KR20100087454A - Opening and closing apparatus for working hole in electric furnace - Google Patents

Opening and closing apparatus for working hole in electric furnace Download PDF

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Publication number
KR20100087454A
KR20100087454A KR1020090006459A KR20090006459A KR20100087454A KR 20100087454 A KR20100087454 A KR 20100087454A KR 1020090006459 A KR1020090006459 A KR 1020090006459A KR 20090006459 A KR20090006459 A KR 20090006459A KR 20100087454 A KR20100087454 A KR 20100087454A
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South Korea
Prior art keywords
door
opening
electric furnace
winding
work tool
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KR1020090006459A
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Korean (ko)
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나용주
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현대제철 주식회사
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Priority to KR1020090006459A priority Critical patent/KR20100087454A/en
Publication of KR20100087454A publication Critical patent/KR20100087454A/en

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    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/12—Working chambers or casings; Supports therefor
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • F27D2001/1875—Hanging doors and walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

PURPOSE: An opening and closing apparatus for a work hole of an electric furnace is provided to prevent malfunction or damage caused by friction between a guide and a raised door by using a winding pipe to raise the door horizontal. CONSTITUTION: An opening and closing apparatus for a work hole of an electric furnace comprises a door(50), a first connecting member(54), a winding unit, and a driving unit(80). The door is formed to slide in a work hole. The first connecting member is connected to the door and wound in the winding unit. The driving unit rotates the winding unit. The winding unit comprises a winding pipe(70), a drive roller connected to the driving unit, and an idle roller around which the first connecting member is wound.

Description

전기로용 작업구 개폐장치 {OPENING AND CLOSING APPARATUS FOR WORKING HOLE IN ELECTRIC FURNACE}Opening and Closing Device for Electric Furnace {OPENING AND CLOSING APPARATUS FOR WORKING HOLE IN ELECTRIC FURNACE}

본 발명은 전기로에 관한 것으로서, 특히, 개폐작동이 이루어질 때에 발생되는 오작동 및 파손을 방지할 수 있는 전기로용 작업구 개폐장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric furnace, and more particularly, to an electric furnace tool opening and closing device capable of preventing malfunction and damage generated when an opening and closing operation is made.

일반적인 철강제조는 용선(쇳물)을 생산하는 제선공정, 용선에서 불순물을 제거하는 제강공정, 액체상태의 철이 고체가 되는 연주공정, 철을 강판이나 선재로 만드는 압연공정으로 이루어진다.General steel production consists of a steelmaking process to produce molten iron, a steelmaking process to remove impurities from molten iron, a regeneration process in which iron in a liquid state becomes a solid, and a rolling process in which iron is made of steel or wire.

철광석으로 강철을 만드는 공정 중 앞 단계인 선철을 만드는 공정을 제철, 제선(製銑)이라 하고, 선철로 강철을 만드는 공정을 제강이라 한다.The process of making pig iron, the first step in the process of making steel from iron ore, is called steelmaking and steelmaking, and the process of making steel from pig iron is called steelmaking.

연주공정은 액체생태인 용강을 주형(mold)에 주입한 후 연속 주조기를 통과시킴으로써 용강을 냉각, 응고시켜 연속적으로 슬래브(Slab)나 블룸(Bloom) 등의 중간 소재로 만들어내는 공정이다.The casting process is a process in which molten steel, which is a liquid ecology, is injected into a mold, and then passed through a continuous casting machine to cool and solidify the molten steel to continuously form an intermediate material such as slab or bloom.

이 과정에서 블룸은 다시 강편 압연기를 거쳐 빌릿(Billet)으로 변하며 선재 압연기를 통해 선재로 가공된다.In this process, the bloom is converted into a billet (Billet) again through a rolling mill, and processed into a wire rod through a wire mill.

또한, 슬래브는 후판 압연기를 거쳐 후판으로 생산되거나 열간 압연기를 통과하면서 열연코일이나 열연강판 등으로 만들어진다.In addition, the slab is made of a hot rolled coil or a hot rolled steel sheet while being produced in a thick plate through a thick plate rolling mill or through a hot rolling mill.

