EP2966233B1 - Device for suspended fixing a suspended ceiling of a tunnel - Google Patents

Device for suspended fixing a suspended ceiling of a tunnel Download PDF

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Publication number
EP2966233B1
EP2966233B1 EP15175882.8A EP15175882A EP2966233B1 EP 2966233 B1 EP2966233 B1 EP 2966233B1 EP 15175882 A EP15175882 A EP 15175882A EP 2966233 B1 EP2966233 B1 EP 2966233B1
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EP
European Patent Office
Prior art keywords
rod
roof
plate
tunnel
top plate
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EP15175882.8A
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German (de)
French (fr)
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EP2966233A1 (en
Inventor
Andreas Dipl.-Ing. Lamprecht
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Ostu-Stettin Hoch- und Tiefbau GmbH
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Ostu-Stettin Hoch- und Tiefbau GmbH
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Priority to SI201531773T priority Critical patent/SI2966233T1/en
Publication of EP2966233A1 publication Critical patent/EP2966233A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/18—Means for suspending the supporting construction
    • E04B9/20—Means for suspending the supporting construction adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003—Ventilation of traffic tunnels

Definitions

  • the invention relates to a device for the suspended fastening of a false ceiling on a roof of a tunnel, comprising a head plate which can be fastened to the roof with fastening means, a rod and an anchor plate for fastening the false ceiling, the head plate and the anchor plate via the rod in Are connected, the rod is held weld-free on the top plate.
  • the intermediate ceiling can be designed with a comparatively large thickness with pure edge support or without intermediate suspension, which, however, requires a high amount of material and therefore also entails corresponding costs. It is much more cost-effective to hang the false ceiling from the roof using suitable fasteners. As a result, the false ceiling can be made much thinner and thus more material-saving. If the connecting means are also flexible, dynamic loads can also be absorbed relatively well.
  • Devices known from the prior art for suspended fastening of an intermediate ceiling comprise a top plate which can be fixed in a roof with fastening means.
  • An intermediate body with a joint that receives an (anchor) rod connects to the head plate.
  • the (anchor) rod in turn carries an anchor plate at an end opposite the head plate, which is concreted into the intermediate ceiling. Due to the joint provided in the intermediate body, corresponding devices are flexible.
  • a connection between the intermediate body and the head plate poses a problem.
  • the intermediate body is welded to the head plate. In particular, given dynamic loads, very high demands are placed on the weld seams. This concerns on the one hand the manufacture and the subsequent testing of the device for operational suitability. On the other hand, notches can still be used known to lead to the fact that weld seams can no longer withstand a load.
  • the rod is connected directly or indirectly to the head plate without a weld seam.
  • the detachable fastening of the rod on the head plate provided results in simple manufacture.
  • a complex functional test can be omitted.
  • a device according to the invention can also withstand the given loads in use.
  • a device according to the invention also offers the advantage that it can be used in the rehabilitation of tunnels.
  • the simple structure of the device makes it possible, in particular, to attach the top plate to an existing roof. Then the connection can be made with a false ceiling. In the case of new buildings, too, the roof is first created before the top plate is attached to it.
  • the device according to the invention can be designed to be completely free of weld seams.
  • the rod can be connected to the head plate in particular by a screw connection.
  • the rod at a first end, the facing the head plate has an external thread.
  • the head plate has a bore with an internal thread into which an external thread of the rod engages.
  • the rod expediently has a corresponding external thread at a free first end, which cooperates with the internal thread of the head plate.
  • the head plate is designed with a bore and an adjoining ball socket.
  • a nut with a widened ball head and an internal thread is provided, into which an external thread of the rod can be screwed, the ball head being mounted in the ball socket of the head plate.
  • the nut with the ball head is passed from above, which is designed to be widened and comes to rest movably in the ball socket.
  • An external thread of the rod is then screwed into the internal thread of the nut so that the connection is established quickly, but nonetheless permanently stable.
  • the formation of a ball socket and a corresponding widened ball head on the nut results in a bearing which enables the nut to be deflected.
  • the nut is at a distance from the bore.
  • a maximum deflection angle can be set via this distance, which is predetermined by an inner diameter of the bore, which is usually measured at a maximum of 10 ° and usually from 3 ° to 7 °.
  • the rod receives an anchor plate.
  • the anchor plate can be attached to the rod in any way. It is particularly easy that the anchor plate is screwed to the rod. For this purpose, a corresponding external thread is provided on the rod at the second end, whereas the anchor plate has a corresponding internal thread.
  • the anchor plate is also designed with a bore and an adjoining ball socket and a nut, analogously to that described above for the top plate has been described, but the alignment of the nut is upwards or towards the roof. Depending on the installation situation, the anchor plate can then be provided with a corresponding design instead of the head plate in order to enable deflections. It is also possible that both the head plate and the anchor plate or base plate are designed with a bore and ball socket and are provided with an inserted nut. This allows the greatest flexibility.
