補修作業は、上述の如く作業
者の人力に依存する手作業であり、耐火物ライニングの
表面は高温度の溶湯で焼結されて硬化しているため、非
常に労力と時間を費していた。``L/' j Conventionally, as mentioned above, repair work on refractory linings is a manual process that relies on the human power of workers, and the surface of refractory linings is hardened by sintering with high-temperature molten metal. , which took a lot of effort and time.
更に、耐火物ライニングを削り取る際に、多量の粉塵が
発生するため、作業者は、防塵マスクを装着する等完全
装備で作業を行なわなければならず、これを怠たると、
粉塵によって人体の健康を損なう等、労働衛生上極めて
作業環境の悪い作業であり、また、周囲に上記の如き粉
塵が飛散する等多大の悪影響を及ぼしていた。Furthermore, since a large amount of dust is generated when scraping the refractory lining, workers must be fully equipped, such as wearing dust masks, and if they fail to do so,
This work was an extremely poor working environment in terms of occupational health, with dust impairing human health, and the above-mentioned dust was scattered around, causing great negative effects.
シ ゛ ための
本発明は上記問題点に鑑みてなされたもので、誘導電気
炉、キエポラならびに取鍋の如き耐火物で内張りされた
円筒状構造物内に挿入され、当該円筒状構造物の内周面
に沿ワて自転ならびに公転し、かつ、上下動する切削工
具を具備した円筒状構造物の内周面切削装置である。The present invention has been made in view of the above problems, and is inserted into a cylindrical structure lined with a refractory material such as an induction electric furnace, a chiepola, or a ladle. This is an apparatus for cutting the inner circumferential surface of a cylindrical structure, which is equipped with a cutting tool that rotates and revolves along the circumferential surface and moves up and down.
更に、本発明は、上記円筒状構造物の内周面切削装置に
、円筒状構造物内の下部に開口し、ｉ 切
削屑を外部に吸引排除する吸気管を備えた円筒状構造物
の内周面切削装置である。Furthermore, the present invention provides an apparatus for cutting the inner circumferential surface of a cylindrical structure, which is provided with an intake pipe that opens at a lower part of the cylindrical structure and sucks and removes cutting waste to the outside. This is a peripheral surface cutting device.
旦
本発明装置は、切削工具を円筒状構造物内に挿入し、該
切削工具を、円筒状構造物の内周面に沿って自転ならび
に公転させると共に上下動させて円筒状構造物の内周面
を切削し、更に、その切削屑を吸気管によって外部に吸
引排除するものである。The apparatus of the present invention first inserts a cutting tool into a cylindrical structure, and rotates and revolves the cutting tool along the inner circumference of the cylindrical structure, as well as moves it up and down. The surface is cut, and the cutting waste is sucked out to the outside through an intake pipe.
ｌ１±
第１図は、本発明に係る円筒状構造物の内周面切削装置
を例示する概略側面図で、図面では円筒状構造物を誘導
電気炉としである。l1± FIG. 1 is a schematic side view illustrating an apparatus for cutting the inner peripheral surface of a cylindrical structure according to the present invention, and in the drawing, the cylindrical structure is an induction electric furnace.
第１図において、（Ａ）は誘導電気炉、（１）は誘導電
気炉（Ａ）の耐火物ライニング、（２）は耐火物ライニ
ング（１）に埋設された誘導加熱コイル、（Ｂ）は、本
発明に係る内周面切削装置を示す。In Figure 1, (A) is an induction electric furnace, (1) is a refractory lining of the induction electric furnace (A), (2) is an induction heating coil embedded in the refractory lining (1), and (B) is an induction heating coil embedded in the refractory lining (1). , shows an inner peripheral surface cutting device according to the present invention.