앞에서 설명한 제선공정을 행하기 위해 고로 또는 전기로가 사용되며, 고로는 철광석으로부터 용선을 추출하는 노이고, 전기로는 유도 전류가 일으키는 열을 이용하여 고철을 용선으로 만드는 노이다.A blast furnace or an electric furnace is used to perform the above-described steelmaking process, a blast furnace is a furnace for extracting molten iron from iron ore, and an electric furnace is a furnace for making molten iron using heat generated by an induced current.

전기로는 외부가 철피로 이루어지고 그 철피의 내부는 고온에서 내구성이 강 한 내화벽돌로 축조된다.The electric furnace is made of steel shells on the outside, and the inside of the steel shells is constructed of durable fire bricks at high temperatures.

이러한 전기로에는 전기로 조업 중에 발생된 슬래그를 배출하기 위해 전기로의 일측에 돌출되게 형성된 작업구가 형성되며, 작업구를 개폐하는 도어 및 도어의 구동을 행하는 개폐장치가 설치된다.The electric furnace is formed with a work tool formed to protrude on one side of the electric furnace to discharge the slag generated during the operation of the electric furnace, the door for opening and closing the work tool and the opening and closing device for driving the door is installed.

여기서, 개폐장치는 도어의 일측에 설치되어 도어를 상하 방향으로 승강시켜 작업구 개폐토록 설치되는 것이 통상적인 구조이다.Here, the opening and closing device is a conventional structure is installed on one side of the door to be installed to open and close the work tool by lifting the door in the vertical direction.

종래 기술에 따른 전기로용 작업구 도어는 일측에 개폐장치가 설치되기 때문에 장기간 동안 도어가 개폐되면 하중에 의해 도어가 일측으로 기울어지게 되므로 개폐작동 중에 도어와 가이드 사이의 마찰에 의해 오작동 및 파손이 발생될 수 있는 문제점이 있다.Since the work tool door for electric furnace according to the prior art has an opening and closing device on one side, when the door is opened and closed for a long time, the door is inclined to one side due to the load, thereby causing malfunction and breakage due to friction between the door and the guide during the opening and closing operation. There is a problem that can be.

따라서 이를 개선할 필요성이 요청된다.Therefore, there is a need for improvement.

본 발명은 개폐작동 중에 일측으로 기울어지는 것을 억제하여 오작동 및 파손을 방지할 수 있는 전기로용 작업구 개폐장치를 제공하는데 그 목적이 있다.It is an object of the present invention to provide a tool opening and closing device for an electric furnace that can be prevented from malfunction and damage by suppressing the inclination to one side during the opening and closing operation.

상기와 같은 목적을 달성하기 위하여 본 발명은, 작업구에 슬라이딩 가능하게 구비되는 도어; 상기 도어에 연결되는 제1연결부재; 상기 제1연결부재가 감기는 권취부; 및 상기 권취부를 회전시키는 구동부를 포함하는 것을 특징으로 하는 전기로용 작업구 개폐장치를 제공한다.The present invention to achieve the above object, the door is provided to be slidable to the work tool; A first connection member connected to the door; A winding unit to which the first connection member is wound; And it provides a work tool opening and closing device for an electric furnace comprising a drive unit for rotating the winding.

또한, 본 발명의 상기 권취부는, 상기 작업구 측에 회전 가능하게 구비되는 권취파이프; 상기 권취파이프에 설치되어 상기 구동부와 연동되는 주동롤러; 및 상기 권취파이프에 설치되어 상기 제1연결부재가 감기는 종동롤러를 포함하는 것을 특징으로 하는 전기로용 작업구 개폐장치를 제공한다.In addition, the winding unit of the present invention, the winding pipe which is rotatably provided on the work tool side; A main roller installed in the winding pipe and interlocked with the driving unit; And a driven roller installed on the winding pipe to which the first connection member is wound.

