WO2018119549A1 - Dispositif de coulée continue à double rouleau - Google Patents

Dispositif de coulée continue à double rouleau Download PDF

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Publication number
WO2018119549A1
WO2018119549A1 PCT/CN2016/112005 CN2016112005W WO2018119549A1 WO 2018119549 A1 WO2018119549 A1 WO 2018119549A1 CN 2016112005 W CN2016112005 W CN 2016112005W WO 2018119549 A1 WO2018119549 A1 WO 2018119549A1
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WO
WIPO (PCT)
Prior art keywords
casting
trolley
continuous casting
roller
roll continuous
Prior art date
Application number
PCT/CN2016/112005
Other languages
English (en)
Chinese (zh)
Inventor
富野贵义
冈安晋平
堀井健治
于艳
张健
方园
Original Assignee
普锐特冶金技术日本有限公司
宝山钢铁股份有限公司
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 普锐特冶金技术日本有限公司, 宝山钢铁股份有限公司 filed Critical 普锐特冶金技术日本有限公司
Priority to PCT/CN2016/112005 priority Critical patent/WO2018119549A1/fr
Priority to EP16925336.6A priority patent/EP3546089B1/fr
Priority to JP2019534733A priority patent/JP6710340B2/ja
Priority to RU2019119330A priority patent/RU2720515C1/ru
Priority to CN201680091700.3A priority patent/CN110099763B/zh
Publication of WO2018119549A1 publication Critical patent/WO2018119549A1/fr

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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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
    • B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel

