WO2016080631A1 - 연속주조용 세그먼트 - Google Patents

연속주조용 세그먼트 Download PDF

Info

Publication number
WO2016080631A1
WO2016080631A1 PCT/KR2015/007641 KR2015007641W WO2016080631A1 WO 2016080631 A1 WO2016080631 A1 WO 2016080631A1 KR 2015007641 W KR2015007641 W KR 2015007641W WO 2016080631 A1 WO2016080631 A1 WO 2016080631A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
hinge
hinge pin
segment
continuous casting
Prior art date
Application number
PCT/KR2015/007641
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
한병하
이충연
정희태
배일신
Original Assignee
주식회사 포스코
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to JP2017527256A priority Critical patent/JP6442058B2/ja
Priority to CN201580073097.1A priority patent/CN107206477B/zh
Publication of WO2016080631A1 publication Critical patent/WO2016080631A1/ko

Links

Images

Classifications

    • 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

Definitions

  • the present invention relates to a continuous casting segment, and more particularly, to a continuous casting segment that facilitates tilting during continuous casting.
  • the continuous casting process continuously injects molten steel into a mold of a predetermined shape, and continuously casts the reacted cast pieces into the lower side of the mold, thereby forming slabs, blooms, and billets. It is a process of manufacturing semi-finished products of various shapes such as billet).
  • FIG. 1 A schematic configuration of a general continuous casting machine in which the continuous casting process is performed and a segment provided in the continuous casting machine will be described with reference to FIG. 1.
  • a general continuous casting machine includes a ladle 10 containing molten steel refined in a steelmaking process, a tundish 20 for receiving molten steel through an injection nozzle connected to the ladle 10 and temporarily storing the molten steel; A series of molding operations are performed while cooling the unmoltened cast (1) provided at the bottom of the mold (30) and the mold (30) which is initially solidified to a predetermined shape by receiving the temporarily stored molten steel in the tundish (20). It comprises a cooling line 40 in which a plurality of segments 50 are continuously arranged to perform.
  • the segment 50 is arranged so that the plurality of rollers 53 and 54 are opposed to each other, and the upper frame 51 and the lower frame 52 and the upper frame 51 and the lower frame 52 which are spaced vertically apart from each other.
  • a plurality of tie rods 56 connected up and down, and by replacing the tie rods 56 with a piston to adjust the separation distance between the upper frame 51 and the lower frame 52 to the slab 1 It includes a plurality of hydraulic cylinder 55 for applying a pressing force.
  • the segment 50 has a pressing force on the entry and exit sides by the operation of the plurality of hydraulic cylinders 55, and by the deformation of the tie rod 56 installed between the upper frame 51 and the lower frame 52.
  • the rollers 53 and 54 provided at the entry and exit sides of the segment are arranged in an inclined form.
  • the segment 50 is inclined with respect to the lower frame 52 to which the upper frame 51 is fixed in order to press down the cast 1, and adjusts the inclination of the entry and exit sides.
  • This pressing method is called a tie rod method. do. Therefore, the slab 1 having passed through the mold 30 is pressed by the plurality of rollers 53 and 54 while being passed through the spaced space between the upper frame 51 and the lower frame 52 to be molded into a constant shape.
  • the gap between the rollers 53 and 54 provided between the upper frame 51 and the lower frame 52 of the segment is kept horizontal, the entrance roller gap is increased, the exit roller gap is reduced, or the upper frame 51 is formed. ) Is required to make the slope.
  • the segment 50 to which the tie rod method is applied is bent to the plurality of hydraulic cylinders 55 and the tie rod 56 as the upper frame 51 and the lower frame 52 are kept inclined with respect to each other. Force may occur. For this reason, there is a problem that the hydraulic cylinder 55 or tie rod 56 is broken.
  • the main object of the present invention is to provide a segment for continuous casting that can facilitate tilting during continuous casting.
  • the continuous casting segment according to the present invention includes a first frame and a second frame each provided with a plurality of rollers for pressing the cast steel; A first operating part installed in the first frame at one side of the traveling direction of the cast piece and rotatably connected to the second frame; And a second operating part installed in the first frame at the other side in the traveling direction of the cast steel and rotatably connected to the second frame.
  • the continuous casting segment according to the present invention includes a first frame and a second frame each provided with a plurality of rollers for pressing the cast steel; A first operating part installed in the first frame at one side of the traveling direction of the cast piece and having a ring part rotatably coupled to a first hinge part formed at one side of the second frame; A second operating part installed on the first frame at the other side in the traveling direction of the cast piece and having a ring part rotatably coupled to a second hinge part formed at the other side of the second frame; And a hinge pin inserted into a hinge hole of the second hinge portion or a coupling hole of a ring portion of the second operation portion, wherein the hinge pin is disposed between the hinge hole and the hinge pin or between the coupling hole and the hinge pin. It is characterized by the presence of a play that can move to this side.
  • the first frame and the second frame is provided with a plurality of rollers for pressing the cast pieces, respectively;
