EP0439681B1 - Dispositif d'actionnement réglable pour un bouchon de répartiteur dans une installation de coulée continue - Google Patents

Dispositif d'actionnement réglable pour un bouchon de répartiteur dans une installation de coulée continue Download PDF

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Publication number
EP0439681B1
EP0439681B1 EP90119334A EP90119334A EP0439681B1 EP 0439681 B1 EP0439681 B1 EP 0439681B1 EP 90119334 A EP90119334 A EP 90119334A EP 90119334 A EP90119334 A EP 90119334A EP 0439681 B1 EP0439681 B1 EP 0439681B1
Authority
EP
European Patent Office
Prior art keywords
carrier rod
guide housing
piston
rod
support roller
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.)
Expired - Lifetime
Application number
EP90119334A
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German (de)
English (en)
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EP0439681A1 (fr
Inventor
Josef Lothmann
Friedhelm Paulus
Wolfgang Schönbrenner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zimmermann and Jansen GmbH
Original Assignee
Zimmermann and Jansen GmbH
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 Zimmermann and Jansen GmbH filed Critical Zimmermann and Jansen GmbH
Priority to SK178-91A priority Critical patent/SK281378B6/sk
Priority to CS91178A priority patent/CZ285517B6/cs
Priority to CA 2035136 priority patent/CA2035136C/fr
Priority to SU4894375 priority patent/RU2016695C1/ru
Priority to HU32391A priority patent/HU213712B/hu
Priority to BR9100397A priority patent/BR9100397A/pt
Priority to TR10091A priority patent/TR27001A/xx
Priority to KR1019910001656A priority patent/KR960002412B1/ko
Priority to JP2915791A priority patent/JPH0775762B2/ja
Publication of EP0439681A1 publication Critical patent/EP0439681A1/fr
Application granted granted Critical
Publication of EP0439681B1 publication Critical patent/EP0439681B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B22D41/14—Closures
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • B22D41/20—Stopper-rod operating equipment