또한, 본 발명의 상기 주동롤러는 상기 종동롤러와 비교하여 지름이 작은 것 을 특징으로 하는 전기로용 작업구 개폐장치를 제공한다.In addition, the main roller of the present invention provides a tool opening and closing device for an electric furnace, characterized in that the diameter is smaller than the driven roller.

또한, 본 발명의 상기 구동부는, 암이 출몰 가능하게 구비되는 실린더; 및 상기 암과 상기 주동롤러 사이에 설치되는 제2연결부재를 포함하는 것을 특징으로 하는 전기로용 작업구 개폐장치를 제공한다.In addition, the drive unit of the present invention, the arm is provided with the arm to be mounted; And a second connecting member installed between the arm and the driving roller.

또한, 본 발명은 작업구에 슬라이딩 가능하게 구비되는 도어; 상기 도어에 연결되는 제1연결부재; 상기 작업구 상측에 회전 가능하게 구비되는 권취파이프와, 상기 권취파이프에 구비되어 상기 구동부와 연동되는 주동롤러와, 상기 제1연결부재가 감기는 한 쌍의 종동롤러를 구비하는 권취부; 및 암이 출몰 가능하게 구비되는 실린더와, 상기 암과 상기 주동롤러 사이에 설치되는 제2연결부재를 구비하는 구동부를 포함하고; 상기 주동롤러는 상기 종동롤러와 비교하여 지름이 작은 것을 특징으로 하는 전기로용 작업구 개폐장치를 제공한다.In addition, the present invention is a sliding door provided on the work tool; A first connection member connected to the door; A winding unit including a winding pipe rotatably provided above the work tool, a main roller provided in the winding pipe and interlocked with the driving unit, and a pair of driven rollers to which the first connection member is wound; And a driving unit including a cylinder on which the arm is retractable and a second connecting member disposed between the arm and the driving roller; The main roller provides a tool opening and closing device for an electric furnace, characterized in that the diameter is smaller than the driven roller.

본 발명에 따른 전기로용 작업구 개폐장치는 수평을 유지하면 도어를 승강시키는 권취파이프가 구비됨으로써, 도어가 상승될 때에 도어의 양측 단부를 균일한 힘으로 당기게 되므로 도어가 일측 방향으로 기울어지는 것을 억제하여 도어가 승강될 때에 가이드와의 마찰에 의해 발생되는 오작동 및 파손을 억제할 수 있는 이점이 있다.The work opening and closing device for an electric furnace according to the present invention is provided with a winding pipe for elevating the door when it is kept horizontal, so that both ends of the door are pulled with a uniform force when the door is raised, thereby suppressing the door from tilting in one direction. Therefore, there is an advantage that it is possible to suppress the malfunction and breakage caused by the friction with the guide when the door is elevated.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 전기로용 작업구 개폐장치의 일 실시예를 설명한다. 이러한 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로써, 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of the work tool opening and closing device for an electric furnace according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom. Therefore, definitions of these terms should be made based on the contents throughout this specification.

도 1은 본 발명의 일 실시예에 따른 작업구 개폐장치가 설치된 전기로가 도시된 구성도이고, 도 2는 도 1에 도시된 A부 확대도이고, 도 3은 본 발명의 일 실시예에 따른 전기로용 작업구 개폐장치가 도시된 작동 상태도이고, 도 4는 본 발명의 일 실시예에 따른 전기로용 작업구 개폐장치가 도시된 정면도이다.1 is a configuration diagram showing an electric furnace with a work opening and closing device is installed according to an embodiment of the present invention, Figure 2 is an enlarged view of a portion A shown in Figure 1, Figure 3 according to an embodiment of the present invention An operation state diagram of the furnace opening and closing device is shown, Figure 4 is a front view showing the furnace opening and closing device according to an embodiment of the present invention.