  • the device consists of the head plate, the rod and the anchor plate as well as the nut, whereby the rod can optionally be designed with a clamping sleeve if the head plate is to be attached to a roof and the anchor plate is to be attached to an existing false ceiling, as is often the case with renovations.
  • a device according to the invention is preferably used for the suspended fastening of an intermediate ceiling on a roof of a tunnel.
  • a suspended intermediate ceiling of a tunnel advantageously comprises a device according to the invention, the anchor plate being enclosed by the intermediate ceiling or attached to it. Accordingly, according to the invention, a tunnel with a roof and an intermediate ceiling, which is held on the roof with connecting means, can be formed with connecting means which are at least partially designed as a device according to the invention.
  • a device 1 according to the invention is shown.
  • the device 1 is used to create an in Fig. 1 to hold only indicated intermediate ceiling 4 on a roof 3 of a tunnel 2 permanently.
  • the device 1 is designed with a head plate 5 and an anchor plate 7, which are connected via a rod 8.
  • the head plate 5 is designed with a bore 12, to which a widened ball socket 13 connects at the top.
  • a nut 14 with a ball head 15 designed to be widened is provided. After the bore 12 and the ball socket 13 have been produced in the head plate 5, the nut 14 with the ball head 15 is inserted from above into the head plate 5, so that the ball head 15, which is shown in FIG Fig.
  • the rod 8 which has an external thread 11 at a first end 9, is then inserted into an in Fig. 2 indicated internal thread 16 of the nut 14 screwed.
  • the anchor plate 7 is attached to a second end 10. This attachment can take place in any way, but for this purpose the rod 8 is also preferably designed with an external thread at the second end 10, so that an anchor plate 7 designed with a corresponding internal thread can be screwed on.
  • the top plate 5 is then fastened to the roof 3 with fastening means 6. This is preferably done in such a way that the top plate 5 comes to rest against the roof 3. After a large number of corresponding devices 1 have been installed in an area of an intermediate ceiling 4 to be drawn in, this can finally be concreted around the anchor plates 7. If a large number of devices 1 are provided, then the intermediate ceiling 4 can be concreted in a correspondingly thin and thus material-saving manner, without having to accept restrictions with regard to load-bearing capacity.
  • an inner diameter of the bore 12 is larger than an outer diameter of the nut 14. This creates a play between the edges of the bore 12 and an outer surface of the nut 14, so that the nut 14 interacts with the bearing of the ball head 15 in the Ball socket 13 is deflectable in a predetermined manner.
  • the maximum deflectability results from the given game. It is thus possible to design the maximum deflectability in relation to expected dynamic loads, but primarily to compensate for installation inaccuracies without constraints, as shown in Fig. 4 is shown for an angle of 6 °. Usually, a maximum deflection angle of less than 10 ° is specified, although larger angles would also be possible in principle. Usual angle ranges are in the range from 3 ° to 7 °. Even in the case of installation inaccuracies that can hardly be avoided, it can be achieved that the rod 8 is at least predominantly only subjected to tension, but not, or at least less, to bending.
  • the illustrated installation situation of the devices 1 corresponds to those areas in which the roof 3 extends horizontally or at least approximately horizontally. However, especially with a greater inclination of the roof 3 in a lateral area, it may be necessary to fasten the device 1 in an inclined manner.
  • Corresponding installation situations are in Fig. 5 and 6th shown, with a play between an inner diameter of the bore 12 and an outer diameter of the nut 14 can again be provided if necessary, so that the device 1 according to Fig. 5 is deflectable, as shown in Fig. 6 can be seen. This can be achieved in a simple manner if the ball socket 13 with the adjoining bore 12 in the head plate 5 is arranged at an incline. An angle of inclination is adapted to the installation situation.
  • the head plate 5 only has an internal thread in the area of the bore 12, but a ball socket 13 is dispensed with.
  • the rod 8 is fixed directly in the head plate 5 with the external thread 11 in the region of the first end 9 of the rod 8.
  • Such an embodiment variant is suitable when an articulated mounting with the ball socket 13 and the ball head 15 can be dispensed with.
  • the anchor plate 7 can be designed to be articulated. It is also possible that both the head plate 5 and the anchor plate 7 are designed accordingly.
  • top plate 5 is replaced by an anchor rod which is held in the roof 3 above a dowel.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zur abgehängten Befestigung einer Zwischendecke an einer Firste eines Tunnels, umfassend eine Kopfplatte, die mit Befestigungsmitteln an der Firste befestigbar ist, eine Stange und eine Ankerplatte für die Befestigung der Zwischendecke, wobei die Kopfplatte und die Ankerplatte über die Stange in Verbindung stehen, wobei die Stange an der Kopfplatte schweißnahtfrei gehalten ist.The invention relates to a device for the suspended fastening of a false ceiling on a roof of a tunnel, comprising a head plate which can be fastened to the roof with fastening means, a rod and an anchor plate for fastening the false ceiling, the head plate and the anchor plate via the rod in Are connected, the rod is held weld-free on the top plate.