Definitions

  • the present invention provides a two-roll continuous casting apparatus.
  • the casting rolls when the casting rolls are deteriorated due to abrasion or the like caused by the casting operation, when the belt is changed in the bandwidth, the casting rolls may need to be replaced during maintenance or inspection of the parts.
  • Patent Document 1 listed below discloses a metal strip continuous casting apparatus including a pair of casting rolls and a pair of casting rolls attached thereto, from a standby position below one side of the casting position to an intermediate position below the casting position.
  • a roller box that is movable horizontally in the longitudinal direction of the roller, and a lifter that lifts the roller box from the intermediate position to the casting position.
  • Patent Document 1 Japanese Patent No. 4238819
  • Patent Document 2 Japanese National Fair 5-9185
  • Patent Document 1 describes a case where an indexing device that accurately positions a frame on which a casting roll is attached is described. However, the specific configuration of the indexing device is not described, and it is considered that even in the art. The technician is also unable to securely support the casting rolls in the correct position.
  • Patent Document 2 describes a case where a pair of positioning pins and a pin hole provided on a lower surface of the frame are fitted, but a change in the distance between the positioning pins corresponding to the temperature of the surrounding environment is required or Since it is used for the fitting gap of the pin or the like, there is a problem in that it is necessary to enlarge the hole diameter of the pin hole for the positioning pin, and it is difficult to firmly support the casting roller at the correct position.
  • an object of the invention is to provide a pair of casting rolls that can be easily replaced and that a pair of casting rolls can be firmly fixed at a correct position. Supported two-roll continuous casting device.
  • the pair of casting rolls can be moved from the casting position to the casting roll changing position while being mounted on the carriage, the pair of casting rolls can be easily replaced. Since the trolley can be fixed in the horizontal direction of the right angle and the axial direction of the casting roll with respect to the axis of the casting roll at the casting position, the pair of casting rolls can be firmly supported at the correct position. By the first fixing device and the second fixing device, even if a dimensional change of the trolley due to a temperature change occurs during the work, the trolley can be firmly fixed without a gap.
  • Fig. 1 is a plan view of a twin roll continuous casting apparatus according to a first embodiment of the present invention.
  • Figure 2 is a side view of the two-roll continuous casting apparatus.
  • Figure 3 is a view of the arrow III-III in Figure 2.
  • Fig. 4 is a plan view showing an enlarged casting position in the twin-roll continuous casting apparatus.
  • Fig. 5 is a side elevational view showing the casting position enlarged in the twin roll continuous casting apparatus.
  • Fig. 6 is a plan view showing an enlarged casting position in the twin-roll continuous casting apparatus according to the second embodiment of the present invention.
  • Fig. 7 is a side elevational view showing the casting position enlarged in the twin roll continuous casting apparatus.
  • Fig. 8 is an enlarged view of a line VIII in Fig. 7.
  • Fig. 9 is a front elevational view showing a casting position in the twin roll continuous casting apparatus.
  • a twin-roll continuous casting apparatus according to a first embodiment of the present invention will be described with reference to Figs. 1 to 5 .
  • Fig. 1 shows a state before the casting roller carriage is fixed by the first (casting roll axis right angle horizontal direction) fixing means and the second (casting roll axial direction) fixing means at the casting position.
  • Fig. 4 shows a state in which the casting roller carriage is fixed by the first fixing means and the second fixing means at the casting position.
  • Fig. 5 shows a state in which the casting roller carriage is fixed by the second fixing means at the casting position.
  • the casting position P1, the intermediate position P2, the casting roll replacement position P3, and the carriage moving device retraction position P4 are adjacent to each other in the order described.
  • the pair of right and left guide rails 103 and 104 are respectively the first rail main bodies 103A and 104A and the second rail main bodies 103B and 104B corresponding to the casting position P1, the intermediate position P2, the casting roll replacing position P3, and the bogie moving device retracting position P4.
  • the three rail main bodies 103C and 104C and the fourth rail main bodies 103D and 104D are configured.
  • a casting apparatus frame 102 is provided outside the first rail main bodies 103A and 104A of the guide rails 103 and 104 in the left-right direction (width direction).
  • the casting apparatus frame 102 includes a first frame main body 102a disposed on the outer right side of the first rail main body 103A of the guide rail 103, and a first one disposed in the guide rail 104 The second frame body 102b on the left side of the rail main body 104A.
  • a casting roll carriage replacing device 50 which will be described later in detail, is provided.
  • the pair of right and left guide rails 103, 104, the casting device frame 102, and the casting roller carriage changing device 50 are provided on the frame 101.
  • the foundry roller bogie 10 includes a pallet main body 11 and four wheels 13a, 13B, 14a, and 14b.
  • the wheel 13a is disposed on the side of the front end portion 11a at the right end portion 11c of the bogie body 11, and the wheel 13b is disposed on the side of the rear end portion 11b at the right end portion 11c of the bogie body 11.
  • the wheel 14a is disposed on the side of the front end portion 11a at the left end portion 11d of the bogie body 11, and the wheel 14b is disposed on the side of the rear end portion 11b at the left end portion 11d of the bogie body 11.
  • the wheels 13a and 13b are provided on the carriage main body 11 so as to be able to travel on the guide rail 103, and the wheels 14a and 14b are provided on the carriage main body 11 so as to be able to travel on the guide rails 104.
  • the pair of right and left casting rolls 1a and 1b mounted on the casting roll carriage are supported by the bearing blocks 2aa, 2ab, 2ba, and 2bb so as to be rotatable.
  • the bearing housings 2aa, 2ba are supported by the support member 3a.
  • the bearing housings 2ab, 2bb are supported by the support 3b.
  • the support members 3a, 3b are provided on the carriage body 11 of the casting roller carriage 10. These devices are disposed so as to extend in the front-rear direction of the bogie body 11 in the axial direction of the casting rolls 1a and 1b, and are disposed symmetrically in the front-rear direction and the left-right direction at the bogie body 11.
