EP2367651B1 - Giessrohr, vorrichtung zur handhabung des rohrs und ventilansteuervorrichtung - Google Patents

Giessrohr, vorrichtung zur handhabung des rohrs und ventilansteuervorrichtung Download PDF

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Publication number
EP2367651B1
EP2367651B1 EP09763841A EP09763841A EP2367651B1 EP 2367651 B1 EP2367651 B1 EP 2367651B1 EP 09763841 A EP09763841 A EP 09763841A EP 09763841 A EP09763841 A EP 09763841A EP 2367651 B1 EP2367651 B1 EP 2367651B1
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EP
European Patent Office
Prior art keywords
tube
valve
shroud
piston
ladle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09763841A
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English (en)
French (fr)
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EP2367651A1 (de
Inventor
Vincent Boisdequin
Mariano Collura
Jeffrey Butts
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Vesuvius Group SA
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Vesuvius Group SA
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
Priority claimed from EP09008451A external-priority patent/EP2301693A1/de
Application filed by Vesuvius Group SA filed Critical Vesuvius Group SA
Priority to EP09763841A priority Critical patent/EP2367651B1/de
Priority to SI200930491T priority patent/SI2367651T1/sl
Priority to PL09763841T priority patent/PL2367651T3/pl
Publication of EP2367651A1 publication Critical patent/EP2367651A1/de
Application granted granted Critical
Publication of EP2367651B1 publication Critical patent/EP2367651B1/de
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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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle
    • 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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/106—Shielding the molten jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles

Definitions

  • the present invention relates to the technical field of continuous casting of liquid metal and in particular relates to a jet protection tube designed to prevent the reoxidation of said metal during its transfer from an upper metallurgical vessel to a lower metallurgical vessel and than a handling device for such a tube.
  • a liquid metal casting plant including liquid steel, for transferring liquid metal from a ladle to a tundish, for distributing the liquid metal in casting molds.
  • a cylindrical tube is generally used, called a jet protection tube, which is held pressed against a valve for regulating the pouring, arranged at the bottom of the ladle.
  • the control valve called the “slide valve”
  • the control valve is provided with two superposed plates, sliding relative to each other so that the valve can take a closed configuration, during which the ladle can be moved, and an open configuration, allowing liquid to pass for its transfer into the tundish.
  • the passage of the valve in closed configuration or in open configuration is actuated by drive means, often in the form of a hydraulic cylinder. So that they are arranged closer to the valve, the drive means are reported, at the moment when the bag arrives near the distributor, on the ladle, or directly on the valve.
  • the pouring tube is also brought down below the valve, by holding it against the lower plate or a nozzle, like a collecting nozzle, prolonging it .
  • the operation of holding the pouring tube against the valve may be provided manually or automatically, through a handling device disposed on the floor of the installation.
  • the present invention is intended in particular to provide a handling device of the jet protection tube for maintaining the tube as close to the control valve, while limiting the number of operations to be performed during the casting process.
  • the subject of the invention is a device for handling a jet protection tube for the casting of liquid metal, comprising means for holding the tube, downstream of a valve for regulating the casting of metal.
  • valve which can take an open configuration and a closed configuration under the action of drive means, characterized in that the handling device comprises fastening means to the drive means of the valve.
  • the tube handling device is located on the floor of the installation, but directly on the drive means of the control valve.
  • the drive means are disposed on the control valve, or in its close vicinity, the tube handling device is located as close to the surface of the valve against which the tube is to be plated, or closer to the casting nozzle disposed on the valve.
  • both the drive means and the tube handling device are assembled on the ladle.
  • the force required to maintain the jet protection tube against the ladle is essentially transmitted via the lugs.
  • these lugs are likely to deform and must be frequently replaced.
  • this solution is no longer optimal.
  • the support of the tube has several degrees of freedom (pendulum pivoting on the axis defined by the lugs and pivoting along the axis of the holding arm).
  • these degrees of freedom should be controlled. This can be done either by motorizing the device or by a set of stops. In both cases, this involves additional complexity.
  • a jet protection tube having a hemispherically shaped lower end (see, for example, JP-A1-57-115968 ).
  • This hemispherical shape is advantageous when using a handling device of the jet protection tube disposed on the floor of the installation. Indeed, in this case, the position of the pocket relative to the floor of the installation and therefore with respect to the handling device can not be determined accurately. It is therefore essential to leave the tube enough degrees of freedom (in translation, thanks to the manipulator arm and in rotation thanks to the hemispherical shape of the lower end of the gripping head) so that it can take a correct alignment on the collecting nozzle at the time of nesting. Such freedom is not necessary in the case of a handling device as described above.
  • the pouring ladle After having attached the jet protection tube to the valve (for example, by fitting it on the collecting nozzle), the pouring ladle is lowered and the lower end of the protective tube is thus immersed in the steel bath. , so that is exerted on the end bottom of the tube a vertical push upwards (ferrostatic thrust).