Im Tunnelbau wird in neuerer Bauweise unterhalb einer Firste eine Zwischendecke eingezogen. Im Hohlraum zwischen der Zwischendecke und der Firste können die erforderlichen Einrichtungen für eine Belüftung, aber auch andere erforderliche Einrichtungen sichtfrei verbaut werden.In tunnel construction, a newer construction method is used to put in an intermediate ceiling below a roof. In the cavity between the false ceiling and the roof, the necessary equipment for ventilation, as well as other necessary equipment, can be installed so that it is clearly visible.

Um statischen Erfordernissen zu genügen, kann die Zwischendecke bei reiner Randlagerung bzw. ohne Zwischenabhängung mit einer vergleichsweise großen Stärke ausgeführt werden, was allerdings einen hohen Materialaufwand erfordert und daher auch entsprechende Kosten nach sich zieht. Wesentlich kostensparender ist es, die Zwischendecke durch geeignete Verbindungsmittel an der Firste abgehängt zu befestigen. Dadurch kann die Zwischendecke wesentlich dünner und damit materialsparender gestaltet werden. Sind die Verbindungsmittel zudem flexibel, können auch dynamische Belastungen relativ gut aufgenommen werden.In order to meet static requirements, the intermediate ceiling can be designed with a comparatively large thickness with pure edge support or without intermediate suspension, which, however, requires a high amount of material and therefore also entails corresponding costs. It is much more cost-effective to hang the false ceiling from the roof using suitable fasteners. As a result, the false ceiling can be made much thinner and thus more material-saving. If the connecting means are also flexible, dynamic loads can also be absorbed relatively well.

Aus dem Stand der Technik bekannte Vorrichtungen zur abgehängten Befestigung einer Zwischendecke umfassen eine Kopfplatte, die mit Befestigungsmitteln in einer Firste fixiert werden kann. An die Kopfplatte schließt ein Zwischenkörper mit einem Gelenk an, der eine (Anker-)Stange aufnimmt. Die (Anker-)Stange wiederum trägt an einem der Kopfplatte gegenüberliegenden Ende eine Ankerplatte, welche in die Zwischendecke einbetoniert wird. Aufgrund des im Zwischenkörper vorgesehenen Gelenks sind entsprechende Vorrichtungen flexibel. Wie im Rahmen der Erfindung erkannt wurde, stellt allerdings eine Verbindung des Zwischenkörpers mit der Kopfplatte ein Problem dar. Der Zwischenkörper ist an der Kopfplatte angeschweißt. Insbesondere bei gegebenen dynamischen Belastungen sind daher sehr hohe Anforderungen an die Schweißnähte zu stellen. Diese betrifft einerseits die Herstellung und die anschließende Prüfung der Vorrichtung auf Einsatztauglichkeit. Andererseits können dennoch bereits Kerben bekannterweise bei Schweißnähten dazu führen, dass diese einer Belastung nicht mehr standhalten.Devices known from the prior art for suspended fastening of an intermediate ceiling comprise a top plate which can be fixed in a roof with fastening means. An intermediate body with a joint that receives an (anchor) rod connects to the head plate. The (anchor) rod in turn carries an anchor plate at an end opposite the head plate, which is concreted into the intermediate ceiling. Due to the joint provided in the intermediate body, corresponding devices are flexible. As was recognized within the scope of the invention, however, a connection between the intermediate body and the head plate poses a problem. The intermediate body is welded to the head plate. In particular, given dynamic loads, very high demands are placed on the weld seams. This concerns on the one hand the manufacture and the subsequent testing of the device for operational suitability. On the other hand, notches can still be used known to lead to the fact that weld seams can no longer withstand a load.

