KR20090059937A - Apparatus for re-cutting slab in an emergency - Google Patents

Apparatus for re-cutting slab in an emergency Download PDF

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Publication number
KR20090059937A
KR20090059937A KR1020070127038A KR20070127038A KR20090059937A KR 20090059937 A KR20090059937 A KR 20090059937A KR 1020070127038 A KR1020070127038 A KR 1020070127038A KR 20070127038 A KR20070127038 A KR 20070127038A KR 20090059937 A KR20090059937 A KR 20090059937A
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KR
South Korea
Prior art keywords
slab
cutting
torch
moving
emergency
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KR1020070127038A
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Korean (ko)
Inventor
지희훈
오태성
최팔홍
서영래
Original Assignee
주식회사 포스코
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Priority to KR1020070127038A priority Critical patent/KR20090059937A/en
Publication of KR20090059937A publication Critical patent/KR20090059937A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch

Abstract

A slab re-cutting device is provided to increase the productivity by preventing the casting discontinuance and a large facility accident by rapidly cutting the slab with a pendant box in a remote. A slab re-cutting device comprises: a roll moving a slab produced by a continuous casting device; a heat protection cover cutting off the heat generated by the transfer of the roll; a torch(5) cutting the slab; a running unit(1) moving the torch to the width direction of the slab; a traverse motion unit(2) moving the running unit to the longitudinal direction of the slab; and a pendant box(8) having a switch controlling the operation of the running unit and the traverse motion unit.

Description

슬라브 비상 재 절단장치{Apparatus for re-cutting slab in an emergency}Apparatus for re-cutting slab in an emergency}

본 발명은 슬라브 비상 재 절단장치에 관한 것으로서, 더욱 상세하게는 연주공정에서 생산되는 주편(연속적으로 이어져 있는 슬라브)을 소정의 길이를 갖는 슬라브로 절단하는 Torch Cutting Machine(이하 'TCM'라 한다)의 고장 및 오동작 으로 인한 미절단된 주편을 신속하고 간편하게 절단할 수 있는 슬라브 비상 재 절단장치에 관한 것이다.The present invention relates to a slab emergency re-cutting device, and more particularly, torch cutting machine (hereinafter referred to as 'TCM') for cutting the slab (continuously connected slab) produced in the playing process into a slab having a predetermined length. Slab emergency re-cutting device that can quickly and easily cut the uncut slab due to the failure and malfunction of the.

일반적으로 제철소의 연주공정은 용강을 몰드에 통과시키면서 소정의 폭과 두께를 갖는 주편을 생산하는 것으로서, 상기 연주공정에서 생산된 주편은 소정의 길이를 갖는 슬라브로 절단한다.In general, the reworking process of an ironworks produces slabs having a predetermined width and thickness while passing molten steel through a mold, and the slabs produced in the reproducing process are cut into slabs having a predetermined length.

상기 주편을 절단할 때에는 연주기의 후단에 설치된 TCM을 이용한다.When cutting the cast steel using a TCM installed on the rear end of the player.

상기 TCM이 정상적으로 동작할 경우에는 주편이 안정적으로 절단되지만 TCM의 고장 또는 미 동작시에는 주편이 절단되지 않게 되었으며, 이때에는 작업자가 수동으로 주편을 절단하게 된다.When the TCM operates normally, the cast steel is stably cut, but when the TCM is broken or not operated, the cast steel is not cut. In this case, the operator manually cuts the cast steel.