  • the upper end of the jet protection tube is retained by the tube holding means and the valve so that the ferrostatic thrust can not raise the protection tube along its longitudinal axis tends to tilt the latter and to break its alignment. on the other portions of the pouring channel.
  • this misalignment is responsible for premature wear of the inside of the jet protection tube, turbulence in the steel flow that can create vortex currents in the tundish and, in the extreme, a disengagement the tube of the collector nozzle or damage to the protection tube or the collector nozzle at their nesting.
  • the invention also relates to a tube, said jet protection tube, for the flow of liquid metal from a ladle to a metal distributor, the tube having a gripping head of the tube.
  • an object of the present invention is the provision of a jet protection tube better adapted to the device described above.
  • the jet protection tube is essentially displaced in a vertical plane defined both by the longitudinal axis of the tube and the direction of the holding arm of said tube in the device. Therefore, it is essential to maintain a certain freedom of alignment of the jet protection tube in this plane while it would be desirable to limit the movements in the directions not included in this plan.
  • the present invention therefore also relates to a jet protection tube for the flow of liquid metal from a ladle to a metal distributor, the tube having a longitudinal axis and comprising a gripping head of the tube at one end. .
  • the lower part of this gripping head is fusiform.
  • a fusiform or spindle shaped gripping head therefore comprises at its lower part, a surface which is a portion of a surface of revolution (whose axis of revolution corresponds to the axis of rotation). main pivoting of the jet protection tube).
  • the surface of revolution is defined by a succession of concentric circles centered on the axis of revolution.
  • the concentric circles may have the same radius, from one end to the other of the axis of revolution (the spindle will then have the shape of a cylinder) or a variable radius (increasing and decreasing) from one end to the other of the axis of revolution (the spindle may take the form of the joining of two truncated cones at the level of their large base or, again, a spheroidal shape ).
  • the curvature of the spindle determines the amplitude of pivoting along a secondary pivot axis (perpendicular to the main pivot axis and in the main pivot plane).
  • the gripping head is shaped so as to allow pivoting of the tube along a main axis, called the main pivot axis, perpendicular to the longitudinal axis of the tube and, optionally, along a secondary axis, called the secondary pivoting axis, also perpendicular to the longitudinal axis of the tube, the main and secondary pivot axes being perpendicular to each other; in this case, advantageously, the two pivot axes are left.
  • the fusiform gripping head allows pivoting of the tube in a main plane (defined by the main axis of pivoting). and the longitudinal axis of the tube) and, optionally, but in any case to a lesser extent, in a secondary plane (defined by the secondary pivot axis and the longitudinal axis of the tube) perpendicular to the first.
  • Such a shape allows a pendulum movement of the tube in a plane perpendicular to the pivot axis and comprising the longitudinal axis of the tube. Therefore, when such a tube is used in the device described above, if it is made that this plane coincides with that defined above (including the longitudinal axis of the tube and the direction of the tube holding arm), the tube performs a pendulum movement in the plane according to which it is moved by the handling device. Therefore, this tube automatically aligns with the collector nozzle at the time of nesting. It is remarkable that this alignment can be achieved without having to mechanize the support of the tube.
  • the jet protection tube may for example have a hemicylindrical gripping head or as indicated above a gripping head of a shape corresponding to half of the joining by the base of two truncated cones. In these cases, the jet protection tube can only pivot about its main axis.
  • the gripper head of the jet protection tube has a curved spindle shape.
  • meridians lines at the intersection of the surface of the lower end of the gripping head and the plane comprising the main axis of pivoting .
  • meridians can be straight (in the very advantageous case of a cylinder), have a break (in the case of the lower end of the gripping head consisting of two truncated cones joined by their large base) or be curved ( ellipse arcs, arcs).
  • the radius of this circle may be equal to the radius of the circles concentric along the main axis, but then it is essential that the pivot axes are left.
  • the radius of the arc of the circle is significantly greater than that of the concentric circles (at the extreme, if this ray is infinite, we have a straight line and therefore, the lower part the gripping head is hemicylindrical).
  • the means for holding the tube comprise means for gripping the tube, for example in the form of a spoon provided with a tube receiving slot.
  • This spoon has the advantage of carrying the tube from below, so as to maintain it effectively, especially as it should be that the gripping means are resistant to high casting temperatures.
  • the jet protection tube is simply arranged on a fork and retained by studs that prevent it from sliding on the arms of the fork while allowing it to pivot or a solution on which the lower end of the gripping head would rest on pads, preferably at least four pads.
  • the invention further relates to a tube, called a jet protection tube, for the flow of liquid metal from a ladle to a metal distributor, characterized in that the tube comprises means for temporarily fixing the tube. spray protection on a flow control valve.