  • a first operating part installed in the first frame at one side of the traveling direction of the cast piece and having a ring part rotatably coupled to a first hinge part formed at one side of the second frame;
  • a second operating part installed on the first frame at the other side in the traveling direction of the cast piece and having a ring part rotatably coupled to a second hinge part formed at the other side of the second frame;
  • a hinge pin inserted into a hinge hole of the second hinge portion or a coupling hole of the ring portion of the second operation portion, wherein a bush is interposed between the hinge hole and the hinge pin or between the coupling hole and the hinge pin.
  • between the bush and the hinge pin is characterized in that there is a play that allows the hinge pin to move laterally.
  • the segment can be easily tilted during continuous casting, as well as there is an effect that can maintain the self-supporting state without falling.
  • the effect of maintaining the quality of the cast steel and improving the overall productivity is also obtained.
  • 1 is a view schematically showing the configuration of a general continuous casting machine.
  • Figure 2 is a side view showing a segment according to an embodiment of the present invention.
  • 3 and 4 are side views illustrating a state in which a segment is tilted according to an embodiment of the present invention.
  • FIG. 2 is a side view showing a segment according to an embodiment of the present invention
  • Figures 3 and 4 are one side view showing a state in which the segment is tilted according to an embodiment of the present invention.
  • the first frame 100 is provided with a plurality of rollers (110, 210) for pressing the cast (1; FIG. 1), respectively ) And the second frame 200;
  • a first operating part 300 installed on the first frame 100 at one side in the moving direction of the cast piece 1 and rotatably connected to the second frame 200;
  • a second operation part 400 installed in the first frame 100 on the other side in the moving direction of the cast piece 1 and rotatably connected to the second frame 200.
  • a continuous casting segment according to an embodiment of the present invention, a plurality of segments provided on the traveling path of the cast (1) supplied by the continuous casting process to support, pressurize and convey the upper or lower portion of the cast (1) Rollers 110, 210.
  • the segment of the present invention includes a first frame 100 and a second frame 200 for supporting the plurality of rollers (110, 210), respectively.
  • roller support blocks 120 and 220 for rotatably supporting and coupling the plurality of rollers 110 and 210 may be provided for each roller in the first frame 100 and the second frame 200.
  • the roller support blocks 120 and 220 may be provided with bearings not shown to support the rollers 110 and 210.
  • a single roller may be provided in the width direction of the cast piece 1, or may be provided as a plurality of rollers in consideration of the distribution of the load. In the case where a single roller is provided in the width direction of the cast piece 1, it is preferable that at least one pair of rollers are provided back and forth with respect to the advancing direction of the cast piece for each frame.
  • the cast 1 produced by the continuous casting process may cause cracks due to volume shrinkage or the like contained in the inclusion or solidification process included therein, the process of pressing down the cast 1 in advance.
  • the first frame 100 and the second frame 200 are kept inclined with respect to each other, and correspondingly the gap is increased by increasing the inlet roller gap of the segment and reducing the outlet roller gap. Is gradually reduced to reduce the slab (1).
  • the first operating part 300 installed on the first frame 100 on the inlet side into which the cast steel 1 flows in, and the second operating part installed on the first frame 100 on the exit side from which the cast steel 1 is discharged ( 400).
  • the operation of the first operation unit 300 and the second operation unit 400 it is possible to vary the interval to the slope between the first frame 100 and the second frame 200, using the roller ( The size of the gap between the 110, 210 will be able to be adjusted.
  • the first operating part 300 may be provided as a cylinder that operates by fluid pressure or the like, as shown in the drawing, and the first operating part 300 may include a first operating rod 310 that is elastically provided. It is included.
  • the periphery of the first operating rod 310 is surrounded by a shielding member 330 such as, for example, a corrugated pipe, so that the first operating rod 310 may be protected and foreign material may be prevented from entering. have.
  • the first operation unit 300 is installed on one side of the first frame 100, the first frame 100 may be formed with a through hole 130 provided to penetrate the first operating rod 310. have.
  • the first operating rod 310 may be connected to one side of the second frame 200 through the through hole 130 of the first frame 100.
  • the hook portion 320 may be formed at a free end of the first operating rod 310, and the ring portion 320 of the first operating rod 310 is connected to a second through a hinge pin (not shown). It may be rotatably coupled to the first hinge portion 500 formed to correspond to one side of the frame 200.
  • the second operating part 400 may also be provided as a cylinder operated by fluid pressure or the like, as shown in the drawing, and the second operating part 400 includes a second operating rod 410 that is elastically provided. do.
  • the periphery of the second operation rod 410 is surrounded by a shielding member 430 such as a corrugated pipe, for example, so that the second operation rod 410 may be protected.