Vorrichtungen zur abgehängten Befestigung einer Zwischendecke, wobei eine Kopfplatte und eine Ankerplatte mit einer Stange in Verbindung gehalten sind, sind aus der US 3,402,517 und der EP 0 465 413 A1 bekannt geworden.Devices for the suspended fastening of a false ceiling, wherein a head plate and an anchor plate are held in connection with a rod, are from the U.S. 3,402,517 and the EP 0 465 413 A1 known.

Bekannt sind auch Vorrichtungen, die kopfseitig in eine Firste einbetoniert werden, was aber einen hohen konstruktiven Aufwand mit sich bringt. Darüber hinaus können solche Vorrichtungen nicht für Sanierungen eingesetzt werden, da in diesem Fall die Firste bereits vorhanden ist.Devices are also known which are concreted into a roof at the head end, but this entails a high structural effort. In addition, such devices cannot be used for renovations, since in this case the roof is already in place.

Davon ausgehend ist es Aufgabe der Erfindung, eine Vorrichtung der eingangs genannten Art anzugeben, mit welcher diese Nachteile vermieden werden können.On this basis, it is the object of the invention to specify a device of the type mentioned at the beginning with which these disadvantages can be avoided.

Diese Aufgabe wird mit einer Vorrichtung gemäß Anspruch 1 gelöst.This object is achieved with a device according to claim 1.

Erfindungsgemäß wird die Stange schweißnahtfrei mit der Kopfplatte mittelbar oder unmittelbar verbunden. Durch die vorgesehene lösbare Befestigung der Stange an der Kopfplatte ergibt sich zum einen eine einfache Herstellung. Zum anderen kann auch eine aufwendige Funktionsprüfung entfallen. Schließlich kann eine erfindungsgemäße Vorrichtung auch den gegebenen Belastungen im Einsatz standhalten.According to the invention, the rod is connected directly or indirectly to the head plate without a weld seam. On the one hand, the detachable fastening of the rod on the head plate provided results in simple manufacture. On the other hand, a complex functional test can be omitted. Finally, a device according to the invention can also withstand the given loads in use.

Eine erfindungsgemäße Vorrichtung bietet zudem den Vorteil, dass diese bei der Sanierung von Tunneln eingesetzt werden kann. Der einfache Aufbau der Vorrichtung erlaubt es insbesondere, die Kopfplatte an einer vorhandenen Firste zu befestigen. Danach kann die Verbindung mit einer Zwischendecke erfolgen. Auch bei Neubauten wird zunächst die Firste erstellt, bevor die Kopfplatte an dieser befestigt wird. Dies erlaubt eine wesentlich einfachere Ausbildung der Vorrichtung als dies beispielsweise aus der EP 0 465 413 A1 oder der EP 0 541 487 A1 bekannt ist. Insbesondere kann die erfindungsgemäße Vorrichtung komplett schweißnahtfrei ausgebildet sein.A device according to the invention also offers the advantage that it can be used in the rehabilitation of tunnels. The simple structure of the device makes it possible, in particular, to attach the top plate to an existing roof. Then the connection can be made with a false ceiling. In the case of new buildings, too, the roof is first created before the top plate is attached to it. This allows a much simpler design of the device than, for example, from the EP 0 465 413 A1 or the EP 0 541 487 A1 is known. In particular, the device according to the invention can be designed to be completely free of weld seams.

