DE2028078A1 - Turret for ladles - Google Patents

Description

REG. NO. ST '23:11

Schloemann AG Düsseldorf, Steinstr. 13th

Rotating tower for ladles

The invention relates to a turret for casting ladles, in which a horizontal plane rotatable, substantially symmetrical to the pivot point at its two ends for receiving a ladle each is formed, and which is rotatable such that the Pans are to be moved either in at least one pouring position or one purification position.

A rotating tower of this type is particularly suitable for continuous casting plants, in which the liquid metal located in the ladle via a strand for larger formats and must be poured over several strands for smaller formats. From this arises the need after the casting of the metal, the liquid slag remaining in the pan pour in different positions while the boom is already occupied at its other end by the next ladle. The invention is based on the object to train the rotating tower so that the purification of the pan is easily possible and in particular in different Positions can be made.

According to the invention this is achieved in that the rotating tower has an approximately centrally arranged column, with respect to which it can be rotated, and which can be aligned with a cantilever arm in the direction of the purification position

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the end of which is a driving and attacking the bottom of the pan

Chain or. . .

Lockable Sexlzug revolves over a pulley.

With a rotating tower designed in this way, the ladle can be moved into its purification position regardless of the position in which it is located. The pouring ladle remains in its swivel bearing located at the end of the boom and is swiveled so far over its snout by the force applied to the ladle bottom that the liquid slag remaining in it runs out. The slag is then collected by a slag trolley, a slag pan or the like, which is to be brought to the purification site, and finally removed, whereas the ladle can be lifted out of its storage at the end of the boom and brought to the steelworks after the deslagging process.

Around the tower with its cantilever arm to the respective release position to align, the column expediently has its own rotary drive, which has at least a limited pivotability the column allows in a horizontal plane. To the hereby as well as by the horizontal Verschwenkbackeit of To enable the turret to rotate in relation to the column, the latter is supported by a turntable on the frame of the turret. The rotating tower and the column can thus be pivoted independently of one another in the horizontal plane, although the pivotability of the column is then when pouring is only ever poured over a strand arranged at a certain point, it is expediently locked will. This lock can be a pivot cylinder attached to the base of the rotating tower and arranged in the horizontal direction serve, which is so connected to the column that it is not only its rotation, but also its locking can cause. With this mode of operation, the boom is at a standing position after each emptying of the ladle Column rotated by 180o, on the one hand feeding a freshly filled pan to the pouring point, while on the other hand the one emptied of the liquid metal, but still with liquid

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Brings the slag-filled pan into its purification position. There then takes place the connection of the cable to the pan bottom and the pivoting of the pan in a vertical plane _: it remains in the bearing at the end of the boom in the manner described.

For the drive of the / cable pull are basically several options. However, it is particularly advantageous to provide a lifting cylinder for this purpose, the cylinder of which is firmly connected to the column and connected to the piston rod of a further Unile pulley for the cable can. In this way, the cable pull can be designed in such a way that the lifting force is still reduced, where, on the other hand, on the other hand, the column allows the facing of a relatively long lifting cylinder, so that a corresponding long rope route is created.

The invention is further illustrated with the aid of the drawings relating to exemplary embodiments. In this demonstrate:

1 shows a first embodiment of the rotating tower according to the invention in a side view, during

Fig. 2 illustrates a modified form of implementation.

Fig.l shows the turret with its boom 1, which is provided at both ends with bearings 2 and 3 for _: receiving the ladles f and 5 respectively. In the casting position, the casting ladle HY is located above a continuous casting installation 6, of which, for the sake of clarity, only the inlet 7 and the beginning of the curved strand guide 8 are shown.

In the position shown, the pouring ladle 5 is in its purification position and is in this position Position so tilted about its pivot axis 8 that the slag can run out completely. The bottom 9 is

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for this purpose by means of the cable 10, which can also be a chain, from the original, horizontal Position has been swiveled upwards via the vertical position into a slightly inclined position. Located below the pan 5 a slag pan, not shown in detail in the drawing, for receiving and transporting the from Pan 5 leaking slag.