Definitions

  • the invention relates to a device for the adjustable adjustment of a stopper of a distribution channel or a metallurgical vessel in a (billet, block or slab) continuous casting installation, the stopper being connected to a crossbar or stopper tab arranged over the distribution channel or the metallurgical vessel, which in turn is connected to a support rod that can be moved up and down in a vertical rolling element guide.
  • DE-C-395 694 describes a slide rod for a sealing plug of a ladle, which is guided in a bushing by means of rollers.
  • the USA-A-2 223 062 also discloses such a support rod, which is guided in a guide housing by means of rollers and serves to close a ladle.
  • the support rod of the locking device is mounted between rollers which rest on the support rod with more or less clearance, that is to say without pretensioning. A truly tolerance-free guidance of the support rod cannot be guaranteed.
  • Devices or plug lifters of this type are characterized by large tolerances and thus a correspondingly large mechanical play, with the consequence of a correspondingly low precision of the plug movement, which is constant Readjustment of the stopper position to achieve a predetermined pouring rate.
  • the above-mentioned problem becomes particularly important when formats of ⁇ 160 mm2 are to be cast. With these formats, tolerances in the plug mechanism are highly undesirable.
  • the present invention has for its object to provide a practically tolerance-free plug mechanism so that the problems mentioned no longer occur. At the same time, the manufacturing and maintenance costs of the new plug mechanism should be significantly reduced.
  • a square section 1 of an up and down movable support rod for a plug guide 22, not shown in FIGS. 1 and 2 is formed by two U-profiles 2 and 3 welded at right angles, at their free longitudinal edges or not welded legs via double hinges 6
  • U-profiles 7 are articulated so that they can be pivoted in a position in which they form a passage complementary to the square section 1 with the firmly welded U-profiles 2 and 3 .
  • the welding of the two aforementioned U-profiles 2 and 3 is carried out by means of an L-profile 4 in the area of the abutting longitudinal edges of the two U-profiles 2 and 3.
  • the above-mentioned articulation of the U-profiles 7 is used for mounting or dismounting the vertical rod guide it can be opened without much effort.
  • the aforementioned vertical guide is characterized by support rollers 10 clamped between the square section 1 of the support rod and the guide housing defined by the aforementioned U-profiles 2, 3 and 7, the support rollers 10 each being represented by flexible support roller belts in accordance with FIGS. 2 and 3a, 3b 11 are held.
  • Each support roller band 11 is fastened to the support rod or its square section 1 on the one hand and to the associated support surface of the guide housing 2, 3, 7 on the other hand to form a support roller pocket (see FIGS. 2 and 3a).
  • the square section 1 of the support rod is on all four sides supported with respect to the guide housing 2, 3, 7 by the support rollers 10, two support rollers 10 being arranged at an axial distance from one another on each side, in each case in the diametrical end region of the guide housing 2, 3, 7. Because of the fixing of support roller bands 11 also on pivotably mounted part 7 of the guide housing, this can only be partially opened without dismantling the support roller belts on this part. To completely open the guide housing, the support roller belts 11 must first be released or removed from the pivotable housing part 7. Although this effort is not particularly great, it can be avoided by the measures according to FIGS. 5 and 6.
  • the support roller belts 11 are provided with a type of perforation, which preferably cooperate with complementarily profiled peripheral surfaces of the support rollers 10 in order to avoid a relative movement between support rollers 10 and associated support roller belts 11.
  • the peripheral surfaces of the support rollers 10 can each have a toothing which extends in the longitudinal axis of the support roller and which corresponds to a complementary toothing on the square section 1 of the support rod on the one hand and the respectively assigned inside of the guide housing 2, 3, 7 on the other hand.
  • the square section 1 of the support rod has recesses, of which four recesses are designed as elongated holes 12, 13, which are each arranged at an axial distance from one another in a cross, that is to say they penetrate one another at right angles to one another.
  • a total of four tension rods 8 are passed through these elongated holes 12, 13, each of which is provided with a collar 14 at one end.
  • the tension rods 8 also extend through the opposite sides of the guide housing or opposite webs of the U-profiles forming the guide housing 2, 7 and 3, 7 respectively.
  • the ends 14 of the tie rods 8, which are diametrical to the collar 14, are each provided with a screw thread onto which a nut 42 can be screwed.
  • the guide housing 2, 3, 7 is held together by means of the tension rods 8, with the support rollers 10 being appropriately clamped in.
  • the suitable prestressing takes place against the action of spring elements arranged between the collar 14 of each tension rod 8 and the associated side of the guide housing 2, 3, 7. in particular thermodynamic spring elements according to DE-B-24 06 006.
  • the aforementioned spring elements 9 are each effective on the pivotably mounted U-profiles 7, for purely assembly-technical reasons.
  • the tension rods 8 and the aforementioned spring elements 9 the necessary clamping of the support rollers 10 is adjustable. At the same time, a play-free vertical guidance of the support rod and thus of the plug arranged on the plug lug 22 is obtained in this way.
  • the support rollers 10 support the square section 1 multifunctionally. They perform a pure roller movement during the vertical movement of the support rod or the square section 1 thereof.
  • the vertical guidance described is therefore practically frictionless. The wear and thus the maintenance effort are correspondingly low.
  • the aforementioned perforation of the support roller belts 11 is preferably characterized by holes with a diameter of approximately 10 mm. This measure also promotes the failure of any dirt.