上記内周面切削装置（Ｂ）は、誘導電気炉（Ａ）の上方
開口部（３）を蓋するカバー（１０）と、カバー（１０
）上にプラケ・） （１１）を介し へて固
定されたスイベルジヨイント（１２）と、上端がスイベ
ルジヨイント（１２）の回動側部材に固定され、下端が
カバー（１０）を貫通して誘導電気炉（Ａ）の炉底近傍
まで伸び、側壁面に軸方向のスリン） （１３）を穿設
して横断面Ｃ字状をなした支柱（１４）と、カバー（１
０）の上面に配置され、歯車伝動機構（１５）を介して
支柱（１４）に回転駆動力を与える第１のモータ（Ｍｌ
）と、上記支柱（１４）の内部に、支柱（１４）と同軸
に配置され、上端がスイベルジヨイント（１２）の静止
側部材に固定され、下端が支柱（１４）の下端部に軸受
（１６）を介して支承されたねじ部材（１７）と、ねじ
部材（１７）に螺合するナツト部材（１８）と、上記ス
リン） （１３）に摺動自在に挿入され、基端部がナン
ド部材（１８）に固着され、先端部が支柱（１４）から
突出するアーム部材（１９）と、アーム部材（１９）の
先端に回転可能に取付けられた歯車状の回転切削工具（
２０）と、アーム部材（１９）上に配設され、歯車伝動
機構（２１）を介して回転切削工具（２０）に回転駆動
力を与える第２のモータ（Ｍ２）とから構成される。The inner peripheral surface cutting device (B) includes a cover (10) that covers the upper opening (3) of the induction electric furnace (A), and a cover (10) that covers the upper opening (3) of the induction electric furnace (A).
) is fixed to the swivel joint (12) through the plaque (11), the upper end is fixed to the rotating side member of the swivel joint (12), and the lower end passes through the cover (10). The pillar (14) extends to the vicinity of the bottom of the induction electric furnace (A), and has a C-shaped cross section by drilling an axial line (13) on the side wall surface, and a cover (1).
A first motor (Ml
) is arranged inside the column (14) and coaxially with the column (14), the upper end is fixed to the stationary side member of the swivel joint (12), and the lower end is attached to the lower end of the column (14). A screw member (17) supported through a screw member (16), a nut member (18) screwed onto the screw member (17), and a nut member (18) that is slidably inserted into the sulin (13) and whose base end is attached to a NAND. An arm member (19) is fixed to the member (18) and has a tip protruding from the support column (14), and a gear-shaped rotary cutting tool (
20), and a second motor (M2) that is disposed on the arm member (19) and provides rotational driving force to the rotary cutting tool (20) via a gear transmission mechanism (21).
上記構成の内周面切削装置による円筒状構造物の内周面
の切削作業、即ち、誘導電気炉（Ａ）内周面の耐火物ラ
イニング（１）の切削作業要領を以下に説明する。尚、
初期の状態では、ナツト部材（１８）はねじ部材（１７
）の最上端に位置しているものとする。The procedure for cutting the inner circumferential surface of a cylindrical structure, that is, for cutting the refractory lining (1) on the inner circumferential surface of the induction electric furnace (A) using the inner circumferential surface cutting apparatus having the above-mentioned configuration will be described below. still,
In the initial state, the nut member (18) is connected to the screw member (17).
) is assumed to be located at the top of the screen.
先ず第１図に示す如く、誘導電気炉（Ａ）内に支柱（１
４）を挿入し、誘導電気炉（Ａ）の上方開口部（３）を
上記支柱（１４）が誘導電気炉（Ａ）の中心に位置する
ようカバー（１０）の位置を調整して蓋する。First, as shown in Figure 1, a support column (1
4) and cover the upper opening (3) of the induction electric furnace (A) by adjusting the position of the cover (10) so that the support column (14) is located at the center of the induction electric furnace (A). .
この状態で第２のモータ（Ｍ２）を所定の方向に回転さ
せると、モータ（Ｍ２）の回転駆動力は、歯車伝動機構
（２１）を介して回転切削工具（２０）に伝達され、回
転切削工具（２０）は自 己の軸線を中心とする回転、
即ち、自転を始める。When the second motor (M2) is rotated in a predetermined direction in this state, the rotational driving force of the motor (M2) is transmitted to the rotary cutting tool (20) via the gear transmission mechanism (21), and the rotary cutting tool The tool (20) rotates around its own axis,
In other words, it begins to rotate.