Die Stange kann mit der Kopfplatte insbesondere durch eine Schraubverbindung verbunden sein. Hierfür ist es zweckmäßig, dass die Stange an einem ersten Ende, das der Kopfplatte zugewendet ist, ein Außengewinde aufweist. In einer besonders einfachen Variante weist die Kopfplatte eine Bohrung mit einem Innengewinde auf, in welches ein Außengewinde der Stange eingreift. Hierfür weist die Stange zweckmäßigerweise an einem freien ersten Ende ein entsprechendes Außengewinde auf, das mit dem Innengewinde der Kopfplatte zusammenwirkt.The rod can be connected to the head plate in particular by a screw connection. For this it is useful that the rod at a first end, the facing the head plate, has an external thread. In a particularly simple variant, the head plate has a bore with an internal thread into which an external thread of the rod engages. For this purpose, the rod expediently has a corresponding external thread at a free first end, which cooperates with the internal thread of the head plate.

Erfindungsgemäß ist die Kopfplatte mit einer Bohrung und einer daran anschließenden Kugelpfanne ausgebildet. In diesem Fall ist eine Mutter mit einem verbreiterten Kugelkopf und einem Innengewinde vorgesehen, in welches ein Außengewinde der Stange einschraubbar ist, wobei der Kugelkopf in der Kugelpfanne der Kopfplatte gelagert ist. Durch diese konstruktiven Maßnahmen ergibt sich eine Vorrichtung, die auf einfache Weise herstellbar ist, zugleich aber bei geeigneter Auslegung auch ähnlich einem Gelenk eine Flexibilität und damit einen zwängungsfreien Ausgleich situationsbedingter Abweichungen von einer Lotlage sowie die Aufnahme dynamischer Belastungen ermöglicht. Die Kopfplatte lässt sich einfach herstellen, indem zunächst eine Bohrung eingebracht wird und dann die Kugelpfanne ausgefräst wird. In diese Kugelpfanne wird von oben die Mutter mit dem Kugelkopf durchgeführt, der verbreitert ausgeführt ist und in der Kugelpfanne beweglich zu liegen kommt. In das Innengewinde der Mutter wird anschließend ein Außengewinde der Stange eingeschraubt, sodass die Verbindung rasch, aber dennoch dauerhaft stabil hergestellt ist. Durch die Ausbildung einer Kugelpfanne und eines hierzu korrespondierenden verbreiterten Kugelkopfes an der Mutter ergibt sich eine Lagerung, welche eine Auslenkung der Mutter ermöglicht. Hierfür ist vorgesehen, dass die Mutter einen Abstand zur Bohrung aufweist. Über diesen Abstand, der durch einen inneren Durchmesser der Bohrung vorbestimmt wird, lässt sich ein maximaler Auslenkungswinkel einstellen, der in der Regel mit maximal 10° und üblicherweise von 3° bis 7° bemessen ist.According to the invention, the head plate is designed with a bore and an adjoining ball socket. In this case, a nut with a widened ball head and an internal thread is provided, into which an external thread of the rod can be screwed, the ball head being mounted in the ball socket of the head plate. These constructive measures result in a device that is simple to manufacture, but at the same time, with a suitable design, also similar to a joint, enables flexibility and thus a constraint-free compensation of situation-related deviations from a perpendicular position as well as the absorption of dynamic loads. The top plate is easy to manufacture by first drilling a hole and then milling out the ball socket. In this ball socket, the nut with the ball head is passed from above, which is designed to be widened and comes to rest movably in the ball socket. An external thread of the rod is then screwed into the internal thread of the nut so that the connection is established quickly, but nonetheless permanently stable. The formation of a ball socket and a corresponding widened ball head on the nut results in a bearing which enables the nut to be deflected. For this purpose it is provided that the nut is at a distance from the bore. A maximum deflection angle can be set via this distance, which is predetermined by an inner diameter of the bore, which is usually measured at a maximum of 10 ° and usually from 3 ° to 7 °.