  • a complementary profiling of the peripheral surface of the support rollers 10 is not absolutely necessary, but - as in connection with the avoidance of any slippage above - advantageous.
  • the fifth recess 15 in the square section 1 is used for the lateral insertion of a block-piston-cylinder unit 16, by means of which the support rod can be moved back and forth or up and down.
  • the aforementioned piston-cylinder unit 16 can accordingly be supported on the guide housing 2, 3, 7 on the one hand and on the support rod, namely on the square section 1 thereof on the other hand.
  • It comprises two piston rods 19, 20 which can be pulled out coaxially and diametrically from the cylinder housing and a third piston rod 21 which can be pulled out of the housing, the two first-mentioned piston rods 19, 20 within the lateral recess 15 on the square section 1 or the support rod for the upward and downward movement thereof attack, while by means of the last-mentioned piston rod 21, the piston-cylinder unit 16 is fixed to the stationary housing or to the guide housing 2, 3, 7 fastened to the distributor trough.
  • the latter piston rod 21 is effective at a lateral distance from the first two piston rods 19, 20. It also extends parallel to these (see cylinder or piston rod central axes 17, 18 in FIG. 2).
  • the lateral recess 15 in the square section 1 of the support rod is assigned a corresponding passage 43 in the guide housing, through which the aforementioned piston-cylinder unit 16 can be inserted into the lateral recess 15 of the square section 1 of the support rod with the two piston rods 19, 20 in front. After inserting the piston-cylinder unit 16 in the aforementioned manner, all three pistons and thus piston rods 19, 20, 21 are extended.
  • the diametrical Effective piston rods 19, 20 are supported on the top and bottom of the lateral recess 15 of the square section 1, while the piston rod 21, which is further out, is supported on the guide housing or on a support block 44 connected thereto, with the piston-cylinder Unit 16 on the guide housing 2, 3, 7.
  • the piston rods 19, 20 engaging the square section 1 move in the opposite direction with a stroke command through the hydraulics assigned to these piston rods, with constant "excess force” in the "extend” direction, ie upward in FIG Opening the stopper.
  • the hydraulic circuit according to FIG. 4 illustrates the mode of action of the hydraulic system acting on the square section 1, the force support of the piston-cylinder unit 16 on the outer guide housing 7 not being shown for the sake of a better overview.
  • the diametrically effective piston rods 19, 20 or their associated pistons are each under pressure during operation, with either the upper or the lower piston being under pressure in relation to the diametrically active piston, depending on the desired direction of movement of the support rod and thus of the stopper.
  • the cylinder spaces 24, 25 assigned to the diametrically active pistons and each free of piston rods are fluid-connected (connecting line 26), this fluid connection 26 being used to build up a pressure that moves the two pistons apart. In practice, this pressure is approximately 180 to 250 bar. Because of this high pressure, the two diametrically effective pistons are practically firmly coupled to one another.
  • Said fluid connection 26 can be connected via a check valve 27 that can only be opened in the direction of this and a 3/4-way valve 28 to either the pump “P" or the tank “T” of the hydraulics, specifically via a line 40, between the check valve 27 and the aforementioned Fluid connection 26 branches off a line 29 to the tank "T", in which an adjustable pressure relief valve 30 is arranged.
  • the cylinder spaces 31, 32 penetrated by the diametrically effective piston rods 19, 20 can each be connected alternatively to the pump “P” or the tank “T” via a 3/4 way valve 33, lines 36 from the corresponding connecting lines 34, 35 in each case , 37 branch off to a switching valve 38, by means of which both connecting lines 34, 35 or none of them can be connected either via a line 39 to the 3/4 way valve 28, to which the fluid connection 26 between the two piston rod-free cylinder spaces 24, 25 is also connected .
  • the check valve 27 arranged in the latter connection 40 can be unlocked via a pressure line 41 branching from the line 39 connecting the switching valve 38 to the latter 3/4 way valve 28, with a corresponding reduction in the piston spreading pressure in the fluid connection 26 between the two piston rod-free cylinder spaces 24 , 25, as long as the 3/4-way valve 28 is in the right relaxation position in FIG. 4.
  • line 40 is connected to tank "T".
  • the line 39 and thus also the pressure line 41 is in this position of the valve 28 with the pump "P" in connection with the result that the check valve 27 is unlocked, so that through the check valve 27 the pressure in the fluid connection 26 via the line 40 to the tank "T" can be dismantled.
  • the pressure in the fluid connection 26 is built up in the reverse manner, namely in the left position of the 3/4 way valve 28 in FIG. 4.
  • the pump “P” is via the check valve 27 and the line 40 with the fluid connection 26 connected.
  • the tank “T” is connected via line 39 to the switching valve 38, which is in the so-called “h” position, ie in FIG. 4 in the right one, both when the pressure in the fluid connection 26 is reduced and when it builds up Position is in which the line 39 is fluidly connected to both connecting lines 34, 35 and 36, 37, respectively.
  • the switching valve 38 and the 3/4 way valve 28 are brought into the positions shown in FIG. 4. In these positions, the line 39 is depressurized.
  • the check valve 27 is effective so that the pressure built up in the fluid connection 26 remains, the setting of this pressure being carried out by the pressure limiting valve 30.
  • the connecting lines 36, 35 are decoupled from the 3/4-way valve 28, so that only the 3/4-way valve 33 directly assigned to the connecting lines 34, 35 is effective.
  • the valve then causes the piston rods 19, 20 to move up and down. All valves are preferably solenoid controlled.