  • a cooling water passage (not shown) through which the cooling water flows is provided.
  • rotary joints 4aa, 4ab are provided, respectively.
  • the rotary joints 4aa and 4ab are connected to one end side of the hoses 5a and 5b.
  • the other end side of the hoses 5a and 5b is connected to a cooling water passage (not shown) provided in the bogie body 11.
  • rotary joints 4ba, 4bb are provided, respectively.
  • the rotary joints 4ba and 4bb are connected to the cooling water passage provided in the carriage main body 11 via a hose (not shown).
  • the cooling water passage in the carriage main body 11 is connected to the cooling water pipe 107 via the cooling water connector 106 which will be described later in detail.
  • the base end side of the cooling water pipe 107 is connected to the cooling water for discharging the cooling water to the discharge source or the like, and passes through the cooling water pipe 107, the cooling water connector 106, the cooling water passage in the carriage main body 11,
  • the hoses 5a and 5b, the rotary joints 4aa, 4ab, 4ba, and 4bb perform the supply and discharge of the cooling water to the cooling water passages in the casting rolls 1a and 1b. Thereby, the casting rolls 1a, 1b are cooled.
  • the cooling water pipe 107 is supported by a support 111 provided on the frame 101.
  • a recess 11ba having a concave shape toward the tip end portion 11a side is formed in the center of the rear end portion 11b of the bogie body 11 in the left-right direction.
  • the recessed portion 11ba is provided with a second stopper receiving member 18 that comes into contact with the distal end portion 47a of the second (casting roller axial) stopper 47 which will be described later in detail.
  • a claw portion 11e which can be locked with a hook 84 of a bogie moving device 80 which will be described later in detail is provided.
  • the bogie body 11 is provided with a through hole 11f penetrating the upper surface portion and the lower surface portion in the center in the left-right direction and the center in the front-rear direction.
  • the drive shafts 105a, 105b are supported on the frame 101 by the support members 112.
  • Drive shaft couplings 104a, 104b are provided at the tips of the drive shafts 105a, 105b.
  • the pair of right and left casting rolls 1a, 1b are coupled to the drive shafts 105a, 105b via the drive shaft couplings 104a, 104b.
  • the casting rolls 1a and 1b are relatively rotated by the drive shafts 105a and 105b.
  • the twin-roll continuous casting apparatus 100 is provided with a casting roller carriage 10 fixed at a casting position P1 at a right angle to the axis of the casting rolls 1a and 1b (hereinafter, referred to as a horizontal direction of the casting roll axis).
  • the first (the casting roller is oriented at right angles to the horizontal direction) fixture 20.
  • the first fixing device 20 includes a first pressing device main body 20A and a second pressing device main body 20B which are provided on the first frame main body 102a of the casting device frame 102.
  • the first pressing device main body 20A and the second pressing device main body 20B are each provided with a hydraulic cylinder 21 .
  • the hydraulic cylinder 21 of the first pressing device main body 20A is disposed in such a manner that when the piston rod 21a is advanced and retracted in the horizontal direction of the casting roller shaft by the supply and discharge of the working oil (working fluid) in the hydraulic cylinder 21, the table When the vehicle body 11 is placed at the casting position P1, the piston rod 21a presses against the bearing housings 2aa and 2ba in the horizontal direction of the casting roller shaft in the horizontal direction.
  • the first pressing device main body 20A includes a hydraulic oil supply and discharge device 30 that performs supply and discharge of hydraulic oil in the opposed hydraulic cylinder 21.
  • the hydraulic oil supply and discharge device 30 is provided with a hydraulic oil supply and discharge passage 31, a solenoid valve 32, and a safety valve 34.
  • the base end side and the tip end side of the hydraulic cylinder 21 of the first pressing device main body 20A are respectively connected to one end side of the first and second passages 31a and 31b of the hydraulic oil supply and exhaust passage 31.
  • a solenoid valve 32 is provided on the other end side of the first and second passages 31a and 31b.
  • the solenoid valve 32 is connected to a hydraulic oil supply source (not shown).
  • the forward and backward movement of the piston rod 21a is switched by alternately applying the supply and discharge of the hydraulic oil to the hydraulic cylinder 21 by the electromagnetic valve 32. Further, one end side of the third passage 31c of the hydraulic oil supply and discharge passage 31 is connected to the first passage 31a. On the third passage 31c, a safety valve 34 is provided.
  • the hydraulic cylinder 21 of the second pressing device main body 20B is disposed in such a manner that the piston rod 21a advances and retreats in the horizontal direction of the casting roller shaft in a horizontal direction by the supply and discharge of the working oil (working fluid) into the hydraulic cylinder 21, and When the carriage main body 11 is placed at the casting position P1, the piston rod 21a presses a portion opposed to the bearing housings 2ab and 2bb in the horizontal direction of the casting roller shaft in the horizontal direction.
  • the second pressing device main body 20B includes the same hydraulic oil supply and discharge device as the first pressing device main body 20A.
  • the pressing force F1A of the piston rod 21a of the first pressing device main body 20A and the pressing force F1B of the piston rod 21a of the second pressing device main body 20B are respectively adjusted to a predetermined size.
  • the pressing force is excessive, the hydraulic oil is discharged through the relief valve 34, and the truck body 11 is pressed at an appropriate size (predetermined size).
  • other means such as an accumulator may be employed.
  • the side protrusions 15a, 15b, 16a, and 16b which protrude to the side outer side are respectively provided in the right side end part 11c and the left side end part 11d of the trolley main body 11.
  • the side protruding portions 15a, 15b, 16a, 16b are, for example, the same material as the casting roll carriage 10, and are preferably made of steel.
  • the side protruding portions 15a and 16a are disposed at a position facing the piston rod 21a of the first pressing device main body 20A in the horizontal direction of the casting roller shaft in the horizontal direction.