  • this jet protection tube must be kept pressed against the control valve throughout the transfer of the liquid metal from the ladle to the distributor.
  • the device for handling the tube has the particular function of exerting a force on the tube during casting, which consumes energy.
  • the tube provided with the temporary fixing means makes it possible to provide a tube requiring little energy to be kept pressed against the regulation valve.
  • the handling device does not consume energy to ensure the plating of the tube, this plating being provided by the temporary fixing means.
  • These means are removable, activatable at the beginning of the casting, deactivatable at the end of the casting, so as to release the tube relative to the valve.
  • the temporary fixing means are for example provided on a casting nozzle arranged on the valve.
  • the invention also relates to a drive device of a control valve for the casting of liquid metal.
  • the valve driving device is a hydraulic cylinder, comprising a cylinder separated into two chambers by a movable piston.
  • This piston is connected to a rigid rod connected to one of the drawers of the valve, so that the movement of the piston, under the effect of the introduction of fluid into one of the chambers, causes the displacement of the slide.
  • the hydraulic cylinder is reported in a housing provided on the valve or in the vicinity of the valve, on the ladle. Since the drive device has the outer shape of the cylinder and the rigid sliding rod extending from one of the bases of the cylinder, the drive device is generally fixed by immobilizing the cylinder in the housing. One of the walls of the housing is traversed by the rigid rod, allowing the latter to slide to drive the valve.
  • the present invention aims in particular to provide a drive device mounted particularly simply and quickly on the ladle or the regulating valve.
  • the subject of the invention is a device for driving a control valve for the casting of liquid metal, comprising a first piston making it possible to move the valve between an open configuration and a closed configuration, characterized in that it comprises a second piston for fixing the drive device relative to the valve.
  • the second piston having the function of ensuring the attachment of the drive device on the valve (or on the ladle bearing the valve), we can report the drive device regardless of the size of the housing in which he is received.
  • the second piston being movable under the effect of a hydraulic pressure, to adjust the size of the drive device, so as to eliminate or reduce the clearance between the housing and the drive device.
  • the second mobile piston allows, in a first step, to embed the drive device in a housing, allowing the presence of a game, and in a second step, to compensate the game, by moving the second piston, and thus remove the clearance between the drive device and the housing.
  • the invention also relates to the assembly of a handling device and / or a drive device and / or a jet protection tube as described above.
  • a handling device and / or a drive device and / or a jet protection tube as described above.
  • a casting installation comprises a distributor 10 for distributing liquid metal to casting molds.
  • This distributor 10 is supplied with liquid metal through ladles 12, movable above the distributor for this transfer.
  • the pocket 12 is provided with a valve 14 for regulating the casting of metal.
  • This valve 14 is composed here of a linear valve, a valve with drawers.
  • a jet protection tube 16 intended to be pressed against a pouring orifice of the valve 14, more precisely against a collecting nozzle 18 of this valve, visible on the figure 1 b.
  • the slide valve 14 is controlled by drive means 20, allowing the valve to take an open configuration, in which the two drawers are superimposed and the pour channel open, the pouring orifice 18 being able to pass liquid and a closed configuration in which the drawers of the valve 14 are offset, preventing the flow of the metal.
  • the drive means 20 comprise a hydraulic cylinder, comprising a cylinder 22 and a rigid rod 24, visible on the figure 2 .
  • the rod 24 is connected on the one hand to a piston sliding inside the cylinder 22, and on the other hand to the valve 14, so as to control the movement of one of its drawers.
  • the casting installation further comprises a device 26 for handling pocket tubes such as the tube 16.
  • This device 26 comprises means for holding the tube, here comprising an arm 28, extended by gripping means, composed of a fork.
  • the fork 30 has two notches 31, each defining a mushroom-shaped recess. These notches 31 form gripping means of the tube 16, as described below.
  • the device further comprises a protective cover 33 pierced with an opening disengaging the casting channel in order to protect the device from possible projections of steel.
  • the handling device 26 further comprises means 32, 34 for attaching the drive means 20 to the valve 14. More specifically, these fixing means comprise, in the example of the Figures 1a to 2d , a cylinder 32, inside which a support 34 is movably mounted, moving with the rigid rod 24. This support 34 is arranged so that the handling device 26 follows the movement imposed by the drive means 20 in other words, the movement of the device 26 is slave to the movement of the rigid rod 24, sliding with the piston of the cylinder 22 to control the opening or closing of the valve.
  • the handling device 26 further comprises means 36 to 50 for driving the tube holding means 16.
  • the drive means comprise a hydraulic rotary motor 36, rotating a shaft 38 itself driving a first rod 40 and a second connecting rod 42, parallel, interconnected by the end 44 of the holding arm 28.