  • the second operation unit 400 may be installed at the other side of the first frame 100, and the through-hole 130 provided to penetrate the second operation rod 410 may be formed in the first frame 100.
  • the second operation rod 410 may be connected to the other side of the second frame 200 through the through hole 130 of the first frame 100.
  • a ring portion 420 may be formed at a free end of the second operating rod 410, and the ring portion 420 of the second operating rod 410 may correspond to the other side of the second frame 200. It can be rotatably coupled to the formed second hinge portion 600.
  • first operating part 300 and the second operating part 400 have been illustrated and described by taking a cylinder as an example, the configuration of each operating part is not necessarily limited thereto, and any actuator operable by electricity may be applied.
  • the second hinge portion 600 is spaced apart from each other and is positioned with the ring portion 420 interposed therebetween with a pair of hinge arms 610 each having a hinge hole 612. And a hinge pin 620 inserted through the coupling hole 422 of the hinge hole 612 and the ring part 420.
  • a bush 630 may be interposed between the hinge hole 612 or the coupling hole 422 and the hinge pin 620, and the bush is between the bush 630 and the hinge pin 620 accommodated therein.
  • a clearance S through which the hinge pin 620 can move in the lateral direction (the direction perpendicular to the longitudinal axis of the hinge pin) simultaneously with the rotation.
  • the size of the clearance S is not specifically limited, It is good to exceed 0 and 20 mm or less.
  • the hinge pin 620 between the hinge hole 612 and the hinge pin 620 or between the coupling hole 422 and the hinge pin 620 without the bush.
  • this rotation there may be a play S that can move laterally (in a direction perpendicular to the longitudinal axis of the hinge pin).
  • the first operating part 300 extends more than the second operating part 400, or as shown in FIG. 4, the second operating part 400 is moved.
  • the first actuating rod 310 of the first actuating part 300 rotates with the hinge pin of the first hinge part 500 as the center of rotation, and the second actuation
  • the second operation rod 410 of the unit 400 is rotated around the hinge pin 620 of the second hinge portion 600 and moved laterally in FIG. 6, so that the second operating rod 410 does not generate bending force.
  • the operation unit 400 will be able to stretch and rotate smoothly.
  • the first frame 100 rotates the first hinge part 500 of the second frame 200 to the rotation center and tilts it.
  • a lubricant such as grease is filled between the bush 630 and the hinge pin 620 to ensure smooth rotation and movement of the hinge pin 620.
  • various types of sealing members 640 may be interposed between the hinge hole 612 or the coupling hole 422 and the hinge pin 620 to prevent the inflow of foreign matter or lubricant.
  • the cover 650 which serves as a cover to prevent the inflow of foreign matter, and serves as a stopper for preventing the release of the hinge pin 620.
  • 660 may be installed. Each cover 650, 660 is fixed with a fixing screw 656 around the hinge hole 612 of the hinge arm 610.
  • first hinge part 500 may have the same configuration as that of the second hinge part 600 described above. However, since there is no play for the hinge pin to move, the first operation rod 310 of the first operation unit 300 may rotate only by using the hinge pin of the first hinge unit 500 as the rotation center.
  • the center of the roller 210 is located on the vertical surface passing through the axis center of each hinge pin in the first hinge portion 500 or the second hinge portion 600.
  • the center of the roller 210 is located on the vertical surface passing through the axis center of each hinge pin in the first hinge portion 500 or the second hinge portion 600.
  • the first frame 100 and the second frame 200 are easily tilted by changing their inclination as the corresponding operating rods 310 and 410 are stretched and contracted by hydraulic pressure supplied to the respective operation units 300 and 400. Can be.
  • the roller gap between the first frame 100 and the second frame 200 may be adjusted according to the variation of the inclination, and a pressing force may be applied to the slab 1 passing through the plurality of rollers by using the roller gap.
  • the second operation unit 400 may be extended to be smaller than the first operation unit 300. Accordingly, the second operation unit 400 may be located at the exit of the first frame 100 and the second frame 200. Since the gap between the rollers 110 and 210 is smaller than the gap between the rollers 110 and 210 located at the mouth side, the pressing process of the slab 1 can be carried out.
  • the operating rods (310, 410) and the operating rods 300, 400 of the first frame 100 and the second frame 200 is disposed inclined Rotation is made between the second frames 200, and thus there is no bending force, thereby preventing damage to the apparatus.
  • the first operating part 300 is rotatable at one place, and the second operating part 400 is provided at one place to be rotatable and movable.
  • each of the operating parts 300 and 400 rotates with the second frame 200. It is possible, but the rotation is not made with the first frame 100 is limited. As a result, the first frame 100 may maintain a self-supporting state that does not fall with respect to the second frame 200.
  • the segment can be easily tilted, and can be maintained freely without falling down, which is useful for continuous casting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Metal Rolling (AREA)
PCT/KR2015/007641 2014-11-21 2015-07-22 연속주조용 세그먼트 WO2016080631A1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017527256A JP6442058B2 (ja) 2014-11-21 2015-07-22 連続鋳造用セグメント
CN201580073097.1A CN107206477B (zh) 2014-11-21 2015-07-22 连铸用扇形段