  • the side protruding portions 15b and 16b are disposed at a position facing the piston rod 21a of the second pressing device main body 20B in the horizontal direction of the casting roller shaft in the horizontal direction. Therefore, the amount of advance and retreat of the piston rod 21a of the first pressing device main body 20A and the amount of advance and retreat of the piston rod 21a of the second pressing device main body 20B can be reduced.
  • spacers (first stoppers) 121a and 121b are provided on the second frame main body 102b.
  • the spacer 121a is disposed to face the side protruding portion 16a.
  • the spacer 121b is disposed to face the side protruding portion 16b.
  • the twin-roll continuous casting apparatus 100 includes a second fixing device 40 that fixes the casting roller carriage 10 at the casting position P1 and in the axial direction of the casting rolls.
  • the second fixing device 40 is provided with a hydraulic cylinder 41, a connecting member 44, and a second stopper 47.
  • the connecting member 44 is fixed to the frame 101 via the bracket 43 via the bracket 46, and is fixed to the distal end portion of the piston rod 41a of the hydraulic cylinder 41 via the shaft 42. Hydraulic The cylinder 41 is fixed to the frame 101 by a bracket 45.
  • the hydraulic cylinder 41 is connected to a hydraulic oil supply and discharge device (not shown), and the hydraulic oil supply and discharge device performs the supply and discharge of the hydraulic oil (working fluid) into the hydraulic cylinder 41, so that the distal end portion of the piston rod 41a is Advance and retreat in the up and down direction.
  • the second fixing device 40 includes a hydraulic oil supply and discharge device similar to the first pressing device main body 20A.
  • the distal end portion of the piston rod 41a extends upward by the shaft body 43, whereby the connecting member 44 rotates with the shaft body 43 as an origin, and the distal end portion 44a provided on the connecting member 44 moves the trolley at the casting position P1.
  • the connecting member receiving member 17 of the front end portion 11a of the main body 44 is pressed in the axial direction of the casting roll.
  • the second stopper 47 is disposed on the frame 101.
  • the second stopper 47 is disposed in such a manner that the tip end portion 47a and the recessed portion 11ba provided on the carriage main body 11 are disposed when the casting roller bogie 10 is disposed at the casting position P1 and is pressed by the connecting member 44.
  • the second stopper receiving member 18 is in contact. Thereby, by pressing the carriage main body 11 by the connecting member 44, the casting roller bogie 10 is fixed at the casting position P1 and in the axial direction of the casting rolls by the connecting member 44 and the second stopper 47.
  • the pressing force F2 of the connecting member 44 of the piston rod 41a of the second fixing device 40 is adjusted to a predetermined size.
  • the pressing force is excessive, the working oil is discharged through the safety valve of the hydraulic oil supply and discharge device provided in the second fixing device 40, and the truck body 11 is pressed with an appropriate size (predetermined size). .
  • the casting roll cart changing device 50 includes a support base 52 having carriage mounting portions 52a and 52b on which two casting roller carriages can be mounted in parallel.
  • the support table 52 is provided to be movable along the guide rails 51a, 51b on the table 51 at the frame 101C provided at the casting roll changing position P3.
  • the stage 51 is formed in a shape extending in a horizontal direction with respect to the extending direction of the guide rails 103, 104.
  • wheels 53a, 53b, 53c that travel on the guide rails 51a, 51b are provided, respectively.
  • the proximal end side of the side effector actuator 54 is fixed to the upper protruding member 57 fixed to the end of the stage 51 via the bracket 56.
  • the distal end portion of the shaft body 54a that is advanced and retracted by the side effector actuator 54 is fixed to the support base 52 via the bracket 55.
  • the support base 52 of the casting roller carriage replacing device 50 is movable in the direction A2, and the one of the trolley mounting portions 52a is positioned at the casting roller carriage replacement position P3B, and the one of the trolley mounting portions 52a and The position where the casting roller carriage 10 is moved between the casting position P1 via the intermediate position P2 and the other trolley mounting portion 52b are positioned at the casting roller carriage replacement position P3B on the other carriage mounting portion 52b The position where the casting roller carriage 10 is moved between the casting position P1 and the casting position P2 is moved.
  • the other bogie mounting portion 52b When the other bogie mounting portion 52b is positioned at the casting roller bogie replacement position P3B, one of the bogie loading portions 52a is positioned at the new casting roller bogie mounting position P3A.
  • the other trolley mounting portion 52b When one of the trolley mounting portions 52a is positioned at the casting roller carriage replacement position P3B, the other trolley mounting portion 52b is positioned at the casting roller trolley retracting position P3C.
  • the new casting roll bogie mounting position P3A, the casting roll bogie replacement position P3B, and the casting roll bogie retracting position P3C are adjacent to each other in the order described.
  • the table 51, the guide rails 51a and 51b, the wheels 53a, 53b, and 53c, the upper projecting member 57, the bracket 56, the shifter actuating actuator 54, the shaft body 54a, and the bracket 55 constitute a support table moving device.
  • the trolley moving device 80 has a trolley moving device main body 81, four wheels 82a, 82b, 83a, 83b, and a hook 84.
  • the four wheels 82a, 82b, 83a, 83b are provided on the carriage moving device main body 81 so as to be able to travel on the guide rails 103, 104.
  • the hook 84 is provided on the bogie moving device main body 81 and has a shape that can be engaged with the claw portion 11e of the casting roller bogie 10. Further, the wheels 82a, 82b, 83a, and 83b of the trolley moving device 80 are rotationally driven by a driving device (not shown) such as a motor.
  • the trolley moving device 80 can span the intermediate position P2, the casting roller changing position P3, and the trolley moving device
  • the rails 103 and 104 are moved while avoiding the position P4. Therefore, when the claw portion 11e of the casting roller carriage 10 is locked by the hook 84 of the carriage moving device 80, the casting roller carriage 10 can be moved in the direction A1, and at the casting position P1, the intermediate position P2, the casting roller Move at the replacement position P3.
  • the support base 52 is disposed at the casting roller carriage replacement position P3B adjacent to the casting position P1 via the intermediate position P2 at the other carriage mounting portion 52b.