  • the drive means of the arm 28 comprise four axes of rotation 38, 46, 48, 50 (see figure 2a ), defining the vertices of a deformable parallelogram.
  • the different forms of the parallelogram are represented on the Figures 2a to 2d this deformation being controlled by the motor 36.
  • the handling device 26 can take a casting position, represented on the figure 1a wherein the tube 16 is pressed against the valve 14; a loading position, represented on the figure 1b wherein the tube 16 is lowered relative to the casting position, and freeing space to allow an outside robot to load the tube 16 on the device 26; and a waiting position, or safety position, visible on the figure 1c , in which the tube is released from the casting orifice of the valve 14, but at a height high enough to prevent splashes escaping from the pouring orifice can be deposited on the upper surface of the tube 16.
  • the casting, loading and waiting positions define a U in the plane parallel to the height of the installation and the axis of the cylinder 22, the casting positions ( figure 1 a) and waiting ( Figure 1 (c) defining the upper ends of the two branches of the U, and the loading position ( Figure 1 (b) lying in the lower part of the U.
  • the jet protection tube 16 is a cylindrical tube of revolution, defining a flow channel 52, and provided at its upper end 54 with a gripping head 56a.
  • the head gripper 56a comprises gripping means by the holding means 28, 30, comprising in this example lugs intended to be introduced into the notches 31, being retained in the notches by gravity.
  • the gripping head of the tube may be provided with notches cooperating with fingers 63 supported by the fork 30.
  • the tube 16 further comprises means for orienting the tube 16 along its vertical axis, represented on the figure 2 .
  • These orientation means take the form of fins 58 distributed around the circumference of the tube, spaced in this example by 90 °, and allowing a robot or the handling device to grasp the tube 16 in different orientations during its lifetime. .
  • the bag 12 arrives, with the valve 14 on board, close to the distributor 10.
  • the drive means 20 are then reported on the valve 14, associated with the handling device 26.
  • the device 26 does not yet carry tube and is in the loading position illustrated on the figure 1b , or on the figure 2b .
  • the device 26 is then reported with a jet protection tube 16, for example by means of an external robot, by making the lugs of this tube 16 cooperate in the recesses 31.
  • the valve 14 is closed and the piston rod 24 is retracted inside the cylinder 22.
  • the motor 36 is engaged, so that the arm 28 takes up the casting position, illustrated on FIG. Figure 2c , in which the upper end 54 of the tube is pressed against the valve 14, possibly by interlocking the pouring channel 52 with the nozzle 18.
  • the valve can be opened, by activating the cylinder 22, so as to slide the rod 24 to the out, thereby causing one of the drawers of the valve 14, as shown on the figure 2d .
  • the means 20 can operate in an inverted manner, the rod 24 being activated in the other direction to open the valve.
  • the sliding of the rod 24 causes the sliding of the support 34, so the entire handling device 26, the handling device 26 being slave to the movement of the rod 24.
  • the casting nozzle 18 connected to the slide valve of the valve 14, and the jet protection tube 16.
  • valve 14 being open, the liquid metal can flow inside the tube 16, in order to pass into the distributor 10.
  • the pouring orifice 18 is clogged, provision is made for the possibility of cleaning the pouring nozzle, by injecting oxygen into the ladle of the ladle 12, in order to burn or melt the residues.
  • the tube 16 is disengaged from the casting orifice, and is otherwise moved to a height high enough to avoid receiving splashes at the time of oxygen washing of the casting orifice. It is understood that the trajectory followed by the holding arm 28 to move from the casting position to the safety position follows a U.
  • Figures 5a, 5b an alternative embodiment of the device 26 and the tube 16 of the Figures 1a to 2d .
  • the head 56b of the jet protection tube 16 has a semi-hemispherical shape 60
  • the gripping means disposed on the end of the holding arm 28 have the shape of a spoon 30 'provided with a slot 62 for receiving the tube 16.
  • the tube 16 is easier to orient and hold pressed against the valve 14.
  • the tube 16 is provided with means 65 for disengaging the tube 16 with respect to the valve 14. More specifically, the upper end 54 of the tube 16 comprises means 64 for plating the tube against the valve, in this case a form 64 of embedding the head 56b with the casting nozzle 18.
  • the means 65 for disengagement comprise a flange, or shoulder, arranged around these embedding means 64, forming a support for disengaging the tube 16 towards the bottom, for example a support for a fork taking the tube around the form 64 to disengage it.
  • the clearance may for example be effected by means of disengagement (for example fingers 63) of the tube provided on the means 30 '.
  • the tube According to another embodiment of the tube, which can be combined with the embodiment of the Figures 5a, 5b , there is provided on the tube means for temporarily fixing the tube 16 on the valve, shown on the Figures 7a to 7d .
  • the temporary fastener is a bayonet fastener
  • the means comprise an element 66 cooperating, on the one hand with the valve 14, more precisely with the casting nozzle 18, on the other hand with the end 54 of the tube 16.