An einem zweiten Ende, das der Kopfplatte gegenüberliegt, nimmt die Stange eine Ankerplatte auf. Die Befestigung der Ankerplatte an der Stange kann auf beliebige Art erfolgen. Besonders einfach ist es, dass die Ankerplatte mit der Stange verschraubt ist. Hierfür ist an der Stange am zweiten Ende ein entsprechendes Außengewinde vorgesehen, wohingegen die Ankerplatte ein korrespondierendes Innengewinde aufweist. Möglich ist es, dass auch die Ankerplatte mit einer Bohrung und einer anschließenden Kugelpfanne sowie einer Mutter ausgebildet ist, und zwar analog, wie dies vorstehend für die Kopfplatte beschrieben wurde, wobei die Ausrichtung der Mutter aber nach oben bzw. zur Firste hin erfolgt. Je nach Einbausituation kann dann die Ankerplatte anstelle der Kopfplatte mit entsprechender Ausbildung vorgesehen sein, um Auslenkungen zu ermöglichen. Möglich ist es auch, dass sowohl die Kopfplatte als auch die Ankerplatte bzw. Fußplatte mit einer Bohrung und Kugelpfanne ausgebildet und mit einer eingesetzten Mutter versehen sind. Dies erlaubt die größte Flexibilität.At a second end, which is opposite the head plate, the rod receives an anchor plate. The anchor plate can be attached to the rod in any way. It is particularly easy that the anchor plate is screwed to the rod. For this purpose, a corresponding external thread is provided on the rod at the second end, whereas the anchor plate has a corresponding internal thread. It is possible that the anchor plate is also designed with a bore and an adjoining ball socket and a nut, analogously to that described above for the top plate has been described, but the alignment of the nut is upwards or towards the roof. Depending on the installation situation, the anchor plate can then be provided with a corresponding design instead of the head plate in order to enable deflections. It is also possible that both the head plate and the anchor plate or base plate are designed with a bore and ball socket and are provided with an inserted nut. This allows the greatest flexibility.

In einer besonders einfachen Ausführungsvariante besteht die Vorrichtung aus der Kopfplatte, der Stange und der Ankerplatte sowie der Mutter, wobei gegebenenfalls die Stange mit einer Spannhülse ausgebildet sein kann, wenn die Kopfplatte an einer Firste und die Ankerplatte an einer bereits bestehenden Zwischendecke befestigt werden soll, wie dies bei Sanierungen häufig der Fall ist.In a particularly simple variant, the device consists of the head plate, the rod and the anchor plate as well as the nut, whereby the rod can optionally be designed with a clamping sleeve if the head plate is to be attached to a roof and the anchor plate is to be attached to an existing false ceiling, as is often the case with renovations.

Entsprechend den vorstehend dargelegten Vorteilen findet eine erfindungsgemäße Vorrichtung bevorzugt Verwendung zur abgehängten Befestigung einer Zwischendecke an einer Firste eines Tunnels.In accordance with the advantages set out above, a device according to the invention is preferably used for the suspended fastening of an intermediate ceiling on a roof of a tunnel.

Aufgrund der dargestellten Vorteile ergibt sich des Weiteren, dass eine abgehängte Zwischendecke eines Tunnels mit Vorteil eine erfindungsgemäße Vorrichtung umfasst, wobei die Ankerplatte von der Zwischendecke eingeschlossen oder an dieser befestigt ist. Demgemäß kann nach der Erfindung ein Tunnel mit einer Firste und einer Zwischendecke, die mit Verbindungsmitteln an der Firste gehalten ist, mit Verbindungsmitteln ausgebildet sein, die zumindest teilweise als erfindungsgemäße Vorrichtung ausgebildet sind.Due to the advantages shown, it also results that a suspended intermediate ceiling of a tunnel advantageously comprises a device according to the invention, the anchor plate being enclosed by the intermediate ceiling or attached to it. Accordingly, according to the invention, a tunnel with a roof and an intermediate ceiling, which is held on the roof with connecting means, can be formed with connecting means which are at least partially designed as a device according to the invention.