  • a casting roller (new casting roller) 10C1 is mounted on the trolley mounting portion 52a, and new casting rolls 1a and 1b are mounted on the casting roller (new casting roller) 10C1.
  • the fixing of the casting roller carriage 10 by the first fixing device 20 is released, and the fixing of the casting roller carriage 10 by the second fixing device 40 is released.
  • the hydraulic oil of the hydraulic cylinder 21 is supplied to the hydraulic cylinder 21 and the second pressing device main body 20B by the first pressing device main body 20A, and the piston rods 21a and 21a of the respective device main bodies 20A and 20B are contracted.
  • the fixing of the casting roller carriage 10 in the horizontal direction of the casting roller shaft in the right angle direction is released.
  • the hydraulic oil of the hydraulic cylinder 41 of the second fixing device 40 is fed and discharged, whereby the piston rod 41a is contracted, and the connecting member 44 is rotated.
  • the fixing of the casting roller carriage 10 in the axial direction of the casting roll is released.
  • the casting roller cart (replacement target casting roller bogie) 10 on which the casting rolls 1a and 1b to be replaced are mounted is moved from the casting position P1 to the casting roll replacing position P3 by the carriage moving device 80.
  • the replacement target casting roller bogie 10 is disposed on the other bogie mounting portion 52b of the support base 52 of the casting roller bogie replacement device 50.
  • the connection of the drive shafts 105a and 105b, the cooling water pipe 107, and the like is automatically released.
  • the new casting roll carriage 10C1 mounted on one of the trolley mounting portions 52a moves on the support base 52 so as to be placed at the casting roller carriage replacement position P3B.
  • the guide rails 103C1 and 104C1 on one of the support stages 52a of the support base 52 are linear with the second rail main bodies 103B and 104B at the intermediate position P2 and the fourth rail main bodies 103D and 104D of the moving device retracted position P4. The way is to move on the support table 52.
  • the replacement casting roller cart 10 mounted on the other bogie mounting portion 52b of the support base 52 is positioned at the casting roller bogie retracting position P3C.
  • the new casting roll truck 10C1 is moved from the casting roll carriage changing position P3B to the casting position P1 by the trolley moving device 80.
  • the drive shafts 105a and 105b, the cooling water pipe 107, and the like are automatically coupled.
  • the new casting roll carriage 10C1 is fixed by the first fixing device 20 in the horizontal direction of the casting roll right angle, and the new casting roll table 10C1 is fixed by the second fixing device 40 in the axial direction of the casting roll. Thereby, the new casting roll carriage 10C1 is more accurately placed on the casting position P1.
  • the twin-roll continuous casting apparatus 100 includes a pair of casting rolls 1a and 1b having a cooling function and rotating in the mutual direction, and a pair of casting rolls 1a and 1b and driving on the guide rail.
  • the casting roller carriage 10 on the 103, 104, and the guide rails 103, 104 extend from the casting position P1 to the casting roller replacement position P3, so that the casting roller carriage 10 on which the pair of casting rolls 1a, 1b are mounted can be in the casting position P1
  • the movement is performed between the casting roll changing position P3, and the pair of casting rolls 1a, 1b can be easily replaced.
  • the casting roll carriage 10 is fixed in the axial direction, so that the pair of casting rolls 1a, 1b can be firmly supported at the correct position.
  • the first pressing device main body 20A and the second pressing device main body 20B and the second fixing device 40 provided in the first fixing device 20 respectively have pistons of the hydraulic cylinders 21, 21, 41 that advance and retreat by the supply and discharge of the hydraulic oil.
  • the rods 21a, 21a, 41a, the hydraulic oil supply and discharge passages 31, 31, 31 for supplying the hydraulic oil to the hydraulic cylinders 21, 21, 41, and the pair of working oil supply and discharge passages 31, 31, 31 are disposed.
  • the relief valves 34, 34, and 34 that suppress the large pressure can cause the thrust of a predetermined magnitude to be imparted to the casting roller carriage 10 even if the size of the apparatus changes due to a temperature change, so that it is disposed correctly at the casting position P1.
  • the location. That is, the pair of casting rolls 1a and 1b can be firmly supported at the correct position.
  • the piston rod 21a of the first pressing device main body 20A is disposed so as to face the bearing housings 2aa and 2ba in the width direction of the casting roller carriage 10 (the horizontal direction of the casting roller shaft in the horizontal direction), and the piston of the second pressing device main body 20B
  • the rod 21a is disposed so as to face the bearing housings 2ab and 2bb in the width direction of the casting roller carriage 10 (the horizontal direction of the casting roller axis in the horizontal direction), so that the reduction in the positioning accuracy of the casting rolls 1a and 1b can be suppressed.
  • the side protrusions 15a, 15b, 16a, 16b are in contact with the piston rod 21a of the first pressing device body 20A.
  • the opposing manner is disposed, and the side protruding portions 15b and 16b are disposed to face the piston rod 21a of the second pressing device main body 20B, thereby being able to be compared with the case where the side protruding portions are not present.
  • the amount of advance and retreat of the piston rod is reduced.
  • a casting roller trolley replacing device 50 for replacing the casting roller carriage with another casting roller carriage is provided, and the casting roller trolley replacing device 50 has the support base 52 and the side shifter operation actuator 54
  • the vehicle changing device 50 itself has a relatively simple structure, and it is easy to replace the casting rolls 1a and 1b.
  • the support table 52 has the bogie mounting portions 52a and 52b in which two casting roll bogies can be mounted in parallel, and the side shifter operates. The position at which the casting roller carriage 10 moves between one of the carriage mounting portions 52a of the support base 52 and the casting position P1, and the other carriage mounting portion 52b and the casting position of the support base 52. At a position where the casting roller carriage 10 is moved between P1, the support table 52 is moved.
  • a twin-roll continuous casting apparatus according to a second embodiment of the present invention will be described with reference to Figs. 6 to 9 .