Although Fig. 1 only shows a pouring position and therefore a purification position, as can be seen from the The above description reveals quite a number of casting stands with peripheral spacings on the orbit of the ladle possible, which, on the other hand, also correspond to a number of stripping positions.

The column 12 can also be pivoted about the axis 11 of the boom 1, indicated by dash-dotted lines. For this purpose, it is formed with a pin 13 which extends downward and at the lower end of which the horizontally arranged pivot cylinder 14 engages. By means of this swivel cylinder, the column 12 can on the one hand be rotated, but on the other hand it can also be locked. The turntable 15 enables the rotary movement in relation to the construction of the turret or the boom.

One can also see the schematically illustrated lifting cylinder 16 ', which is connected to the column 12 and on its piston rod the pulley 16 for the cable 10 engages. The, cable has an upper attachment point 17 and also overflows the deflecting roller 10 arranged above the deflecting roller 16 and ■ via the deflecting roller 20 located at the end of the cantilever arm 19. If a chain is used instead of the cable, the pulleys are replaced by corresponding chain sprockets. as As a result of the selected pulley arrangement of the cable pull 10, a corresponding movement occurs when the deflection pulley 16 is moved Distance transmission or power reduction, which makes it possible to pivot the bottom of the pan 9 to the extent described.

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A hook arranged at the end of the cable 10 ″ engages for this purpose 20 'on a pulling element 21 ah, which in the pouring position of the pan on the outwardly facing Edge 22 of the pan bottom is hinged.

Fig. 2 shows a modified embodiment, in which 'however, some of the parts already described in Fig. 1 and' essentially matching parts are no longer shown. The boom ¹ I is shown only with its middle section ^; Han again recognizes the column 12 and the slewing ring 15 which enables it to rotate. The pin 23 located on the column 12 is ^: here, however, shortened so that the lifting cylinder 24 is in a plane above the boom 1. The lifting cylinder 24 is articulated to the tower structure above the vertical support 25. The lower deflection roller 15 is also located on the lifting cylinder 16 "or on its piston rod. The outer deflection roller 20 is also mounted on the cantilever arm 19. The crane - 'Ken 20' is shown in its fully upward position ', where it engages the pulling element 21, which is articulated in the manner described on the pan bottom 9' shown in the dashed-line position. The pouring ladle 5 is "different from * the Darsire -liurig -in Fi-g. ' Ϊ ^; in their not yet * ^v tilted ^: erf '· position shown. The 'pulling element' hinged to the outer edge 22 is folded under the pan base and is held by the nose 28 by means of a hanging loop 27. For the purpose of tilting, the hook 20 'lifts the eye 27 out of the nose 28 out. ~ ■ - · -.-

For hooking * and releasing the hook 20 on the bottom of the pan Means are advantageously also provided which 'trigger these processes automatically, so that the operating personnel is not endangered by this activity. For example, known ones that can be controlled in the opening and closing positions are suitable Crane hook.

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Claims (3)

- '' Λ, 2O2OΠ7O claims' 1. Turret for casting ladles, in which a horizontal plane rotatable, to the pivot point essentially symmetrical boom is designed at both ends for receiving a ladle, and which is rotatable such that the ladles can be optionally in at least one Pouring position or a purification position are to be moved, characterized in that it has an approximately centrally arranged column (12), with respect to which it can be rotated, and which can be aligned in the direction of the purification point with a cantilever arm (19) around its end a drivable and lockable chain or cable pull (10) engaging the pan base (9) revolves over a pulley (20). 2. Turret according to claim 1, characterized in that the column (12) is supported on the turret via a widened turntable (15) and has its own rotary drive (14, 24). 3. A turret according to claims 1 and 2, characterized in that lifting member is arranged (16 ^f) in the column (12) eih / Setten- or cable (10) attacking, pressurizable liquid. 4 ·. Rotary tower according to Claims 1 to 3, characterized in that the rotary drive of the column (12) is a pivoting cylinder arranged in the horizontal direction on the base of the rotary tower or a gear. · 109851/0 Rotary tower according to claim 4, characterized in that automatically triggering means are provided for the hooking and releasing of the hook (20 *) on the pan base (21). BAD OfHQtNAl 10 9 8 5 1/0651