  • the two diametrical pistons act like a single piston with two diametrically extending piston rods.
  • the pressure in the fluid connection 26 is reduced in the aforementioned manner.
  • the pressure is built up in this fluid connection in the manner described; d. H. the piston-cylinder unit 16 is "cocked” in the manner described.
  • the valves 28 and 38 are brought into the operating position in the manner also described above, namely as shown in FIG. 4, so that only the 3/4 for the synchronous upward and downward movement of the piston rods 19, 20 Directional valve 33 is used.
  • FIG. 1 part of the distribution channel is identified in FIG. 1 by reference number 5. Furthermore, the opening direction of the U-profiles 7 is indicated by the arrows 45 in FIG. 1.
  • FIG. 5 and 6 an alternative type of fixing the support roller bands 11 on the guide housing side is shown schematically such that the support roller bands 11 are fixed on the guide housing side to a rectangular frame 46.
  • This is permanently attached to the stationary housing part, ie the U-profiles 2 and 3, within corresponding horizontal grooves 48, so that the support roller belts 11 fixed to the frame 46 with their sections facing the guide housing on the inner wall surfaces of the stationary housing part or the U. - Profiles 2 and 3 are present.
  • the pivotably mounted part of the support rod guide housing ie the pivotably mounted U-profiles 7, also has horizontal grooves 47 on the inside for receiving the aforementioned rectangular frame 46 when the support rod guide housing is closed (see in particular FIG. 6).
  • the rectangular frame 46 is adapted to the free cross section of the support rod guide housing, that is to say it is square in the illustrated case.
  • the support rod guide housing 2, 3, 7 can also be opened without dismantling the support roller belts 11 assigned to the pivotable housing part 7.
  • each support roller 10 on the inside of the guide housing 2 comprising the support rod 1 stops arranged in the form of inwardly projecting projections 11 'are assigned, on which the support roller 10, namely its end portion 50 in the lowered position of the support rod 1 with orientation transverse to the support rod 1 or its direction of movement can be supported.
  • the support roller 10 rolls upwards between the guide housing and the support rod, because of the elastic clamping between the guide housing and the support rod without play or slippage.
  • the end sections 50 come into contact with the projection-like stops 11 ', which ensures that the support roller 10 is always or remains aligned transversely to the direction of movement of the support rod 1.
  • each support roller 10 preferably has at least one, in particular a plurality of circumferential grooves each formed at an axial distance from one another with a depth of approximately 2 to 10 mm, in particular approximately 4 to 8 mm, and a width of at least 1.5 to 2 mm. Dirt collecting in the gap between the support rod and guide housing can then trickle down through these circumferential grooves, where it can be easily removed.
  • the circumferential grooves thus represent dirt removal passages.
  • the circumferential grooves mentioned are identified by the reference number 58.
  • the rolling element guide is formed by linear ball units 10 ′ which extend transversely to the support rod 1 or the direction of movement thereof and are commercially available.
  • linear ball units 10 ′ which extend transversely to the support rod 1 or the direction of movement thereof and are commercially available.
  • two linear ball units 10 'arranged at an axial distance (in the direction of the support rod or its movement) are clamped, due to the spring elements 9 described above under elastic tension.
  • Each linear ball unit 10 ' is assigned a stop arranged in the form of an L-shaped projection 11' on the inside of the guide housing 2, 3, 7 comprising the support rod 1, on which the respective linear ball unit 10 ', in particular its web-like cage 52, is in the lowered position
  • Support rod 1 can be supported transversely to the support rod or its direction of movement while aligning the linear ball unit.
  • the function of the stops 11 ' corresponds to that of the stops 11 in FIG. 7.
  • the backlash-free preloading and pretensioning of the support balls 10' takes place on one of the four sides of the support rod via a vertical axis 54 pivotally mounted tread 53 which is detachably connected to the associated side of the guide housing connected plate is defined.
  • the pivot bearing of the tread 53 or tread plate is formed by a vertically installed linear ball unit 10 ′′.
  • This component is also a commercially available product.
  • the vertically installed linear ball unit 10 ′′ is arranged between the tread plate 53 and the associated side 3 of the guide housing, the connection between this side of the guide housing and the tread plate 53 taking place via an elastic element, namely cup springs 55.
  • All other treads are firmly mounted on the support rod 1 on the one hand and on the inside of the guide housing on the other.
  • the aforementioned ball units 10 'and 10' ' are commercially available.
  • the rolling element units namely balls
  • the rolling element units are offered, which are either installed in plastic cages, aluminum cages or brass cages. In the present case, only aluminum or brass cages should be considered.
  • the web-like cages 52 are very advantageous since spaces are left between them on the one hand and the balls and running surfaces on the other hand, through which dirt, dust or the like can fall downward in the gap between the support rod and guide housing.
  • the stops 11 ' also have vertically upwardly extending tines 59 in order to prevent the linear ball units from migrating sideways. Each linear ball unit is thus held between the vertically upwardly extending prongs 59 of the stops 11 'on the one hand and the running surfaces of the support rod and guide housing arranged on the other side.
  • FIG. 9 provides a good overall overview of a preferred embodiment of the device according to the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Continuous Casting (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Handcart (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Metal Rolling (AREA)