상기 슬라브를 수동으로 절단할 때에는 도 1에 나타낸 바와 같이 안전보호구를 착용한 운전자(51)가 V/V Stand에 있는 산소 Gas Hose(53) 및 LNG Gas Hose(54) 에 수동토치(50)를 설치하고 산소 및 LNG Gas 압력(산소 : 약 8-12Kg/㎠, LNG Gas : 약 2.5~4Kg/㎠)을 확인 및 조정하며 LNG Gas V/V(57)를 약간 열어서 점화를 한 다음 LNG Gas V/V(57)를 더 열어 불꽃을 키우고(150mm이상) 저압산소 V/V(56)를 서서히 열어서 적당히 조절 후 LNG Gas V/V(57) 및 저압산소 V/V(56)를 이용하여 불꽃 길이가 약 150 ~300 mm 정도 되도록 불꽃조절이 완료된 수동토치(50)를 절단할 주편의 모서리에 대고 예열하며 미절단 슬라브(14)가 용융되기 시작하면 고압산소 Lever(55)를 서서히 당겨 절단을 시작한다. When manually cutting the slab, as shown in FIG. 1, the driver 51 wearing the safety protective device applies the manual torch 50 to the oxygen gas hose 53 and the LNG gas hose 54 in the V / V stand. Check and adjust the oxygen and LNG gas pressure (oxygen: about 8-12Kg / ㎠, LNG gas: about 2.5 ~ 4Kg / ㎠), open LNG Gas V / V (57) slightly to ignite, and then LNG Gas V Open the / V (57) to increase the flame (more than 150mm), open the low pressure oxygen V / V (56) slowly and adjust it properly, then use the LNG Gas V / V (57) and the low pressure oxygen V / V (56) to open the flame. The flame-controlled manual torch (50) is preheated to the edge of the slab to be cut to about 150 to 300 mm in length, and when the uncut slab (14) starts to melt, pull the high pressure oxygen lever (55) slowly to cut it. To start.

이때 절단 용융설이 하부로 떨어지는 것을 확인하면서 조금씩 수동토치(50)를 전진 또는 후진하면서 절단하고, 절단이 완료 되었다고 판단이 되면 Panel 운전자에게 연락하여 롤(23)을 구동시켜 절단된 슬라브(14)를 이동 시키는 것으로서, 슬라브(14)의 절단완료를 확인한다.At this time, while cutting the molten snow, the manual torch 50 is gradually moved forward or backward while checking that it falls to the bottom. When it is determined that the cutting is completed, the panel driver is contacted and the roll 23 is driven to drive the cut slab 14. By moving, the cutting completion of the slab 14 is confirmed.

그러나 상술한 바와 같은 종래에는 운전자가 수동토치(50)를 이용하여 절단하므로서 수동토치(50) 가스조절 및 절단위치, 절단속도 조절 불가로 절단면이 고르지 못해 품질에 영향이 크며 재절단시 공정지연, 여재발생, 에너지 소비등이 발생된다. However, in the prior art as described above, the driver cuts using the manual torch 50, so that the cutting surface is uneven because the manual torch 50 gas adjustment and cutting position and the cutting speed cannot be adjusted. Mediation, energy consumption, etc. are generated.

또한, 재 절단시 고온(약 800도 이상)의 슬라브(14) 측면에 근접한 상태에서 절단하여야 하므로 작업자가 화상 및 안전사고의 위험에 노출되는 문제점이 있었다.In addition, when recutting should be cut in a state close to the side of the slab 14 at a high temperature (about 800 degrees or more), there was a problem that the worker is exposed to the risk of burns and safety accidents.

그리고, 절단지연에 따른 주조중단 및 주조속도 저하로 전후 공정의 휴지로 인하여 생산성이 감소되는 문제점이 있었다.In addition, there is a problem in that the productivity is reduced due to the stopping of the before and after process due to the casting stop and the casting speed decrease due to the cutting delay.

본 발명은 상기한 문제점을 해결하기 위한 것으로서, 그 목적은 TCM의 오동작으로 인하여 주편을 비상 재 절단시 작업자를 안전사고로부터 보호하고, 절단지연으로 인한 생산성 감소를 최소화 할 수 있는 슬라브 비상 재 절단장치를 제공함에 있다.The present invention is to solve the above problems, the object of the slab emergency re-cutting device that can protect the operator from safety accidents when emergency re-cutting of the slab due to the malfunction of the TCM, and minimize the decrease in productivity due to cutting delay In providing.

상기 목적을 달성하기 위한 본 발명의 특징적인 구성을 설명하면 다음과 같다.Referring to the characteristic configuration of the present invention for achieving the above object is as follows.