更に、第１のモータ（Ｍｌ）を所定の方向に回転させる
と、モータ（Ｍｌ）の回転駆動力は、歯車伝動機構（１
５）を介して支柱（１４）に伝達され、該支柱（１４）
は回転する。上記支柱（１４）の回転運動は、スリンｌ
−（１３）に対して摺動自在なアーム部材（１９）を介
してナツト部材（１８）に伝達され、ナツト部材（１８
）はねじ部材（１７）と螺合した状態で回転するため、
ナツト部材（１８）はアーム部材（１９）と一体にねじ
部材（１７）の軸線方向に沿って降下する。Further, when the first motor (Ml) is rotated in a predetermined direction, the rotational driving force of the motor (Ml) is transferred to the gear transmission mechanism (1
5) to the strut (14), and the strut (14)
rotates. The rotational movement of the strut (14)
- (13) is transmitted to the nut member (18) via the arm member (19) which is slidable relative to the nut member (18);
) rotates while being screwed together with the screw member (17),
The nut member (18) descends together with the arm member (19) along the axial direction of the screw member (17).
従って回転切削工具（２０）は、アーム部材（１９〉の
先端で自転すると共に、支柱（１４）を中心とし、アー
ム部材（１９）を回転半径とする回転、即ち、支柱（１
４）の回りで公転し、更に支柱（１４）の軸線方向に沿
って降下するため、誘導電気炉（Ａ）の内周面に沿って
、螺旋運動しながら降下し、誘導電気炉（Ａ）の耐火物
ライニング（１）の浸蝕等の生じた内周面全体を所望深
さ切削する。尚、この際に発生する多量の粉塵等は、誘
導電気炉（Ａ）の上方開口部（３）をカバー（１０）で
蓋しているため、誘導電気炉（Ａ）の外部への飛散が阻
止される。また、上記作業において、耐火物ライニング
（１）の切削深さの調整は、アーム部材（１９）を伸縮
させるか、あるいは、ナンド部材（１８）に対するアー
ム部材（１９）の取付角度を変更することによって行な
えばよい、尚、上記の内周面切削装置（Ｂ）においては
、支柱（１４）を回転させる第１のモータ（Ｍｌ）と、
回転切削工具（２０）を回転させる第２のモータ（Ｍ２
）とを用いているが、上記回転切削工具（２０）を支柱
（１４）と連動して回転するようにすれば第２のモータ
（Ｒ＋ｈ）を省略することができる。Therefore, the rotary cutting tool (20) rotates on its own axis at the tip of the arm member (19>), and also rotates around the support (14) with the arm member (19) as the rotation radius.
4), and further descends along the axial direction of the support column (14), so it descends in a spiral motion along the inner peripheral surface of the induction electric furnace (A), and the induction electric furnace (A) The entire inner peripheral surface of the refractory lining (1) where corrosion has occurred is cut to a desired depth. In addition, the large amount of dust generated at this time is prevented from scattering to the outside of the induction electric furnace (A) because the upper opening (3) of the induction electric furnace (A) is covered with a cover (10). blocked. In addition, in the above work, the cutting depth of the refractory lining (1) can be adjusted by expanding and contracting the arm member (19) or by changing the mounting angle of the arm member (19) with respect to the NAND member (18). In addition, in the above-mentioned inner circumferential surface cutting device (B), the first motor (Ml) that rotates the support column (14);
A second motor (M2) rotates the rotary cutting tool (20).
), but if the rotary cutting tool (20) is rotated in conjunction with the support column (14), the second motor (R+h) can be omitted.
更に、本発明に係る円筒状構造物の内周面切削装置（Ｂ
）は、上記支柱（１４）の下端に開口部（３０）を形成
し、スイベルジヨイント（１２）の静止側部材に、外部
の集塵装置（図示せず）に至る配管（３１）を接続して
上記支柱（１４）を吸気管（１４”）となし、更にカバ
ー（１０）に開口部（３２）を形成し、この開口部（３
２）にも、上記集塵装置に至る配管（３３）を接続して
、上 ４記吸気管（１４’） 、配管（３
１） （３３）によって耐火物ライニング（１）の切
削作業中に誘導電気炉（Ａ）内に生じた多量の切削屑や
粉塵を外部に吸引排出して集塵装置等で処理することが
できる。Furthermore, an apparatus for cutting the inner peripheral surface of a cylindrical structure according to the present invention (B
), an opening (30) is formed at the lower end of the support column (14), and a pipe (31) leading to an external dust collector (not shown) is connected to the stationary side member of the swivel joint (12). Then, the support column (14) is used as an intake pipe (14''), and an opening (32) is formed in the cover (10).