도 1 내지 도 4를 참조하면, 본 발명의 일 실시예에 따른 전기로용 작업구 개폐장치는 작업구(30)에 슬라이딩 가능하게 구비되는 도어(50)와, 도어(50)에 연결되는 제1연결부재(54)와, 제1연결부재(54)가 감기는 권취부(70)와, 권취부(70)를 회전시키는 구동부(80)를 포함한다.1 to 4, the work tool opening and closing device for an electric furnace according to an embodiment of the present invention includes a door 50 slidably provided at the work tool 30 and a first connected to the door 50. It includes a connecting member 54, a winding unit 70 to which the first connecting member 54 is wound, and a driving unit 80 to rotate the winding unit 70.

도어(50)는 작업구(30)의 양측 단부에 설치되는 가이드(56)를 따라 상하 방향으로 슬라이딩 가능하게 설치되고, 상단에는 한 쌍의 제1연결부재(54)가 연결되도록 좌우 방향으로 긴 연결빔(52)이 설치된다.The door 50 is slidably installed along the guides 56 installed at both ends of the work tool 30 in the up and down direction, and is long in the left and right direction so that the pair of first connecting members 54 are connected to the upper end. The connecting beam 52 is installed.

또한, 권취부(70)는 작업구(30)의 상단으로부터 상측 방향으로 소정 거리 떨어지게 배치되고 제1연결부재(54)가 권취되므로 제1연결부재(54)가 권취부(70)에 감기면 도어(50)가 상승되어 작업구(30)가 개방되고, 제1연결부재(54)가 권취부(70)로부터 풀리면 도어(50)가 하강하여 작업구(30)가 폐쇄된다.In addition, the winding part 70 is disposed away from the upper end of the work tool 30 by a predetermined distance, and the first connection member 54 is wound because the first connection member 54 is wound around the winding part 70. When the door 50 is raised to open the work tool 30 and the first connection member 54 is released from the winding part 70, the door 50 descends to close the work tool 30.

권취부(70)는 작업구(30) 일측에 회전 가능하게 구비되는 권취파이프(71)와, 권취파이프(71)에 구비되어 구동부(80)와 연동되는 주동롤러(72)와, 제1연결부재(54)가 감기는 종동롤러(74)를 포함한다.The winding unit 70 includes a winding pipe 71 rotatably provided at one side of the work tool 30, a main roller 72 provided at the winding pipe 71 and interlocked with the driving unit 80, and a first connection. The member 54 includes a driven roller 74 to which the member 54 is wound.

이로써, 구동부(80)에 의해 주동롤러(72)가 회전되면 제1연결부재(54)가 종동롤러(74)에 감기면서 도어(50)를 상승시키므로 작업구(30)가 개방된다.As a result, when the driving roller 72 is rotated by the driving unit 80, the work tool 30 is opened because the first connecting member 54 is wound around the driven roller 74 to raise the door 50.

도어(50)가 상승되어 작업구(30)가 개방된 상태에서 구동부(80)에 의해 권취파이프(71)가 역방향으로 회전되면 제1연결부재(54)가 종동롤러(74)로부터 풀리면서 자중에 의해 도어(50)는 하강하게 되고, 가이드(56)에 의해 안내되어 작업구(30)를 폐쇄하게 된다.When the winding pipe 71 is rotated in the reverse direction by the driving unit 80 while the door 50 is lifted up and the work tool 30 is opened, the first connecting member 54 is released from the driven roller 74 while the weight The door 50 is lowered by the guide, guided by the guide 56 to close the work tool (30).

여기서, 종동롤러(74)는 소정 간격을 유지하며 한 쌍의 종동롤러(74)가 권취파이프(71)에 설치되고, 한 쌍의 종동롤러(74)와 도어(50)의 상단에 설치된 연결빔(52) 사이에 한 쌍의 제1연결부재(54)가 설치된다.Here, the driven roller 74 is maintained at a predetermined interval and a pair of driven rollers 74 are installed on the winding pipe 71, a pair of driven rollers 74 and the connecting beam installed on the top of the door 50 A pair of first connecting members 54 are provided between the 52.