Claims (25)

  1. Dispositif pour le déplacement réglable d'un bouchon (56) d'un répartiteur ou d'un récipient métallurgique (57) dans une installation de coulée continue (de billettes, de lingots ou de brames), le bouchon (56) étant raccordé à une traverse et respectivement une queue de bouchon (22) placée au-dessus du répartiteur ou du récipient métallurgique, laquelle est à son tour couplée avec une barre porteuse (1) (= releveur de bouchon) qui peut être animée d'un mouvement ascendant et descendant dans un guidage à rouleaux vertical, caractérisé en ce que la barre porteuse comprend une section carrée (1) qui est entourée par un carter de guidage carré (2, 3, 7) correspondant ouvrable, les corps roulants, à savoir des rouleaux d'appui (10) ou billes d'appui (10') du guidage à corps roulants vertical étant insérés sans jeu entre la barre porteuse (1) et le carter de guidage (2, 3, 7) ouvrable sous l'action d'un élément élastique (9).
  2. Dispositif selon la revendication 1, caractérisé en ce que les rouleaux d'appui (10) sont maintenus par des bandes à rouleaux d'appui (11) flexibles, chaque bande à rouleau d'appui étant fixée directement ou indirectement, notamment par l'intermédiaire d'un cadre de fixation (46), avec formation d'une poche de bande à rouleau d'appui ouverte vers le haut, sur la barre porteuse d'une part et sur le carter de guidage (2, 3, 7), d'autre part.
  3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que les surfaces périphériques des rouleaux d'appui (10) présentent à chaque fois un profil qui correspond à un profil complémentaire des bandes à rouleaux d'appui (11).
  4. Dispositif selon la revendication 1, caractérisé en ce que les surfaces périphériques des rouleaux d'appui (10) présentent à chaque fois une denture (fig. 3c) qui s'étend dans l'axe longitudinal des rouleaux d'appui et coopère avec une denture complémentaire prévue sur la barre porteuse d'une part et sur la surface intérieure associée du carter de guidage, d'autre part.
  5. Dispositif selon la revendication 1, caractérisé en ce qu'à chaque rouleau d'appui (10) sont associées sur la surface intérieure du carter de guidage (2, 3, 7) entourant la barre porteuse (1), des butées, notamment des saillies (11'), sur lesquelles le rouleau d'appui (10) et notamment ses sections terminales frontales (50) peuvent prendre appui dans la position abaissée de la barre porteuse (1), avec alignement transversal par rapport à ladite barre porteuse (1) et respectivement à la direction de mouvement de celle-ci (fig. 7, 8).
  6. Dispositif selon la revendication 5, caractérisé en ce que la surface latérale de chaque rouleau d'appui (10) présente au moins une, de préférence plusieurs gorges circonférentielles disposées a' distance axiale les unes des autres, avec une profondeur d'environ 2 à 10 mm, de préférence d'environ 4 à 8 mm, et avec une largeur d'au moins 1,5 à 2 mm.
  7. Dispositif selon la revendication 1, caractérisé en ce que le guidage à corps roulants est constitué par des ensembles de billes linéaires (10') orientés transversalement à la barre porteuse (1) et respectivement à la direction de mouvement de celle-ci, au moins deux ensembles de billes linéaires (10') disposés à distance axiale l'un de l'autre étant insérés, sur chaque côté de l'appui mutuel, entre la barre porteuse (1) et le carter de guidage (2, 3, 7).
  8. Dispositif selon la revendication 7, caractérisé en ce qu'à chaque ensemble de billes linéaire (10') est associée une butée prévue sur la surface intérieure du carter de guidage (2, 3, 7) entourant la barre porteuse (1), en particulier une saillie (11'), sur laquelle l'ensemble de billes linéaire (10'), et notamment sa cage (52) en forme de barrette, peut prendre appui dans la position abaissée de la barre porteuse (1), avec alignement transversal par rapport à la barre porteuse et respectivement à sa direction de mouvement.
  9. Dispositif selon l'une des revendications 7 ou 8, caractérisé en ce que le maintien et le guidage vertical de la barre porteuse (1) à l'intérieur du carter de guidage (2, 3, 7) sont assurés par des ensembles de billes linéaires (10') diamétralement opposés, les billes pouvant rouler dans des gorges en V respectivement associées et prévues sur la surface extérieure de la barre porteuse (1) d'une part et sur la surface intérieure du carter de guidage (2, 3, 7) d'autre part.