Also connect the pipe (33) leading to the dust collector to 2), and connect the above 4 intake pipe (14') and pipe (3).
1) According to (33), a large amount of cutting waste and dust generated in the induction electric furnace (A) during the cutting work of the refractory lining (1) can be sucked out to the outside and disposed of with a dust collector, etc. .
また、本発明装置は、上記の誘導電気炉（Ａ）のみなら
ず、キュボラ、取鍋等の内周面に耐火物ライニングを有
する円筒状構造物であれば何れにも通用が可能で、例え
ば本発明装置をキエポラで使用する場合には、本発明装
置の上下方向を逆にしてキュボラの炉底から挿本し、当
該キエポラの炉底から上方に向って耐火物ライニングを
切削すればよい。Furthermore, the device of the present invention can be used not only for the above-mentioned induction electric furnace (A) but also for any cylindrical structure having a refractory lining on the inner peripheral surface, such as a cubolla or a ladle. When the device of the present invention is used in a Kiepora, the device of the present invention may be turned upside down and inserted from the bottom of the Cubola, and the refractory lining may be cut upward from the bottom of the Kiepora.
尚、本発明装置は、不定形耐火物吹付装置の吹出口をア
ーム部材（１９）の先端に取り付け、上記吹出口に、切
削作業後の耐火物ライニングの内周面に沿って第１のモ
ータ（Ｍｌ）による螺旋運動を与えて耐火物ライニング
に不定形耐火物の吹付施工による再ライニングが可能で
ある。In addition, in the device of the present invention, the air outlet of the monolithic refractory spraying device is attached to the tip of the arm member (19), and the first motor is connected to the air outlet along the inner circumferential surface of the refractory lining after the cutting operation. It is possible to re-line the refractory lining by spraying monolithic refractories by applying a spiral motion using (Ml).
発ｊＩと１展
以上説明したように、本発明装置は、作業中、多量の粉
塵が発生する劣悪な環境に作業者を置（ことな（、清浄
な環境下で、多大な労力を費すことなく耐火物ライニン
グの補修作業を行なえ、また、作業中に発生した多量の
粉塵や切削屑は吸気管によって外部の集塵装置等に吸引
排除されるので、周囲に粉塵が飛散せず、粉塵、切削屑
の処理が同時に行なえるため、作業環境の改善、作業能
率の向上が図れ、実用上優れた円筒状構造物の内周面切
削装置を提供し得る。As explained above, the device of the present invention allows workers to be placed in a poor environment where a large amount of dust is generated during work, and to avoid having to expend a great deal of effort in a clean environment. In addition, large amounts of dust and cutting chips generated during work are sucked and removed by an external dust collector, etc. through the suction pipe, so no dust is scattered around, and dust is removed. Since cutting waste can be processed at the same time, the working environment and working efficiency can be improved, and it is possible to provide a device for cutting the inner peripheral surface of a cylindrical structure that is excellent in practical use.
第１図は、本発明に係る円筒状構造物の内周面切削装置
を例示する概略側面図である。
（Ａ）・−・誘導電気炉（円筒状構造物）、（Ｂ）・・
−・内周面切削装置、（１）・・・−・耐火物ライニン
グ、（１０）・−・カバー、 （１３）・−・スリット
、 （１４）・−・・支柱、（１４”）・−・吸気管、
（１７）・−・・ねじ部材、（１８）−・ナンド部材、
（１９） −アーム部材、（２０）・−・（回転）切削
工具、（３１） （３３）・−配管、（Ｍり・・−・
第１のモータ、（Ｍ２ ） −・第２のモータ。
特 許 出 願 人 株式会社 吉田鐵工所代
理 人 江 原 省 吾〃
江 原 秀り
１１図FIG. 1 is a schematic side view illustrating an apparatus for cutting the inner peripheral surface of a cylindrical structure according to the present invention. (A)...Induction electric furnace (cylindrical structure), (B)...