본 발명에 따른 슬라브 비상 재 절단장치는 연주기에서 생산되는 주편을 이동시키기 위한 롤과, 상기 롤에 의해서 이동되는 슬라브에서 발생되는 열을 차단하기 위하여 롤의 상부에 설치한 방열 Protection Cover과, 상기 슬라브를 절단하기 위한 토치와, 상기 토치를 슬라브의 폭방향으로 이동시키기 위한 주행장치와, 상기 주행장치를 슬라브의 길이 방향으로 이동시키기 위한 횡행장치와, 상기 주행장치 및 횡행장치의 동작을 제어하는 스위치가 구비된 Pendant Box를 포함하여서 된 것이다.The slab emergency re-cutting device according to the present invention is a roll for moving the slabs produced in the machine, a heat dissipation protection cover installed on top of the roll to block the heat generated from the slab moved by the roll, and the slab A torch for cutting the blade, a traveling device for moving the torch in the slab width direction, a transverse device for moving the traveling device in the longitudinal direction of the slab, and a switch for controlling the operation of the traveling device and the transverse device. Including Pendant Box equipped with.

본 발명은 Pendant Box에 의한 원격제어가 가능하도록 주행장치/횡행장치와 Forward방향/Reverse방향 및 Calmping장치인 Clamping/Unclamping 그리고 절단용 고압가스의 조작과 속도조절이 가능하도록 하여 미절단 슬라브 발생시 신속하게 작 업가능하므로 대형 설비사고 및 주조중단 방지로 생산성 향상에 기여 하고 절단면을 미려하게 유지하여 품질을 향상시킬 수 있는 특유의 효과가 있다.The present invention enables the operation of the driving device / traverse device, the forward direction / reverse direction and the clamping / unclamping and calmping devices, and the speed control of the cutting high pressure gas so that the remote control by the pendant box can be performed quickly. As it can work, it contributes to productivity improvement by preventing large equipment accident and casting stop, and has a unique effect of improving the quality by keeping the cutting surface beautiful.

또한 본 발명은 운전자가 슬라브에 근접하지 않고도 원거리에서 원격조정이 가능하게 되므로 고열에 의한 작업자의 안전사고를 미연에 방지할 수 있는 특유의 효과가 있다.In addition, the present invention can be remotely controlled from a distance without the driver close to the slab has a unique effect that can prevent the safety accident of the operator due to high heat in advance.

본 발명을 나타낸 첨부도면을 참조하여 설명하면 다음과 같다.When described with reference to the accompanying drawings showing the present invention.

도 2는 본 발명에 따른 슬라브 비상 재절단장치 전체 평면도 및 측면도이고, 도 3은 본 발명에 따른 Clamping(속도동조)장치 측면도이며, 도 4는 본 발명에 따른　주행장치 측면도이고, 도 5는 본 발명에 따른 횡행장치 측면도이며, 도 6은 본 발명에 따른　토치 Bunner 조절장치이고, 도 7은 본 발명에 따른 Pendant Box 단면도이며, 도 8은 본 발명에 따른 주행/횡행 Forward/Reverse 제어회로도이고, 도 9는 본 발명에 따른 Clamping장치 및 Torch 제어 회로도이며, 도 10은 본 발명에 따른 속도제어장치 회로도이고, 도 11은 본 발명에 따른 조작방법 및 순서도이다.　Figure 2 is a plan view and a side view of the slab emergency re-cutting device according to the invention, Figure 3 is a side view of the clamping (speed tuning) device according to the present invention, Figure 4 is a side view of the driving device according to the invention, Figure 5 Figure 6 is a traverse device side view according to the invention, Figure 6 is a torch Bunner adjusting device according to the present invention, Figure 7 is a cross-sectional view of the pendant box according to the present invention, Figure 8 is a driving / traverse forward / reverse control circuit diagram according to the present invention, 9 is a circuit diagram of a clamping device and a torch control according to the present invention, FIG. 10 is a circuit diagram of a speed control device according to the present invention, and FIG. 11 is an operation method and a flow chart according to the present invention.