  • This element 66 is arranged to be rotatably mounted on this end 54 and to cooperate with the nozzle 18. More specifically, the element 66 comprises cooperation means (for example a flange 68) with the head 56c of the tube 16, intended to cooperate with receiving means, comprising a flange 72 head 56c.
  • the element also comprises means 70 for cooperation with the nozzle 18 cooperating abutting with a flange 74 of the nozzle 18.
  • the temporary fixing of the tube 16 on the valve 14 is as follows.
  • the element 66 is firstly secured to the valve 14, by making the stops 70, 74 cooperate.
  • the tube 16, provided with its head 56c is brought into line with the element 66, the head 56c being oriented so that the flange 68 is not at the right edge 72 of the head, and can be inserted at the bottom of the head 56c.
  • a rotation of the head 56c for example a quarter of a turn, is performed so that the flange 72 of the head covers the flange 68 of the element 66, and thus the tube 16 is retained by this flange 68.
  • This fixing by bayonet can of course be disabled by rotating in the opposite direction to clear the edges 68 and 72.
  • This handling device 26 ' is particularly compact since it is not necessary to provide the cylinder 32 of the device of the figure 2 .
  • the fixing means of the device 26 'on the drive means 20 comprise a part 80 surrounding the cylinder 22 and fixed to the rod 24, so that this part 80 moves with the rod when the piston slides in the cylinder 22.
  • the support arm 28 is taken up on the sides by side arms 82, carried on either side of the part 80.
  • the motor 36 ' is arranged between these two arms 82.
  • the operation of this embodiment is similar to that of the figure 2 , the axes 38, 48, 46, 50 forming a deformable parallelogram to ensure casting positions, waiting and loading defined above. More specifically, the figure 3a represents the device in casting position, the valve being closed; the figure 3b represents the device in the loading position, and the figure 3c represents the device in the safety position.
  • the device of the figure 4 corresponds to a third embodiment of the handling device 26.
  • This device also comprises a part surrounding the cylinder 22 and moving with the rod 24. It is therefore also compact.
  • the drive means of the drive means 28, 30 do not include a rotary motor such as the motor 36, but two hydraulic cylinders 84, 86, represented very schematically on the figure 4 .
  • the hydraulic cylinder 84 is substantially vertical, and the hydraulic cylinder 86 is substantially horizontal.
  • the drive means do not include a parallelogram consisting of four axes of orientation.
  • the movement of the holding means 28 is controlled by the synchronization of the cylinders 84, 86 (by means not shown), and by pivot connections 88, 90. More precisely, the vertical jack 84 makes it possible to move the pivot axis 88 in the vertical direction, and the cylinder 86 can slide the arm 28, telescopically.
  • the operation of the device 26 " is described on the Figures 4a to 4d .
  • the device On the figure 4a the device is in the casting position, the arm 28 being enlarged by means of the jack 86.
  • the jack 84 pushes on the axis 88, so as to incline the jack 86, and thus to lower the end 30 of the arm 28, the device then being in the loading position.
  • the device On the figure 4c , the device is also in the loading position, but the arm 28 is shortened, by sliding in the cylinder 86.
  • the device On the figure 4d , the device is in the safety position, the arm 28 being shortened by the jack 86, and raised by the jack 84.
  • the end 30 of the holding arm 28 has a U-shaped trajectory.
  • FIG. 6a to 6d a drive device 100 of the valve 14.
  • This driving device 100 may be similar to the drive means 20 described above, or may be used in a completely different context.
  • the device 100 comprises a cylinder 102, provided with a first piston 104, connected to a rigid rod 106, similar to the rod 24, which controls the valve 14 thanks to its end 108.
  • the piston 104 delimits, with the cylinder 102, two hydraulic chambers 110, 112, visible on the figure 6b , and can be fed with a fluid, through channels 114, 116 supply.
  • the drive device 16 is intended to be fixed on a ladle 12, more precisely in a housing 118 provided on the ladle, or on the valve 14.
  • the device 100 comprises a second piston 120, arranged to press a wall 122 of the housing 118, so as to lock the drive device 100 in the housing 118.
  • the second piston 120 is intended to form a wedge between the drive device 100, more precisely the cylinder 102, and the wall 122 of the housing 118.
  • the piston 120 and the wall 122 are traversed by the rod 106 controlled by the piston 104, so as to let this rod slide under the effect of the displacement of the first piston 104.
  • the chamber 112 is delimited, on the one hand by the first piston 104, on the other hand by the second piston 120.
  • the driving device 16 Before being mounted on the housing 118, the driving device 16 has substantially the configuration illustrated on the figure 6d .
  • the second piston 120 is in the retracted position in the chamber 112, not making, or only slightly, protrusion of the cylinder 102, so that the length of the cylinder 102 is relatively small.