-Inner peripheral surface cutting device, (1)...Refractory lining, (10)...Cover, (13)...Slit, (14)...Column, (14") -・Intake pipe,
(17)---Screw member, (18)---Nand member,
(19) -Arm member, (20)...(rotary) cutting tool, (31) (33)...piping, (Mri...
First motor, (M2)--Second motor. Patent applicant: Yoshida Iron Works Co., Ltd.
Professor Gangwon Shogo
Ehara Hideri 11
Claims (2)
で内張りされた円筒状構造物内に挿入され、当該円筒状
構造物の内周面に沿って自転ならびに公転し、かつ、上
下動する切削工具を具備したことを特徴とする円筒状構
造物の内周面切削装置。(1) It is inserted into a cylindrical structure lined with a refractory material such as an induction electric furnace, cubolla, or ladle, and rotates and revolves along the inner circumferential surface of the cylindrical structure, and moves up and down. A device for cutting the inner peripheral surface of a cylindrical structure, characterized in that it is equipped with a cutting tool.
で内張りされた円筒状構造物内に挿入され、当該円筒状
構造物の内周面に沿って自転ならびに公転し、かつ、上
下動する切削工具と、円筒状構造物内の下部に開口し、
切削屑を外部に吸引排除する吸気管とを具備したことを
特徴とする円筒状構造物の内周面切削装置。(2) It is inserted into a cylindrical structure lined with a refractory material such as an induction electric furnace, a cubolla, or a ladle, and rotates and revolves along the inner peripheral surface of the cylindrical structure, and moves up and down. A cutting tool and an opening at the bottom inside the cylindrical structure,
A device for cutting an inner peripheral surface of a cylindrical structure, characterized in that it is equipped with an intake pipe for sucking and discharging cutting waste to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23543284A JPS61114083A (en) | 1984-11-08 | 1984-11-08 | Cutter for inner circumferential surface of cylindrical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23543284A JPS61114083A (en) | 1984-11-08 | 1984-11-08 | Cutter for inner circumferential surface of cylindrical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61114083A true JPS61114083A (en) | 1986-05-31 |
Family
ID=16986018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23543284A Pending JPS61114083A (en) | 1984-11-08 | 1984-11-08 | Cutter for inner circumferential surface of cylindrical structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61114083A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107091A (en) * | 1987-10-20 | 1989-04-24 | Kawasaki Steel Corp | Overhauling device for melten steel laddle amorphous refractory |
| JPH06137770A (en) * | 1992-10-26 | 1994-05-20 | Nippon Steel Corp | Cutting tool |
| US6267657B1 (en) | 1998-05-12 | 2001-07-31 | Mitsubishi Heavy Industries, Ltd. | Grinding swarf collector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439201A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Method of controlling a fluid machine |
| JPS5439161A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Liquid level meter of differential pressure type |
| JPS5621787U (en) * | 1979-07-27 | 1981-02-26 | ||
| JPS5938718U (en) * | 1982-09-03 | 1984-03-12 | ヤンマー農機株式会社 | Riding rice transplanter |
-
1984
- 1984-11-08 JP JP23543284A patent/JPS61114083A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439201A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Method of controlling a fluid machine |
| JPS5439161A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Liquid level meter of differential pressure type |
| JPS5621787U (en) * | 1979-07-27 | 1981-02-26 | ||
| JPS5938718U (en) * | 1982-09-03 | 1984-03-12 | ヤンマー農機株式会社 | Riding rice transplanter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107091A (en) * | 1987-10-20 | 1989-04-24 | Kawasaki Steel Corp | Overhauling device for melten steel laddle amorphous refractory |
| JPH06137770A (en) * | 1992-10-26 | 1994-05-20 | Nippon Steel Corp | Cutting tool |
| US6267657B1 (en) | 1998-05-12 | 2001-07-31 | Mitsubishi Heavy Industries, Ltd. | Grinding swarf collector |
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