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140163455A KR101630962B1 (ko) 2014-11-21 2014-11-21 연속주조용 세그먼트
KR10-2014-0163455 2014-11-21

Publications (1)

Publication Number Publication Date
WO2016080631A1 true WO2016080631A1 (ko) 2016-05-26

Family

ID=56014130

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/007641 WO2016080631A1 (ko) 2014-11-21 2015-07-22 연속주조용 세그먼트

Country Status (4)

Country Link
JP (1) JP6442058B2 (zh)
KR (1) KR101630962B1 (zh)
CN (1) CN107206477B (zh)
WO (1) WO2016080631A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101908802B1 (ko) * 2016-12-19 2018-10-16 주식회사 포스코 연속주조용 세그먼트 및 이를 포함하는 연속주조장치
KR102321302B1 (ko) * 2019-12-02 2021-11-02 주식회사 포스코 연속주조용 세그먼트 및 이를 포함하는 연속주조장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008200727A (ja) * 2007-02-21 2008-09-04 Kobe Steel Ltd 鋳片引抜装置
KR100960692B1 (ko) * 2009-10-26 2010-05-31 강정화 제철소용 압연기의 압연롤러 승강장치 및 이에 적용되는 센서 어셈블리
KR20130070058A (ko) * 2011-12-19 2013-06-27 주식회사 포스코 연속주조용 세그먼트