본 발명은 상기와 같은 문제점을 해결하기 위해 제안된 것으로서 구동되는 롤(23)의 측면 레일(11)위에 방열 Protection Cover(43)을 설치하여 하부에서 받는 열을 차단하고 상단에는 기계장치 안착을 위해 장치설치 Frame(42)을 설치하였다. The present invention has been proposed to solve the above problems by installing a heat dissipation protection cover (43) on the side rails 11 of the roll 23 is driven to block the heat received from the bottom and the top for mounting the machine Device Installation Frame (42) was installed.

상단 장치설치 Frame(42)에 기계 및 전기 장치인 주행장치(1), 횡행장치(2), 주행 Drag Chain(10), 횡행 Drag Chain(29), 주조속도 동조장치인 Clamping장치(4)를 설치하였다. 주행 Geared Motor(20)는 주행 동작시 Rail(11)에서 이탈되지 않도 록 주행 Flange Wheel(22)을 반대쪽에는 주행 No Flange Wheel(25)을 설치하고 주행동력이 균일하게 전달되게 하기 위해 4개의 Wheel(9)을 설치하고 양 측면을 샤프트(24)로 연결하고 주행 Geared Motor(20)와 유연성 있는 동력전달 위해 주행 Chain Gear(19)를 연결하였다. 이동속도는 9M/Min로 설정하여 총 길이 9M를 1분안에 이동이 가능하도록 설계하여 미절단 슬라브(14) 발생시 신속하게 찾아서 절단하도록 설계하였다. On the upper device mounting frame 42, a traveling device (1), a transverse device (2), a traveling drag chain (10), a transverse drag chain (29), and a clamping device (4) as a casting speed synchronization device are mounted on the upper frame (42). Installed. The traveling geared motor 20 has four wheels to install the driving flange wheel 22 on the opposite side of the driving flange wheel 22 so as not to be separated from the rail 11 during the driving operation, and to uniformly transmit the driving power. (9) was installed, and both sides were connected to the shaft 24, and the driving geared motor 20 and the driving chain gear 19 were connected for flexible power transmission. The moving speed was set to 9M / Min so that the total length of 9M could be moved within 1 minute, so that the uncut slab 14 could be quickly found and cut.

또한, 점화는 슬라브에서 발생되는 열에 의해 자동점화되도록 항상 절단가능한 위치인 슬라브(14)에서 30mm 지점에 있도록 하고 고압 Gas 조정용 자동 Solenoide V/V를 설치하였으며, 주조속도 동조장치인 Clamping장치(4)를 Air로 동작시켜 Clamping/Unclamping 되도록 설계하였다. In addition, the ignition is 30mm from the slab 14, which is always cutable, so that the ignition is automatically ignited by the heat generated from the slab, and an automatic Solenoide V / V for high pressure gas adjustment is installed. Is designed to clamp / unclamp by operating with air.

이와 같은 동작을 위한 Cable & Gas Hose, Air Hose를 Drag Chain(10)으로 움직이게 하였으며, 동작은 원격에서 Pendant Box(8)로 각 조절장치인 주행 Geared Motor(20), 횡행 Geared Motor(25)를 인버터(84)를 설치하여 Pendant Box(8)를 통해 Volume(70, 84)으로 미세조절하도록 하므로 안전하고 신속하고 정확하게 절단작업을 할 수 있도록 구성하였다. 토치(5)의 높낮이조절장치(7) 및 전후진조절장치(6)를 흔들림 없이 미세 조정이 가능하도록 상하 Adjust Guide(35)와 전후 Adjust Guide(40) 사용 및 상하조절 Screw(34) 전후조절 Screw(39)를 설치하였다. Cable & Gas Hose and Air Hose are moved by Drag Chain (10) for the operation.The operation is performed by the Pendant Box (8) from the remote control, the driving geared motor (20) and the traverse geared motor (25). By installing an inverter 84 to fine-tune the volume (70, 84) through the Pendant Box (8) was configured to allow safe, fast and accurate cutting work. To adjust the height adjusting device (7) and the forward and backward adjustment device (6) of the torch (5) without shaking, use the up and down adjust guide (35) and the front and rear adjust guide (40) and adjust the up and down adjustment screw (34) Screw (39) was installed.