  • fluid is injected into the orifice 116, according to the arrow indicated by reference 126 of the figure 6a .
  • the injection of fluid causes the piston 120 to slide towards the wall 122 so that it moves out of the cylinder 102 and comes to bear against the wall 122.
  • the clearance 124 between the housing 118 and the cylinder 102 disappears, and the device 100 is locked by clamping.
  • the drive device 100 can operate to drive the valve 14, as shown on the Figures 6b, 6c .
  • fluid is injected through the channel 114, which has the effect of moving the first piston 104 to the right, therefore the rod 106, and thus the corresponding slide of the valve 14, as is represented on the figure 6b .
  • the first piston 104 can be moved in the opposite direction, to the left, as shown in FIG. Figure 6c .
  • FIG. 8 We also represented on Figures 8 to 11 a jet protection tube 16 having a gripping head 56d and a longitudinal axis 134.
  • the gripping head has an upper surface 130 and a lower surface 132. It can be clearly seen in FIG. figure 11 that the lower part of the gripping head 56d is fusiform.
  • the figure 12 shows another jet protection tube 16 in which the gripping head 56e is semi-cylindrical.
  • the different functionalities can be independently on the various handling devices, drive or on the tube, or combine with each other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Manipulator (AREA)

Claims (26)

  1. Vorrichtung (26, 26', 26") zur Bedienung einer Gießhülse (16) für Flüssigmetallschmelzen, die Mittel (28, 30, 30') zur Fixierung der Hülse unterhalb eines Regulierungsventils (14) für den Abguss des Flüssigmetalls enthält, wobei dieses Ventil unter Einwirkung von Antriebsmittel (20) eine geöffnete und eine geschlossene Stellung einnehmen kann, dadurch gekennzeichnet, dass die Bedienungsvorrichtung (26, 26', 26") Mittel (32, 34, 80) zur Halterung an den Antriebsmitteln (20) des Ventils enthält.
  2. Bedienungsvorrichtung nach dem vorhergehenden Anspruch, bei der die Halterungsmittel (32, 34, 80) so angeordnet sind, dass die Bedienungsvorrichtung (26, 26', 26") der Bewegung, die durch die Antriebsmittel (20) auf das Ventil vorgegeben wird, folgt.
  3. Bedienungsvorrichtung nach einem beliebigen vorhergehenden Anspruch, umfassend zusätzliche Mittel (36-50, 84, 86) zum Antrieb der Mittel (28, 30, 30') zur Fixierung der Hülse (16).
  4. Bedienungsvorrichtung nach dem vorhergehenden Anspruch, bei der die Antriebsmittel (36-50) der Fixierungsmittel (28, 30, 30') einen Rotationsmotor (36) umfassen.
  5. Bedienungsvorrichtung nach Anspruch 3, bei der die Antriebsmittel (84, 86) der Fixierungsmittel (28, 30, 30') zwei hydraulische Hebeböcke (84, 86) umfassen.
  6. Bedienungsvorrichtung nach einem der Ansprüche 3 bis 5, bei der die Antriebsmittel (20) des Ventils (14) einen Hydraulikzylinder (22) und einen in diesen Zylinder verschiebbaren Bolzen (24) enthalten und die Antriebsmittel (36-50, 84, 86) der Fixierungsmittel (28, 30, 30') von einem den Zylinder (22) umschließenden Stück (80, 80') gesteuert werden, wobei sie sich mit dem Bolzen (24) bewegen.
  7. Bedienungsvorrichtung nach einem beliebigen vorhergehenden Anspruch, bei der die Mittel (28, 30, 30') zur Fixierung der Hülse eine Abgussstellung und eine Wartestellung einnehmen können, wobei die Bewegung zwischen diesen beiden Stellungen etwa in U-Form verläuft.
  8. Bedienungsvorrichtung nach einem beliebigen vorhergehenden Anspruch, bei der die Mittel (28, 30, 30') zur Fixierung der Hülse Mittel (30, 30') zum Greifen der Hülse umfassen, zum Beispiel in Form eines Löffels, der mit einem Schlitz zur Aufnahme der Hülse ausgestattet ist.
  9. Bedienungsvorrichtung nach einem beliebigen vorhergehenden Anspruch, bei der die Mittel (28, 30, 30') zur Fixierung der Hülse Mittel zur Freigabe der Hülse (16) und des Ventils (14) umfassen, zum Beispiel Zapfen (63).
  10. Gießhülse (16) für das Abfließen von Flüssigmetall durch eine Gießpfanne in ein Metallverteilergefäß, wobei die Hülse eine Längsachse (134), sowie an einem Ende einen Hülsengreifkopf (56d, 56e) aufweist, dadurch gekennzeichnet, dass das untere Ende des Greifkopfes (56d, 56e) spindelförmig ist.