  10. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que, lorsque la barre porteuse (1) est maintenue sur au moins 3, et notamment sur les 4 côtés de celle-ci, la fixation et la mise en précontrainte sans jeu des rouleaux ou billes d'appui se fait sur au moins l'un des côtés par l'intermédiaire d'une surface de roulement (53) pouvant tourner autour d'un axe vertical (54).
  11. Dispositif selon la revendication 10, caractérisé en ce que la fixation pivotante de la surface de roulement (53) pour au moins une paire de rouleaux d'appui (10) ou d'ensembles de billes linéaires (10'), est réalisée par un ensemble de billes linéaire (10'') monté verticalement, un rouleau d'appui orienté verticalement ou un élément analogue.
  12. Dispositif selon la revendication 11, caractérisé en ce que l'ensemble de billes linéaire (10'') et respectivement le rouleau d'appui montés verticalement sont disposés entre un côté (3) du carter de guidage et la surface de roulement associée (53) située à l'extérieur ou du côté du carter de guidage, la liaison entre ledit côté (3) du carter de guidage et la surface de roulement (53) associée étant assurée par l'intermédiaire d'un élément élastique (rondelles-ressorts 55).
  13. Dispositif selon la revendication 12, caractérisé en ce que le carter de guidage carré est constitué par deux profils d'angle (2, 3 et respectivement 7) raccordés à la manière de charnières.
  14. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce que la barre porteuse et le carter de guidage (2, 3, 7) qui l'entoure sont traversés par des barres de traction ou des tirants (8) orientés transversalement à l'axe longitudinal de la barre porteuse, à savoir en croix et à distance axiale les uns des autres, les parois latérales respectivement opposées du carter de guidage étant maintenues ensemble et bloquées par les tirants (8), avec insertion correspondante des rouleaux d'appui (10) ou des billes d'appui (10') entre la barre porteuse (1) et le carter de guidage (2, 3, 7).
  15. Dispositif selon la revendication 14, caractérisé en ce que le blocage des parois latérales opposées du carter de guidage se fait respectivement contre l'action d'un élément élastique (9).
  16. Dispositif selon l'une des revendications 14 ou 15, caractérisé en ce que les tirants (8) s'étendent, dans la région de la barre porteuse, au travers de trous oblongs (12, 13) orientés dans la direction longitudinale de ladite barre porteuse, l'extension axiale des trous oblongs prédéterminant la distance de levage maximale de la barre porteuse et donc du bouchon (56).
  17. Dispositif selon l'une des revendications 1 à 16, caractérisé en ce que la fente entre la barre porteuse et le carter de guidage (2, 3, 7) est rendue étanche au moins dans la région du bord supérieur, en particulier au moyen d'un racleur flexible (23).
  18. Dispositif, notamment selon l'une des revendications 1 à 17, caractérisé en ce que la barre porteuse (1) peut être animée d'un mouvement alternatif et respectivement ascendant et descendant au moyen d'un système de piston-cylindre (bloc-cylindre 16) à commande hydraulique, hydropneumatique ou pneumatique.
  19. Dispositif selon la revendication 18, caractérisé en ce que le système de piston-cylindre (16) peut prendre appui sur le carter de guidage (2, 3, 7) d'une part et sur la barre porteuse (1) d'autre part.
  20. Dispositif selon la revendication 19, caractérisé en ce que le système de piston-cylindre (16) comprend deux tiges de pistons (19, 20) pouvant sortir du bloc-cylindre (16) dans des directions diamétralement opposées, ainsi qu'une troisième tige de piston (21), les deux premières tiges de pistons (19, 20) agissant sur la barre porteuse, tandis que la tige de piston (21) mentionnée en dernier assure une fixation du système de piston-cylindre (16) sur le carter de guidage fixe ou monté sur le répartiteur.
  21. Dispositif selon la revendication 20, caractérisé en ce que les tiges de pistons (19, 20) diamétralement opposées agissent à l'intérieur d'une ouverture latérale (15) de la barre porteuse, et que la troisième tige de piston (21) s'étend à distance des deux premières tiges de pistons (19, 20) et sensiblement parallèlement à celles-ci.