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0318040Y2 (zh) * 1987-07-16 1991-04-16
CN2865930Y (zh) * 2006-01-25 2007-02-07 中冶赛迪工程技术股份有限公司 一种扇形段
CN201410546Y (zh) * 2009-06-19 2010-02-24 中冶赛迪工程技术股份有限公司 一种扇形段
JP5472857B2 (ja) * 2010-04-23 2014-04-16 新日鉄住金エンジニアリング株式会社 連続鋳造設備のガイドロールセグメント
CN202447620U (zh) * 2011-12-08 2012-09-26 武汉重冶重工科技有限公司 板坯连铸机扇形段设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008200727A (ja) * 2007-02-21 2008-09-04 Kobe Steel Ltd 鋳片引抜装置
KR100960692B1 (ko) * 2009-10-26 2010-05-31 강정화 제철소용 압연기의 압연롤러 승강장치 및 이에 적용되는 센서 어셈블리
KR20130070058A (ko) * 2011-12-19 2013-06-27 주식회사 포스코 연속주조용 세그먼트

Also Published As

Publication number Publication date
KR101630962B1 (ko) 2016-06-16
CN107206477A (zh) 2017-09-26
KR20160061515A (ko) 2016-06-01
JP2017535433A (ja) 2017-11-30
JP6442058B2 (ja) 2018-12-19
CN107206477B (zh) 2019-08-13

Similar Documents

Publication Publication Date Title
CN102046308B (zh) 连铸坯导引扇形段
CA2659989A1 (en) Method of and apparatus for guiding an incompletely solidified metal strip
WO2016080631A1 (ko) 연속주조용 세그먼트
WO2017073950A1 (ko) 주조기의 롤 갭 측정장치
US3558256A (en) Apparatus for the continuous casting of metals
CN102083572A (zh) 铸造具有方坯或大方坯横截面的金属连铸坯的连铸设备
US4131154A (en) Roller apron for a continuous casting installation for steel
JPS60118361A (ja) 連続鋳造における丸鋳片用支持案内装置
WO2017052030A1 (ko) 주편의 연속 주조 방법
KR101908802B1 (ko) 연속주조용 세그먼트 및 이를 포함하는 연속주조장치
CA1050721A (en) Roller apron for continuous casting plant
US8579012B2 (en) Continuous casting apparatus for casting strip of variable width
KR20190126333A (ko) 슬래브의 반연속 주조 설비 및 그 방법
KR101197850B1 (ko) 연속 주조용 가이드장치
WO2011093595A2 (ko) 소재속도 측정장치
KR20160068038A (ko) 벤더 세그먼트 승강장치
KR101411372B1 (ko) 연속주조기용 세그먼트
WO2013094972A1 (ko) 연주 설비
KR20160087598A (ko) 연주기 세그먼트용 측정장치 및 이를 이용한 연주기 세그먼트용 측정 설비
WO2018117698A1 (ko) 연속 주조 장치 및 방법
KR20210051247A (ko) 연속 주조용 세그먼트 모니터링 방법
CZ288903B6 (cs) Pásová kokila pro zařízení na kontinuální lití
KR102309266B1 (ko) 중량체반전용 회전장치
IT201800005890A1 (it) Dispositivo di oscillazione per una lingottiera di un impianto per la produzione di acciaio in colata continua
IT201800011025A1 (it) Metodo di realizzazione di un apparato di colata continua ed apparato di colata continua cosi’ ottenuto

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15861136

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2017527256

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15861136

Country of ref document: EP

Kind code of ref document: A1