  • This embodiment is a structure in which a third (up-and-down direction) fixing device is added to the twin-roll continuous casting apparatus of the first embodiment shown in Fig. 1 .
  • the other configurations are substantially the same as those of the above-described devices shown in FIGS. 1 to 5, and the same reference numerals are given to the same devices, and the overlapping description will be appropriately omitted.
  • Fig. 6 shows a state in which the casting roller carriage is fixed by the first fixing device and the second fixing device at the casting position.
  • Fig. 7 shows a state in which the casting roller carriage is fixed by the second fixing means at the casting position.
  • the twin-roll continuous casting apparatus 100A further includes a third fixing device 60 .
  • the third fixing device 60 includes a first pressing device main body 60A and a second pressing device main body 60B.
  • the first pressing device main body 60A includes a hydraulic cylinder 61 that is fixed to the first frame main body 102a by a bracket 62.
  • the hydraulic cylinder 61 of the first pressing device main body 60A is disposed such that the piston rod 61a is vertically moved forward and backward.
  • the second pressing device main body 60B includes a hydraulic cylinder 61 that is fixed to the second frame main body 102b by the bracket 62.
  • the hydraulic cylinder 61 of the second pressing device main body 60B is disposed such that the piston rod 61a is vertically moved forward and backward.
  • Each of the first pressing device main body 60A and the second pressing device main body 60B includes a hydraulic oil supply and discharge device similar to the first pressing device main body 20A.
  • the pressing force F3A of the piston rod 61a of the first pressing device main body 60A and the second pressing device The pressing force F3B of the piston rod 61a of the main body 60B is adjusted to a predetermined size, respectively.
  • the hydraulic oil working fluid
  • the hydraulic oil supply and discharge device provided in each of the first and second pressing device bodies 60A and 60B, and is appropriately sized ( The predetermined size) is pressed against the main body 11 of the vehicle.
  • the hydraulic cylinders 61 of the first pressing device main body 60A are disposed adjacent to the side protruding portions 15a and 15b, respectively.
  • the hydraulic cylinder 61 of the second pressing device main body 60B is disposed adjacent to the side protruding portions 16a and 16b, respectively.
  • the twin-roll continuous casting apparatus 100A has a casting roller carriage 10A, and the casting roller carriage 10A is adjacent to the wheels 13B and 14b.
  • the side end portions 11c and 11d of the carriage main body 11 are respectively provided with Wheels 13c, 14c. That is, the foundry roller cart 10A has six wheels 13a, 13b, 13b, 14a, 14b, and 14c.
  • the first rail main body 103A of the guide rail 103 is provided with recesses 103Aa, 103Ab, and 103Ac corresponding to the respective wheels 13a, 13b, and 13c.
  • a recess (not shown) is provided on the first rail main body 104A of the guide rail 104 corresponding to each of the wheels 14a, 14b, and 14c.
  • the spacer 19bb provided on the side of the bogie body 11 is placed on a pad (not shown) on the side of the frame 101. Thereby, the contact of the wheels 13a, 13b, 13c with the guide rail 103A is avoided, and the contact of the wheels 14a, 14b, 14c with the guide rail 104A is avoided.
  • spacers 19aa and 19ab and spacers 109aa and 109ab are provided corresponding to the lower side of the piston rod 61a of the hydraulic cylinder 61 of the first pressing device main body 60A, respectively.
  • spacers 19ba and 19bb are provided corresponding to the lower side of the piston rod 61a of the hydraulic cylinder 61 of the second pressing device main body 60B, respectively. Further, on the frame 101, a spacer 109ba and a spacer (not shown) are provided corresponding to the pads 19ba and 19bb.
  • the double-roll continuous casting apparatus 100A achieves the same operational effects as the above-described twin-roll continuous casting apparatus 100, and is provided with the third fixing device 60 at the casting position P1.
  • the casting roll cart 10A can be correctly disposed even in the up and down direction. Thereby, the casting rolls 1a and 1b can be firmly supported at a more accurate position.
  • the first and second pressing device bodies 60A and 60B provided in the third fixing device 60 are supplied to the hydraulic cylinders 61 and 61 by the piston rods 61A and 61a having the hydraulic cylinders 61 and 61 that advance and retreat by the supply and exhaust of the hydraulic oil.
  • the working oil supply passages 31, 31 of the working oil, and the safety valves 34, 34 provided on the working oil supply and exhaust passages 31, 31 to suppress excessive pressure, thereby changing the size of the apparatus even due to temperature changes It is also possible to impart a predetermined magnitude of thrust to the casting roll carriage 10A so as to be placed at the correct position at the casting position P1. That is, the pair of casting rolls 1a and 1b can be firmly supported at the correct position.
  • the casting roller cart 10A by supporting the casting roller cart 10A at the casting position P1 by the spacers respectively provided on the casting roll cart 10A and the frame 101, the casting roller can be more accurately aligned in the up and down direction. 10A is configured.
  • first rail main body 103A of the guide rail 103 has recesses 103Aa, 103Ab, 103Ac provided at the casting position P1 corresponding to the wheels 13a, 13B, 13c of the casting roller bogie 10A, and the first rail main body 104A of the guide rail 104 is casting At the position P1, the recessed portion provided corresponding to the wheels 14a, 14b, and 14c of the casting roller bogie 10A is provided, whereby the casting roller bogie 10A can be further accurately arranged in the vertical direction.
  • the piston rods 61A, 61a of the first and second pressing device bodies 60A, 60B pass through to the respective bearing housings
  • the first and second pressing device bodies 60A and 60B so as to press the outer sides in the width direction of the 2aa, 2ba, 2ab, and 2bb, it is possible to suppress the upper and lower sides of the casting roll table 10A caused by the rotation of the casting rolls 1a and 1b. Moving, the casting roller carriage 10A is secured in the up and down direction.
  • the casting roller carriage 10A has three wheels in the extending direction of the guide rails 103, 104, and the guide rails 103, 104 have the three wheels corresponding to the casting roller carriage 10A at the casting position P1.
  • the two-roll continuous casting apparatus 100A of the recessed part is provided, the number of the wheel and the recessed part is not limited to three in the extending direction of the guide rail, and can be four or more.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