  11. Gießhülse (16) nach Anspruch 10, die einen Greifkopf (56e) in halbzylindrischer Form enthält.
  12. Gießhülse (16) nach Anspruch 10, die einen Greifkopf (56d) in Form einer gebogenen Spindel enthält.
  13. Hülse (16) für das Abfließen von Flüssigmetall durch eine Gießpfanne (12) in ein Metallverteilergefäß (10), dadurch gekennzeichnet, dass die Hülse Mittel (66-72) zur vorübergehenden Halterung der Gießhülse (16) über ein Ventil (14) zur Regulierung des Gusses enthält.
  14. Hülse nach dem vorhergehenden Anspruch, bei der die vorübergehende Halterung durch einen Bajonettverschluss sichergestellt wird.
  15. Hülse nach einem der Ansprüche 13 bis 14, bei der die Hülse (16) ein oberes Ende (54) umfasst und die Mittel zur vorübergehenden Halterung (66-72) Mittel (72) zur Aufnahme eines Rotationsbauteils (66) umfassen, die angeordnet sind, um über diesem Ende rotierend montiert zu werden und um mit dem Ventil (14) zusammenzuwirken.
  16. Hülse nach einem der Ansprüche 10 bis 15, die zusätzlich Mittel (58) zur Winkelausrichtung der Hülse (16) nach der vertikalen Achse der Hülse umfasst.
  17. Hülse nach einem der Ansprüche 10 bis 16, umfasend Mittel (62) zur Freigabe der Hülse außerhalb einer Gussöffnung (18), zum Beispiel einen Kragen (62) oder Gehäuse (136) am oberen Hülsenende (54).
  18. Hülse gemäß Anspruch 17, deren Greifkopf (56a, 56b, 56c, 56d, 56e) Seitenwände, die mit zwei Gehäusen (136) ausgestattet sind, von denen jedes Seitenwände (138a, 138 b) umfasst, und eine untere Wand (140) umfasst.
  19. Anordnung einer Hülse (16) nach einem der Ansprüche 10 bis 18 und einer Bedienungsvorrichtung (26, 26', 26") nach einem der Ansprüche 1 bis 9.
  20. Vorrichtung zum Antrieb (100) eines Ventils (14) zur Regulierung des Flüssigmetallgusses, die einen ersten Kolben (104) umfasst, der es ermöglicht, das Ventil zwischen einer geöffneten und einer geschlossenen Stellung zu bewegen, dadurch gekennzeichnet, dass es einen zweiten Kolben (120) zur Fixierung der Antriebsvorrichtung (100) relativ zum Ventil (14) umfasst.
  21. Antriebsvorrichtung nach dem vorhergehenden Anspruch, die dazu bestimmt ist, in einem mit dem Ventil (14) kraftschlüssig verbundenen Gehäuse (118) aufgenommen zu werden, gegebenenfalls durch eine Zwischenpfanne (12), auf der das Ventil angebracht ist, wobei der zweite Kolben (120) so angeordnet ist, dass er derart auf eine Wand (122) des Gehäuses drückt, dass die Antriebsvorrichtung (100) im Gehäuse (118) durch eine Klemme verriegelt wird.
  22. Antriebsvorrichtung nach dem vorhergehenden Anspruch, bei dem der zweite Kolben (120) einen Kolbenkopf und ein gegenüberliegendes Endstück enthält, das dazu bestimmt ist, einen Keil zwischen der Antriebsvorrichtung (100) und der Gehäusewand (122) infolge der Bewegung des zweiten Kolbens (120) zu bilden.
  23. Antriebsvorrichtung nach einem der Ansprüche 20 bis 22, die zwei Hydraulikkammern (110, 112) umfasst, von denen eine Kammer einerseits von dem ersten Hydraulikkolben (104) und andererseits von dem zweiten Hydraulikkolben (120) eingegrenzt wird.
  24. Antriebsvorrichtung nach einem der Ansprüche 20 bis 23, bei der der zweite Kolben (120) von einem starren Bolzen (24), der vom ersten Kolben (104) angetrieben wird, durchdrungen wird.
  25. Antriebsvorrichtung nach einem der Ansprüche 20 bis 24, bei der eine Federscheibe (123) um den Bolzen (24, 106) herum unter dem Kopf des ersten Kolbens (104) angeordnet ist.
  26. Anordnung einer Bedienungsvorrichtung (26, 26', 26") nach einem der Ansprüche 1 bis 9 und einer Antriebsvorrichtung (100) nach einem der Ansprüche 20 bis 25.