이와 같은 장치를 설치하여 연속주조중 미절단 슬라브(14)를 수동으로 하였던 모든 작업을 본 장치를 이용하여 원격에서 Pendant Box(8)로 안전하게 신속하게 절단이 가능하므로 대형 설비사고 및 주조중단 방지로 생산성 향상, 품질향상, 운 전자 안전향상에 기여하도록 하였다 원격에서 안전하고 신속하게 처리하여 주조중단을 방지하고자 하였다.By installing such a device, it is possible to safely and quickly cut all the work that was manually performed on the uncut slab (14) during continuous casting by remotely using the device to the Pendant Box (8). Contribution to productivity improvement, quality improvement, and driver safety improvement.

이하에서는 본 발명을 더욱 상세히 설명하기로 한다.Hereinafter, the present invention will be described in more detail.

도면에서 참조 되는 바와 같이 슬라브(14)가 이동되는 롤(23)지지용 가이드 Beam 측면에 레일(11)을 설치하여 Rail(11) 위에 방열 Protection Cover(43)를 설치하여 하부 슬라브에서 받는 열을 차단하고 상단에는 기계장치가 안착을 위해 장치설치 Frame(42)을 설치하였다.As shown in the drawings, a rail 11 is installed on the side of the guide beam for supporting the roll 23 to which the slab 14 is moved, and a heat protection protection cover 43 is installed on the rail 11 to receive heat received from the lower slab. On top of that, a device installation frame (42) was installed to seat the machine.

Clamping장치(4)는 인발되는 주편에 미절단 슬라브(14) 위치가 정확히 인식되어 위치되면 본 장치와 생산되는 슬라브(14)가 동일한 속도로 인발되도록 Clamping장치(4) 동작을 위한 Clamping의 경우 Pendant Box(8)에 Clamping Switch(73)의 On(79)을 누르면 Cylinder(16)의 Clamping Side로 Air를 공급되면서 Rod(18)가 나와 중간에 고정핀(15)과 크레비스(17)를 중심으로 회전하여 Lever(13)가 슬라브(14)에 안착되어 동일 속도로 동조되도록 하였다. In the case of clamping for clamping device 4, the clamping device 4 is operated so that the device and the produced slab 14 are drawn at the same speed when the uncut slab 14 is correctly recognized and positioned on the drawn cast. Pressing On (79) of Clamping Switch (73) to Box (8), Air is supplied to Clamping Side of Cylinder (16), Rod (18) comes out and centering around Fixing Pin (15) and Crevis (17). Rotation was made so that the Lever 13 was seated on the slab 14 and tuned at the same speed.

Unclamping의 경우 Pendant Box(8)에 Clamping Switch(73)의 Off(80)를 누르면 Cylinder(16) Unclamping Side로 Air를 공급하면 Rod(18)가 들어가면서 중간에 고정핀(15)과 크레비스(17)를 중심으로 회전하여 Lever(13)가 상부로 원위치 된다.In case of Unclamping, if Off (80) of Clamping Switch (73) is pushed to Pendant Box (8), Air is supplied to Cylinder (16) Unclamping Side, Rod (18) enters and the fixing pin (15) and Crevis (17) in the middle. Rotate around and Lever (13) returns to the top.

주행장치(1)는 슬라브(14)가 인발되는 방향인 Forward 방향(77)과 그 반대인 Reverse방향(78)으로 움직이는 장치이며 장치설치 Frame(42) 위에 주행 Geared Motor(20)를 설치하고 주행 동작시 Wheel(9)이 Rail(11) 위에서 이탈되지 않도록 주행 Flange Wheel(22)을 반대쪽에는 주행 No Flange Wheel(25)을 설치하고 주행동 력이 균일하게 전달되게 하기 위해 4개의 Wheel(9)을 설치하고, 양 측면을 샤프트(24)로 연결하고 주행 Geared Motor(20)와 유연성 있는 동력전달 위해 주행 Chain Gear(19)를 연결하였다. The traveling device 1 is a device moving in the forward direction 77, which is the direction in which the slab 14 is drawn out, and the reverse direction 78, which is the reverse direction, and the traveling geared motor 20 is installed on the device installation frame 42. In order to ensure that the wheel (9) does not deviate from the rail (11) during operation, the driving flange wheel (22) is installed on the opposite side, and the driving no flange wheel (25) is installed on the opposite side, and the four wheels (9) are used to uniformly transmit the driving power. , And both sides were connected to the shaft 24, and the driving geared motor 20 and the driving chain gear 19 were connected for flexible power transmission.