L'invention concerne un dispositif de coulée continue à double rouleau. Le dispositif comprend un premier dispositif de fixation (20) permettant de presser un chariot à rouleaux de coulée (10) dans une direction horizontale selon un angle droit avec les axes de rouleaux de coulée (1a, 1b) de manière à fixer le chariot à rouleaux de coulée dans la direction horizontale selon un angle droit avec les axes des rouleaux de coulée et un second dispositif de fixation (40) permettant de presser le chariot à rouleaux de coulée dans la direction axiale des rouleaux de coulée de manière à fixer le chariot à rouleaux de coulée dans la direction axiale des rouleaux de coulée. Le dispositif de coulée peut facilement remplacer une paire de rouleaux de coulée et peut supporter de manière fixe la paire de rouleaux de coulée dans la position correcte.
PCT/CN2016/112005 2016-12-26 2016-12-26 Dispositif de coulée continue à double rouleau WO2018119549A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/CN2016/112005 WO2018119549A1 (fr) 2016-12-26 2016-12-26 Dispositif de coulée continue à double rouleau
EP16925336.6A EP3546089B1 (fr) 2016-12-26 2016-12-26 Dispositif de coulée continue à double rouleau
JP2019534733A JP6710340B2 (ja) 2016-12-26 2016-12-26 双ロール式連続鋳造装置
RU2019119330A RU2720515C1 (ru) 2016-12-26 2016-12-26 Устройство непрерывного литья с двумя валками
CN201680091700.3A CN110099763B (zh) 2016-12-26 2016-12-26 双辊式连续铸造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/112005 WO2018119549A1 (fr) 2016-12-26 2016-12-26 Dispositif de coulée continue à double rouleau