EP09763841A 2008-11-20 2009-11-19 Giessrohr, vorrichtung zur handhabung des rohrs und ventilansteuervorrichtung Active EP2367651B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09763841A EP2367651B1 (de) 2008-11-20 2009-11-19 Giessrohr, vorrichtung zur handhabung des rohrs und ventilansteuervorrichtung
SI200930491T SI2367651T1 (sl) 2008-11-20 2009-11-19 Vlivna cev, manipulacijska naprava za upravljanje z omenjeno cevjo in naprava za pogon ventila
PL09763841T PL2367651T3 (pl) 2008-11-20 2009-11-19 Rura do odlewania, urządzenie do manipulowania tą rurą i urządzenie napędzające zawór

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP08169518 2008-11-20
EP09008451A EP2301693A1 (de) 2009-06-29 2009-06-29 Gußrohr
PCT/EP2009/008244 WO2010057640A1 (fr) 2008-11-20 2009-11-19 Tube de coulee, dispositif de manipulation de ce tube et dispositif d'entrainement d'une valve
EP09763841A EP2367651B1 (de) 2008-11-20 2009-11-19 Giessrohr, vorrichtung zur handhabung des rohrs und ventilansteuervorrichtung

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EP2367651A1 EP2367651A1 (de) 2011-09-28
EP2367651B1 true EP2367651B1 (de) 2013-01-02

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EP (1) EP2367651B1 (de)
JP (1) JP5405583B2 (de)
KR (1) KR101678705B1 (de)
CN (1) CN102281972B (de)
AU (1) AU2009317593B2 (de)
BR (1) BRPI0922101B1 (de)
CA (1) CA2743091A1 (de)
DK (1) DK2367651T3 (de)
ES (1) ES2402083T3 (de)
MX (1) MX2011005337A (de)
MY (1) MY156901A (de)
NZ (1) NZ593480A (de)
PL (1) PL2367651T3 (de)
PT (1) PT2367651E (de)
RS (1) RS52687B (de)
RU (1) RU2511162C2 (de)
SI (1) SI2367651T1 (de)
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ZA (1) ZA201104535B (de)

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ES2658045T3 (es) * 2013-10-14 2018-03-08 Vesuvius Group (Sa) Dispositivo de acoplamiento para acoplar de manera reversible una cubierta de cuchara a una tobera colectora, cubierta de cuchara autosostenible, kit asociado y método para acoplar una cubierta de cuchara a una tobera colectora
AR099467A1 (es) * 2014-02-19 2016-07-27 Vesuvius Group Sa Revestimiento de cuchara de colada para colada de metales, conjunto de partes de conjunto de acoplamiento para acoplar dicho revestimiento de cuchara de colada a una cuchara, instalación de colada de metales y proceso de acoplamiento
AT516885B1 (de) * 2015-02-23 2017-12-15 Primetals Technologies Austria GmbH Gießeinrichtung mit Halterung eines Schattenrohres am Pfannenverschluss
CN106493346B (zh) * 2016-12-12 2019-09-13 华耐国际（宜兴）高级陶瓷有限公司 一种连铸用浸入式水口
CN106513656B (zh) * 2017-01-12 2019-04-16 中冶赛迪工程技术股份有限公司 用于连铸机长水口夹持装置旋转的液压控制回路及其方法
EP3424618B1 (de) 2017-07-05 2021-03-10 Refractory Intellectual Property GmbH & Co. KG Schiebeverschluss für ein metallschmelze enthaltendes gefäss
CN108326275B (zh) * 2018-02-08 2020-02-14 湖南镭目科技有限公司 一种长水口自动拆装装置
US20230339017A1 (en) * 2020-03-31 2023-10-26 Vesuvius Group, S.A. Robotized ladle transportation device system with embedded manipulator

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CN102281972A (zh) 2011-12-14
KR20110095382A (ko) 2011-08-24
SI2367651T1 (sl) 2013-03-29
US8926893B2 (en) 2015-01-06
EP2367651A1 (de) 2011-09-28
DK2367651T3 (da) 2013-04-02
RS52687B (en) 2013-08-30
CN102281972B (zh) 2014-12-24
MY156901A (en) 2016-04-15
PT2367651E (pt) 2013-04-04
AU2009317593A1 (en) 2011-07-07
RU2011124592A (ru) 2012-12-27
ES2402083T3 (es) 2013-04-26
RU2511162C2 (ru) 2014-04-10
WO2010057640A1 (fr) 2010-05-27
KR101678705B1 (ko) 2016-11-23
PL2367651T3 (pl) 2013-05-31
BRPI0922101A2 (pt) 2016-02-10
NZ593480A (en) 2013-02-22
JP5405583B2 (ja) 2014-02-05
AU2009317593B2 (en) 2014-05-08
MX2011005337A (es) 2011-06-16
JP2012509186A (ja) 2012-04-19
ZA201104535B (en) 2012-09-26
BRPI0922101B1 (pt) 2017-03-28
US20110278331A1 (en) 2011-11-17
CA2743091A1 (fr) 2010-05-27

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