이와 같은 동작을 원활하게 하기 위한 동력 전달을 위해 필요한 Cable & Gas Hose, Air Hose를 주행Drag Chain(10)으로 움직이게 하였다. Cable & Gas Hose and Air Hose necessary for power transmission to smooth the operation were moved to the driving drag chain (10).

이 장치는 주조중 미절단이 발생되면 Pendant Box(8)로 주행/횡행 Switch(71)를 주행(75)으로 선택하고 미절단 위치까지 Forward(77),Reverse(78) 방향으로 선택하고 인버터(84)에 연결된 Volume(83)을 동작하기 위해 주행/횡행 속도조절자(70)로 원하는 속도로 조절하여 미절단 위치를 찾아 Clamping(4)장치를 동작시켜 슬라브에 Close시킨다.When uncutting occurs during casting, this device selects driving / running switch (71) as traveling (75) to pendant box (8), and selects forward (77) and reverse (78) directions to the uncut position, and inverter ( 84) in order to operate the volume (83) connected to the drive / traverse speed controller 70 to adjust the desired speed to find the uncut position to operate the clamping (4) device to close the slab.

횡행장치(2)는 장치설치 Frame(42) 위에 횡행 Geared Motor(28)를 설치하여 동작되며 생산되는 주편을 주문자가 원하는 크기의 슬라브로 만들기 위해 일정한 크기로 자르기 위한 장치로써 슬라브 미절단 발생시 Pendant Box(8)로 주행/횡행 Switch(71)를 횡행(76)으로 선택하고, 횡행 미절단 위치까지 Forward(77a), Reverse(78a) 방향으로 선택하면, 횡행 Geared Motor(28)가 동작되어 횡행 Chain(27)을 통해 횡행 Chain Gear(26)를 통해 구동된다. The traverse device (2) is operated by installing the traverse geared motor (28) on the device installation frame (42), and is a device for cutting the cast slab to a certain size to make the slab of the desired size by the orderer. (8) If the travel / crossing switch 71 is selected as the traversing 76 and the forward (77a) or reverse (78a) direction is selected to the transverse uncut position, the traversing geared motor 28 is operated to traverse the transverse chain. It is driven through the transverse chain gear 26 through (27).

횡행 Geared Motor(28)의 속도를 조절하기 위해서는 인버터(84)에 연결된 Volume(83)을 동작하기 위해 주행/횡행 속도 조절자(70)로 원하는 속도로 조절하여 정확한 위치에 위치하면, Pendant Box(8)의 고압가스 Switch(74)를 조작하여 Torch Solenoide V/V를 On(81)하여 주편을 자르기 시작하며 잘리는 속도를 보면서 횡행 속도를 조절하면서 절단작업을 한다. In order to control the speed of the traverse geared motor 28, the drive / traverse speed adjuster 70 is adjusted to the desired speed to operate the volume 83 connected to the inverter 84, and the pendant box ( 8) Operate the high pressure gas switch (74) to turn on Torch Solenoide V / V (81) and start cutting the slab while cutting while adjusting the traverse speed while watching the cutting speed.

이와 같은 동작을 원활하게 하기 위한 동력 전달을 위해 필요한 Cable & Gas Hose, Air Hose 이동을 원활하게 하기 위해 Drag Chain(29)으로 움직이게 하였다.Drag & Chain (29) to move the Cable & Gas Hose, Air Hose necessary for the power transmission to facilitate the operation smoothly.