Publications (1)

Publication Number Publication Date
WO2018119549A1 true WO2018119549A1 (fr) 2018-07-05

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PCT/CN2016/112005 WO2018119549A1 (fr) 2016-12-26 2016-12-26 Dispositif de coulée continue à double rouleau

Country Status (5)

Country Link
EP (1) EP3546089B1 (fr)
JP (1) JP6710340B2 (fr)
CN (1) CN110099763B (fr)
RU (1) RU2720515C1 (fr)
WO (1) WO2018119549A1 (fr)

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CN111299529A (zh) * 2020-03-20 2020-06-19 上海二十冶建设有限公司 一种超薄带铸辊安装方法
US11173528B2 (en) * 2017-06-16 2021-11-16 Primetals Technologies Japan, Ltd. Roll changing device

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KR100674616B1 (ko) * 2005-09-30 2007-01-29 주식회사 포스코 쌍롤식 박판 주조 장치
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CN103537641A (zh) * 2013-10-30 2014-01-29 宝山钢铁股份有限公司 一种可快速更换铸辊的双辊薄带连铸机

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11173528B2 (en) * 2017-06-16 2021-11-16 Primetals Technologies Japan, Ltd. Roll changing device
CN111299529A (zh) * 2020-03-20 2020-06-19 上海二十冶建设有限公司 一种超薄带铸辊安装方法

Also Published As

Publication number Publication date
EP3546089A1 (fr) 2019-10-02
JP6710340B2 (ja) 2020-06-17
JP2020501914A (ja) 2020-01-23
CN110099763A (zh) 2019-08-06
CN110099763B (zh) 2021-03-30
EP3546089A4 (fr) 2019-11-06
RU2720515C1 (ru) 2020-04-30
EP3546089B1 (fr) 2020-11-18

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