  22. Dispositif selon l'une des revendications 18 à 21, caractérise en ce que, en service, les tiges de pistons (19, 20) et respectivement leurs pistons agissant dans des directions diamétralement opposées sont à chaque fois sous pression, le piston supérieur ou le piston inférieur étant sous "surpression" par rapport au piston agissant dans le sens diamétralement opposé, selon la direction de mouvement désirée de la barre porteuse.
  23. Dispositif selon la revendication 22, caractérisé en ce que les volumes de cylindres (24, 25) respectivement dépourvus de tiges de pistons et associés au piston agissant dans le sens diamétralement opposé sont en communication fluidique (conduite de raccordement 26) , cette liaison fluidique (26) servant à l'établissement d'une pression qui écarte les deux pistons, ladite liaison fluidique (26) pouvant être raccordée, par l'intermédiaire d'un clapet antiretour (27) qui ne s'ouvre qu'en direction de cette dernière, et d'un distributeur à 3/4 voies 28, à la pompe (P) ou au réservoir (T) (conduite 40), et la liaison avec le réservoir (T) étant établie par une conduite (29) prévue entre le clapet antiretour (27) et la ladite liaison fluidique (26), dans laquelle est insérée une soupape de limitation de pression réglable (30) (fig. 4).
  24. Dispositif selon l'une des revendications 22 ou 23, caractérisé en ce que les volumes de cylindres (31, 32) traversés par les tiges de pistons (19, 20) agissant dans des directions diamétralement opposées peuvent à chaque fois être raccordés alternativement, par l'intermédiaire d'un distributeur à 3/4 voies 33, à la pompe (P) ou au réservoir (T), les conduites de raccordement (34, 35) correspondantes comportant respectivement des embranchements (36, 37) conduisant à une soupape de commande (38) qui permet par l'intermédiaire d'une conduite (39), de relier les deux conduites de raccordement (34, 35) ou de ne relier aucune d'elles au distributeur à 3/4 voies (28) auquel est également raccordée la liaison fluidique (26) entre les deux volumes de cylindres (24, 25) dépourvus de tiges de pistons, le clapet antiretour (27) disposé dans le branchement (40) mentionné en dernier, pouvant être débloqué par l'intermédiaire d'une conduite forcée (41) qui part de la conduite (39) laquelle relie la soupape de commande (38) audit distributeur à 3/4 voies (28).
  25. Dispositif selon la revendication 24, caractérisé en ce que toutes les soupapes de commande (28, 33, 38) sont commandées par solénoïde.
EP90119334A 1990-01-31 1990-10-09 Dispositif d'actionnement réglable pour un bouchon de répartiteur dans une installation de coulée continue Expired - Lifetime EP0439681B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SK178-91A SK281378B6 (sk) 1990-01-31 1991-01-28 Ústrojenstvo na riadené ovládanie prestavovania zátky rozvádzacieho žľabu alebo metalurgickej lejacej panvy
CS91178A CZ285517B6 (cs) 1990-01-31 1991-01-28 Ústrojí pro regulovatelné přestavování zátky rozváděcího žlabu nebo metalurgické licí pánve
CA 2035136 CA2035136C (fr) 1990-01-31 1991-01-29 Appareil permettant de regler l'obturateur d'un canal de distribution oud'un element similaire, dans une installation de coulee en continu
HU32391A HU213712B (en) 1990-01-31 1991-01-30 Equipment for the controlled setting of the closing plug of the distributing channel in a continuous casting machine
SU4894375 RU2016695C1 (ru) 1990-01-31 1991-01-30 Устройство для регулируемого перемещения заглушки распределительного желоба или металлургической емкости в установке для непрерывного литья прокатных заготовок, блюмов и слябов
BR9100397A BR9100397A (pt) 1990-01-31 1991-01-30 Dispositivo para o ajuste regulavel de um bujao de uma calha de distribuicao ou de um recipiente metalurgico,numa instalacao de fundicao por extrusao
TR10091A TR27001A (tr) 1990-01-31 1991-01-31 Bir devamli döküm tesisinde bir tevzi olugunun veya benzerlerinin tapasini ayarli sekilde düzeltmege mahsus tertibat.
KR1019910001656A KR960002412B1 (ko) 1990-01-31 1991-01-31 연속주조설비에 있어서 분배채널등의 스톱퍼(stopper)의 제어된 조정을 위한 장치
JP2915791A JPH0775762B2 (ja) 1990-01-31 1991-01-31 連続鋳造装置の分配溝路のストッパーの調節装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4002820 1990-01-31
DE4002820 1990-01-31
DE4004547A DE4004547A1 (de) 1990-01-31 1990-02-14 Vorrichtung zur regelbaren verstellung eines stopfens einer verteilerrinne o. dgl. in einer stranggiessanlage
DE4004547 1990-02-14