전후진조절장치(6) 및 높낮이조절장치(7)는 토치(5)가 수직으로 설치되어 있어 진동 및 수직 & 수평의 평판도를 맞추어야 슬라브(14)가 정확하게 수직으로 절단되므로 움직임이 없도록 상부 Bracket(32)와 하부 Bracket(33)로 고정하였으며 조정 및 교환이 용이하도록 고정장치에 라운드를 주었다. The forward and backward adjustment device 6 and the height adjustment device 7 have the torch 5 installed vertically so that the slab 14 is cut vertically precisely to match vibration and vertical & horizontal flatness so that there is no movement of the upper bracket ( 32) and the lower bracket (33) and rounded the fixing device for easy adjustment and exchange.

토치(5)가 Frame(42) 특성상 전후 간격 조정이 필요할 경우 도 6에 도시된 것과 같이 전후조절 Handle(39)을 회전시켜 전후조절 Screw(38)를 통해 전후 조절 Bearing Block(41)을 축으로 전후 Adjust Guide(40)가 유동을 잡아주면서 서서히 움직여서 전후 간격을 조절되도록 하였으며 토치(5) 불꽃 크기 및 특성변화시, 현재 주편이 230mm인데 주편 두께를 생각하여 상하조절을 도 6에 도시된 것과 같이 상하조절 Handle(37)을 회전시켜 상하조절 Screw(34)를 통해 상하 조절 Bearing Block(36)을 축으로 상하 Adjust Guide(35)가 유동을 잡아주면서 서서히 움직여서 상하 높이를 조절되도록 하였다. When the torch 5 needs to adjust the front and rear spacing due to the characteristics of the frame 42, the front and rear adjustment bearing block 41 is rotated through the front and rear adjustment screw 38 by rotating the front and rear adjustment handle 39 as shown in FIG. The front and rear adjust guide (40) was moved slowly while holding the flow to adjust the front and rear spacing. Torch (5) When the flame size and characteristics change, the current cast is 230 mm, and the upper and lower adjustments are made in consideration of the thickness of the cast as shown in FIG. Rotating the upper and lower adjustment handle (37) to adjust the upper and lower height by slowly moving the upper and lower adjust guide (35) while holding the flow through the upper and lower adjusting bearing block (36) through the upper and lower adjusting screw (34).

상기와 같은 미절단 주편 발생시 주행장치(1)와 횡행장치(2)를 인버터(84)에 연결된 Volume(83)으로 속도를 조절하여 미절단 부분에 위치하고 속도동조 장치인 Clamping장치(4)로 Clamping Switch(73)의 On(79)을 눌러 Cylinder(16)의 Clamping Side로 Air를 공급하여 Clamping 한 다음 Pendant Box(8)의 고압가스 Switch(74)를 조작하여 Torch Solenoide V/V를 On(81)하여 주편을 자르기 시작하며 잘리는 속도 를 보면서 횡행 속도를 조절하면서 절단작업을 한 다음 종료되면 Torch Solenoide V/V를 Off(82), Clamping 장치(4)인 Clamping을 Off(80)하고 주행장치(1), 횡행장치(2)를 정지한 다음 작업을 종료하는 것이다.When the uncut steel slab is generated as described above, the traveling device 1 and the traverse device 2 are controlled by the volume 83 connected to the inverter 84 to be positioned at the uncut part and clamped by the clamping device 4 which is a speed tuning device. Press On (79) of Switch (73) to supply air to Clamping Side of Cylinder (16) and clamp it, then operate High Pressure Gas Switch (74) of Pendant Box (8) to turn on Torch Solenoide V / V (81). Start cutting the slab and adjust the traverse speed while watching the cutting speed.When finished, turn off the Torch Solenoide V / V (82), and turn off the clamping device (4) (80) 1) It stops the traverse apparatus 2, and complete | finishes a job.

도 1은 슬라브를 수동으로 절단하는 장치를 나타낸 개략도.1 is a schematic view showing an apparatus for manually cutting a slab.

도 2는 본 발명에 따른 슬라브 비상 재절단장치 전체 평면도 및 측면도.Figure 2 is a top plan view and side view of the slab emergency re-cutting device according to the present invention.