이러한 구성에 의해 권취파이프(71)가 회전되면 한 쌍의 종동롤러(74)가 동일한 속도로 회전되므로 도어(50)의 양측 단부가 동일한 속도로 상승하게 되어 작업구(30)의 개방 작동이 이루어지는 동안에 도어(50)의 수평을 유지할 수 있게 된다.In this configuration, when the winding pipe 71 is rotated, the pair of driven rollers 74 are rotated at the same speed, so that both ends of the door 50 are raised at the same speed so that the work tool 30 is opened. It is possible to maintain the level of the door 50 during.

따라서 도어(50)는 일측 방향으로 기울어지지 않게 되므로 가이드(56)와 도어(50) 사이에 마찰이 증가되는 것을 억제할 수 있어 도어(50)의 오작동 및 파손을 방지할 수 있게 된다.Therefore, since the door 50 is not inclined in one direction, the friction between the guide 56 and the door 50 can be suppressed from increasing, thereby preventing malfunction and breakage of the door 50.

구동부(80)는 작업구(30) 일측에 구비되는 실린더(82)와, 실린더(82)의 암(86)에 연결되고 주동롤러(72)에 감기는 제2연결부재(84)를 포함한다.The driving unit 80 includes a cylinder 82 provided at one side of the work tool 30, and a second connecting member 84 connected to the arm 86 of the cylinder 82 and wound around the main roller 72. .

실린더(82)는 돌출되는 암(86)의 방향이 하측 방향을 향하도록 설치되므로 실린더(82)로부터 암(86)이 돌출되면 제2연결부재(84)를 하측 방향으로 당기게 되고, 주동롤러(72)에 감겨져 있던 제2연결부재(84)가 풀리면서 주동롤러(72)가 회전되면 종동롤러(74)가 연동되어 제1연결부재(54)가 종동롤러(74)에 감기게 된다.Since the cylinder 82 is installed so that the direction of the protruding arm 86 faces downward, when the arm 86 protrudes from the cylinder 82, the second connecting member 84 is pulled downward, and the main roller ( When the main roller 72 is rotated while the second connecting member 84 wound around the 72 is released, the driven roller 74 is interlocked so that the first connecting member 54 is wound on the driven roller 74.

여기서, 주동롤러(72)는 종동롤러(74)와 비교하여 지름이 작게 형성되므로 권취파이프(71)가 회전될 때에 주동롤러(72)와 종동롤러(74)의 회전량은 동일하지만 제2연결부재(84)의 변위량과 비교하여 제1연결부재(54)의 변위량이 더 커지게 된다.Here, since the main roller 72 is formed smaller in diameter than the driven roller 74, when the winding pipe 71 is rotated, the rotation amount of the main roller 72 and the driven roller 74 is the same, but the second connection The amount of displacement of the first connection member 54 is greater than that of the member 84.

따라서 실린더(82)로부터 돌출되는 암(86)의 길이가 소정치 이하로 짧아 제2연결부재(84)의 변위량이 작아도 제1연결부재(54)의 변위량이 더 크므로 도어(50)는 충분한 높이로 상승될 수 있게 된다.Therefore, even if the length of the arm 86 protruding from the cylinder 82 is shorter than a predetermined value, the displacement amount of the first connection member 54 is larger even if the displacement amount of the second connection member 84 is smaller. Can be raised to a height.

물론, 주동롤러(72)를 회전시키는 구동부(80)는 다양하게 변경이 가능하고, 이는 본 발명의 기술구성을 인지한 당업자가 용이하게 변경하여 실시할 수 있는 것이므로 구동부(80)의 다른 실시예에 대한 구체적인 도면이나 설명은 생략하기로 한다.Of course, the driving unit 80 for rotating the main roller 72 can be variously changed, which can be easily changed and implemented by those skilled in the art that recognizes the technical configuration of the present invention another embodiment of the driving unit 80 Detailed drawings or descriptions thereof will be omitted.