Publications (2)

Publication Number Publication Date
EP0439681A1 EP0439681A1 (fr) 1991-08-07
EP0439681B1 true EP0439681B1 (fr) 1995-07-26

Family

ID=25889582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90119334A Expired - Lifetime EP0439681B1 (fr) 1990-01-31 1990-10-09 Dispositif d'actionnement réglable pour un bouchon de répartiteur dans une installation de coulée continue

Country Status (6)

Country Link
US (1) US5118084A (fr)
EP (1) EP0439681B1 (fr)
KR (1) KR960002412B1 (fr)
AT (1) ATE125477T1 (fr)
DE (2) DE4004547A1 (fr)
ES (1) ES2077000T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472178A (en) * 1992-11-11 1995-12-05 Voest-Alpine Industrieanlagenbau Gmbh Device for controlling the stopper of a metallurgical vessel
WO2000003822A1 (fr) * 1998-07-17 2000-01-27 Kvaerner Metals Continuous Casting Limited Dispositif et procede servant a reguler l'ecoulement d'un metal en fusion

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT404000B (de) * 1993-09-09 1998-07-27 Plansee Tizit Gmbh Schneidwerkzeug
DE4424546C2 (de) * 1994-07-12 1998-02-19 Zimmermann & Jansen Gmbh Betätigungseinrichtung für die Stopfenstange einer Gießpfanne, Verteilerrinne oder dergleichen
SE520595C2 (sv) * 2000-12-11 2003-07-29 Sune Johansson Ställdon
ITMI20042301A1 (it) * 2004-11-30 2005-02-28 Danieli Off Mecc Dispositivo di comando di un'asta-tampone
US7704445B2 (en) * 2005-06-29 2010-04-27 Process Technology International, Inc. Systems and methods for accessing a furnace melt
BR202017000379Y1 (pt) * 2016-01-10 2022-04-26 Amsted Rail Company, Inc Mecanismo de fixação de bastão de encaixe metálico de derramamento para rodas de aço fundido

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE395694C (de) * 1923-07-24 1924-05-15 Franz Casel Verschlussvorrichtung fuer Giesspfannen
US2076475A (en) * 1935-11-27 1937-04-06 Matta Andrew Ladle stopper
DE671858C (de) * 1937-05-04 1939-02-15 August Dersch Vorrichtung zur Sicherung der Stopfenstange an Giesspfannen
US2223062A (en) * 1939-08-29 1940-11-26 Blaw Knox Co Ladle stopper rigging
US2531556A (en) * 1948-02-13 1950-11-28 Treadwell Construction Company Stopper rig for ladles
FR1442566A (fr) * 1965-05-13 1966-06-17 Senssenbrenner Gmbh C Dispositif de commande hydraulique pour la quenouille de poches de coulée
US3627180A (en) * 1970-02-12 1971-12-14 Pennsylvania Engineering Corp Stopper rod with assembly for alignment with nozzle
DE2021211A1 (de) * 1970-04-30 1971-12-30 Bbc Brown Boveri & Cie Stopfenbetaetigungseinrichtung
DE2319004B2 (de) * 1973-04-14 1975-11-06 Brown, Boveri & Cie Ag, 6800 Mannheim Stopfenbetätigungseinrichtung für Gießpfanne
BE879037A (fr) * 1979-09-27 1980-01-16 Cockerill Glissiere de commande d'un tampon de tundish
IT8060384V0 (it) * 1980-05-26 1980-05-26 Danieli Off Mecc Dispositivo regolazione tampone paniera.
US4666134A (en) * 1986-02-26 1987-05-19 Asea Aktiebolag Stopper means in pouring furnaces
DE3738489A1 (de) * 1987-11-12 1989-05-24 Zimmermann & Jansen Gmbh Vorrichtung zum automatischen fuellen einer stranggiesskokille

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472178A (en) * 1992-11-11 1995-12-05 Voest-Alpine Industrieanlagenbau Gmbh Device for controlling the stopper of a metallurgical vessel
WO2000003822A1 (fr) * 1998-07-17 2000-01-27 Kvaerner Metals Continuous Casting Limited Dispositif et procede servant a reguler l'ecoulement d'un metal en fusion
CN1108891C (zh) * 1998-07-17 2003-05-21 瓦尔工业（英国）有限公司 用于控制熔融金属流量的装置和方法
US6575224B1 (en) 1998-07-17 2003-06-10 Vai Industries (Uk) Limited Apparatus and method for controlling the flow of molten metal

Also Published As

Publication number Publication date
ATE125477T1 (de) 1995-08-15
US5118084A (en) 1992-06-02
EP0439681A1 (fr) 1991-08-07
ES2077000T3 (es) 1995-11-16
DE59009439D1 (de) 1995-08-31
KR960002412B1 (ko) 1996-02-17
KR920014537A (ko) 1992-08-25
DE4004547A1 (de) 1991-08-08

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