도 3은 본 발명에 따른 Clamping(속도동조)장치 측면도.3 is a side view of a clamping device according to the present invention.

도 4는 본 발명에 따른　주행장치 측면도.Figure 4 is a side view of a traveling vehicle according to the present invention.

도 5는 본 발명에 따른 횡행장치 측면도.Figure 5 is a side view of the traverse device according to the present invention.

도 6은 본 발명에 따른　토치 Bunner 조절장치.Figure 6 is a torch Bunner adjusting device according to the present invention.

도 7은 본 발명에 따른 Pendant Box 단면도.7 is a cross-sectional view of a pendant box according to the present invention.

도 8은 본 발명에 따른 주행/횡행 Forward/Reverse 제어회로도.8 is a driving / traversing Forward / Reverse control circuit diagram according to the present invention.

도 9는 본 발명에 따른 Clamping장치 및 Torch 제어 회로도.9 is a clamping device and Torch control circuit diagram according to the present invention.

도 10은 본 발명에 따른 속도제어장치 회로도.10 is a circuit diagram of a speed controller according to the present invention.

도 11은 본 발명에 따른 조작방법 및 순서.　　11 is a method and procedure for operating in accordance with the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 주행장치 2 : 횡행장치1: traveling device 2: traverse device

5 : 토치 6 : 토치 전후진 조정장치5: torch 6: torch forward and backward adjustment device

7 : 토치 높낮이 장치 8 : Pendant Box7: torch height device 8: pendant box

14 : 슬라브 23 : 롤14: slab 23: roll

43 : 방열 Protection Cover43: heat dissipation protection cover

Claims (3)

연주기에서 생산되는 주편을 이동시키기 위한 롤(23)과, 상기 롤(23)에 의해서 이동되는 슬라브(14)에서 발생되는 열을 차단하기 위하여 롤(23)의 상부에 설치한 방열 Protection Cover(43)과, 상기 슬라브(14)를 절단하기 위한 토치(5)와, 상기 토치(5)를 슬라브(14)의 폭방향으로 이동시키기 위한 주행장치(1)와, 상기 주행장치(1)를 슬라브(14)의 길이 방향으로 이동시키기 위한 횡행장치(2)와, 상기 주행장치(1)및 횡행장치(2)의 동작을 제어하는 스위치가 구비된 Pendant Box(8)를 포함함을 특징으로 하는 슬라브 비상 재 절단장치.A heat dissipation protection cover 43 installed on the upper part of the roll 23 to block heat generated from the roll 23 for moving the cast steel produced by the player and the slab 14 moved by the roll 23. ), A torch 5 for cutting the slab 14, a traveling device 1 for moving the torch 5 in the width direction of the slab 14, and the traveling device 1 And a transverse device (2) for moving in the longitudinal direction of the (14), and a pendant box (8) provided with a switch for controlling the operation of the traveling device (1) and the traverse device (2). Slavic emergency recut device. 청구항 1에 있어서, 상기 주행장치(1)에는 토치(5)의 높낮이를 조절하기 위한 토치 높낮이 장치(7)가 더 설치됨을 특징으로 하는 슬라브 비상 재 절단장치.The slab emergency re-cutting device according to claim 1, wherein the traveling device (1) is further provided with a torch height device (7) for adjusting the height of the torch (5). 청구항 1에 있어서, 상기 주행장치(1)에는 토치(5)의 전후 방향을 조절하기 위한 토치 전후진 조정장치(6)가 더 설치됨을 특징으로 하는 슬라브 비상 재 절단장치.The slab emergency re-cutting device according to claim 1, wherein the traveling device (1) is further provided with a torch forward and rearward adjusting device (6) for adjusting the forward and backward directions of the torch (5).
KR1020070127038A 2007-12-07 2007-12-07 Apparatus for re-cutting slab in an emergency KR20090059937A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200034418A (en) 2018-09-21 2020-03-31 주식회사 포스코 Cutting apparatus and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200034418A (en) 2018-09-21 2020-03-31 주식회사 포스코 Cutting apparatus and method thereof

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