상기와 같이 구성된 본 발명의 일 실시예에 따른 전기로용 작업구 개폐장치의 동작을 살펴보면 다음과 같다.Looking at the operation of the work tool opening and closing device for an electric furnace according to an embodiment of the present invention configured as described above are as follows.

먼저, 작업구(30)를 개방할 때에는 작업자의 조작에 의해 실린더(82)로부터 암(86)이 돌출되면 암(86)의 단부에 연결된 제2연결부재(84)가 하측 방향으로 당겨지게 되므로 주동롤러(72)가 회전된다.First, when the work tool 30 is opened, when the arm 86 protrudes from the cylinder 82 by the operator's operation, the second connecting member 84 connected to the end of the arm 86 is pulled downward. The main roller 72 is rotated.

주동롤러(72)가 회전되면 권취파이프(71)에 의해 연결된 종동롤러(74)가 회전되므로 제1연결부재(54)가 종동롤러(74)에 감기게 되어 제1연결부재(54)에 연결된 도어(50)가 상승되면서 작업구(30)의 개방이 이루어지게 된다.When the driven roller 72 is rotated, the driven roller 74 connected by the winding pipe 71 is rotated, so that the first connecting member 54 is wound around the driven roller 74 to be connected to the first connecting member 54. As the door 50 is raised, the work tool 30 is opened.

반대로, 작업구(30)의 폐쇄를 행할 때에는 작업자의 조작에 의해 실린더(82) 내부로 암(86)이 삽입되므로 제2연결부재(84)를 하측 방향으로 당겼던 인장력이 해제된다.On the contrary, when closing the work tool 30, since the arm 86 is inserted into the cylinder 82 by the operator's operation, the tension force that pulled the second connecting member 84 downward is released.

이렇게 제2연결부재(84)를 당기는 힘이 제거되면 도어(50)는 자중에 의해 하측 방향으로 하강하게 되고, 가이드(56)를 따라 도어(50)의 하강이 완료되면 작업구(30)가 폐쇄된다.When the force pulling the second connecting member 84 is removed in this way, the door 50 is lowered downward by its own weight, and when the lowering of the door 50 is completed along the guide 56, the work tool 30 is completed. It is closed.

이때, 도어(50)의 하강에 의해 제1연결부재(54)가 하측 방향으로 당겨지므로 종동롤러(74)가 역방향으로 회전된다.At this time, since the first connecting member 54 is pulled downward by the lowering of the door 50, the driven roller 74 is rotated in the reverse direction.

종동롤러(74)가 회전되면 권취파이프(71)에 의해 연결된 주동롤러(72)가 역회전되므로 주동롤러(72)의 둘레면에 제2연결부재(84)가 감기면서 실린더(82)의 암(86)을 상측 방향으로 당기는 인장력이 발생된다.When the driven roller 74 rotates, the driving roller 72 connected by the winding pipe 71 reversely rotates, so that the arm of the cylinder 82 is wound around the second connecting member 84 on the circumferential surface of the driving roller 72. Tensile force that pulls 86 upward is generated.

이렇게 실린더(82)의 암(86)과 주동롤러(72) 사이에 인장력이 발생된 상태가 유지되므로 다음번의 개방작동이 개시될 때에 실린더(82)로부터 암(86)이 돌출됨과 동시에 제2연결부재(84)가 당겨질 수 있게 된다.Thus, a state in which tension is generated between the arm 86 of the cylinder 82 and the main roller 72 is maintained so that the arm 86 protrudes from the cylinder 82 and the second connection at the time of the next opening operation. The member 84 can be pulled out.

상기한 바와 같은 구성 및 작동에 의해 개폐작동 중에 일측으로 기울어지는 것을 억제하여 오작동 및 파손을 방지하는 전기로용 작업구 개폐장치를 제공할 수 있게 된다.By the configuration and operation as described above it is possible to provide an electric furnace tool opening and closing device to suppress the inclination to one side during the opening and closing operation to prevent malfunction and damage.

본 발명은 도면에 도시되는 일 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다.Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

또한, 전기로용 작업구 개폐장치를 예로 들어 설명하였으나, 이는 예시적인 것에 불과하며, 전기로용 작업구 개폐장치가 아닌 다른 제품에도 본 발명의 개폐장치가 사용될 수 있다.In addition, the work tool opening and closing device for the electric furnace has been described as an example, but this is merely illustrative, the switchgear of the present invention can be used in other products other than the work tool opening and closing device for the furnace.

따라서 본 발명의 진정한 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.Therefore, the true technical protection scope of the present invention will be defined by the claims below.

도 1은 본 발명의 일 실시예에 따른 작업구 개폐장치가 설치된 전기로가 도시된 구성도이다.1 is a configuration diagram showing an electric furnace installed with a work opening and closing device according to an embodiment of the present invention.

도 2는 도 1에 도시된 A부 확대도이다.FIG. 2 is an enlarged view of a portion A shown in FIG. 1.

도 3은 본 발명의 일 실시예에 따른 전기로용 작업구 개폐장치가 도시된 작동 상태도이다.3 is an operating state diagram showing the work tool opening and closing device for an electric furnace according to an embodiment of the present invention.

도 4는 본 발명의 일 실시예에 따른 전기로용 작업구 개폐장치가 도시된 정면도이다.Figure 4 is a front view showing the work tool opening and closing device for an electric furnace according to an embodiment of the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

10 : 전기로 30 : 작업구10: electric furnace 30: work tool

50 : 도어 70 : 권취파이프50: door 70: winding pipe

80 : 구동부80: drive unit

Claims (4)

작업구에 슬라이딩 가능하게 구비되는 도어;A door slidably provided in the work tool; 상기 도어에 연결되는 제1연결부재;A first connection member connected to the door; 상기 제1연결부재가 감기는 권취부; 및A winding unit to which the first connection member is wound; And 상기 권취부를 회전시키는 구동부를 포함하는 것을 특징으로 하는 전기로용 작업구 개폐장치.Electric tool opening and closing device comprising a drive unit for rotating the winding. 제1항에 있어서,The method of claim 1, 상기 권취부는,The winding unit, 상기 작업구 측에 회전 가능하게 구비되는 권취파이프;A winding pipe rotatably provided at the work tool side; 상기 권취파이프에 설치되어 상기 구동부와 연동되는 주동롤러; 및A main roller installed in the winding pipe and interlocked with the driving unit; And 상기 권취파이프에 설치되어 상기 제1연결부재가 감기는 종동롤러를 포함하는 것을 특징으로 하는 전기로용 작업구 개폐장치.And a driven roller installed on the winding pipe, to which the first connection member is wound. 제2항에 있어서,The method of claim 2, 상기 주동롤러는 상기 종동롤러와 비교하여 지름이 작은 것을 특징으로 하는 전기로용 작업구 개폐장치.The main roller is electric furnace work tool opening and closing device, characterized in that the diameter is smaller than the driven roller. 제2항 또는 제3항에 있어서,The method according to claim 2 or 3, 상기 구동부는,The driving unit includes: 암이 출몰 가능하게 구비되는 실린더; 및A cylinder provided with the arm retractably; And 상기 암과 상기 주동롤러 사이에 설치되는 제2연결부재를 포함하는 것을 특징으로 하는 전기로용 작업구 개폐장치.And a second connecting member installed between the arm and the driving roller.
KR1020090006459A 2009-01-28 2009-01-28 Opening and closing apparatus for working hole in electric furnace KR20100087454A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108534554A (en) * 2017-03-02 2018-09-14 防城港思创信息技术有限公司 A kind of automatic wicket of high-temperature-resistant thermal-insulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108534554A (en) * 2017-03-02 2018-09-14 防城港思创信息技术有限公司 A kind of automatic wicket of high-temperature-resistant thermal-insulation

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