Weitere Merkmale, Vorteile und Wirkungen der Erfindung ergeben sich aus den nachfolgend dargestellten Ausführungsbeispielen. In den Zeichnungen, auf welche dabei Bezug genommen wird, zeigen:

Fig. 1
eine erfindungsgemäße Vorrichtung;
Fig. 2
eine Mutter mit einem Kugelkopf;
Fig. 3
eine Kopfplatte mit einer Kugelpfanne;
Fig. 4
eine weitere erfindungsgemäße Vorrichtung;
Fig. 5
eine weitere erfindungsgemäße Vorrichtung;
Fig. 6
eine weitere erfindungsgemäße Vorrichtung.
Further features, advantages and effects of the invention emerge from the exemplary embodiments presented below. In the drawings to which reference is made:
Fig. 1
a device according to the invention;
Fig. 2
a nut with a ball head;
Fig. 3
a head plate with a ball socket;
Fig. 4
another device according to the invention;
Fig. 5
another device according to the invention;
Fig. 6
another device according to the invention.

In Fig. 1 ist eine erfindungsgemäße Vorrichtung 1 dargestellt. Die Vorrichtung 1 dient dazu, eine in Fig. 1 nur angedeutete Zwischendecke 4 an einer Firste 3 eines Tunnels 2 dauerhaft zu halten. Die Vorrichtung 1 ist hierzu mit einer Kopfplatte 5 sowie einer Ankerplatte 7 ausgebildet, welche über eine Stange 8 in Verbindung stehen. Zur Befestigung der Stange 8 an der Kopfplatte 5 ist die Kopfplatte 5 mit einer Bohrung 12 ausgebildet, an welche nach oben hin eine verbreiterte Kugelpfanne 13 anschließt. Dazu korrespondierend ist eine Mutter 14 mit einem verbreitert ausgeführten Kugelkopf 15 vorgesehen. Nach Herstellung der Bohrung 12 sowie der Kugelpfanne 13 in der Kopfplatte 5 wird die Mutter 14 mit dem Kugelkopf 15 von oben in die Kopfplatte 5 eingesetzt, sodass der Kugelkopf 15, der in Fig. 2 im Detail ersichtlich ist, in der Kugelpfanne 13, die in Fig. 3 im Detail ersichtlich ist, zu liegen kommt. Anschließend wird die Stange 8, die an einem ersten Ende 9 ein Außengewinde 11 aufweist, in ein in Fig. 2 angedeutetes Innengewinde 16 der Mutter 14 eingedreht. An einem zweiten Ende 10 wird die Ankerplatte 7 befestigt. Diese Befestigung kann an sich auf beliebige Art erfolgen, vorzugsweise ist aber hierfür die Stange 8 am zweiten Ende 10 ebenfalls mit einem Außengewinde ausgebildet, sodass eine mit einem entsprechenden Innengewinde ausgebildete Ankerplatte 7 aufgeschraubt werden kann.In Fig. 1 a device 1 according to the invention is shown. The device 1 is used to create an in Fig. 1 to hold only indicated intermediate ceiling 4 on a roof 3 of a tunnel 2 permanently. For this purpose, the device 1 is designed with a head plate 5 and an anchor plate 7, which are connected via a rod 8. To fasten the rod 8 to the head plate 5, the head plate 5 is designed with a bore 12, to which a widened ball socket 13 connects at the top. Corresponding to this, a nut 14 with a ball head 15 designed to be widened is provided. After the bore 12 and the ball socket 13 have been produced in the head plate 5, the nut 14 with the ball head 15 is inserted from above into the head plate 5, so that the ball head 15, which is shown in FIG Fig. 2 can be seen in detail, in the ball socket 13, which in Fig. 3 can be seen in detail, comes to rest. The rod 8, which has an external thread 11 at a first end 9, is then inserted into an in Fig. 2 indicated internal thread 16 of the nut 14 screwed. The anchor plate 7 is attached to a second end 10. This attachment can take place in any way, but for this purpose the rod 8 is also preferably designed with an external thread at the second end 10, so that an anchor plate 7 designed with a corresponding internal thread can be screwed on.

Bei der Montage bzw. Verbauung der Vorrichtung 1 wird diese zunächst wie vorstehend beschrieben zusammengestellt. Anschließend wird die Kopfplatte 5 mit Befestigungsmitteln 6 an der Firste 3 befestigt. Dies erfolgt vorzugsweise so, dass die Kopfplatte 5 an der Firste 3 zur Anlage kommt. Nach Montage einer Vielzahl von entsprechenden Vorrichtungen 1 in einem Bereich einer einzuziehenden Zwischendecke 4 kann diese schließlich um die Ankerplatten 7 herum betoniert werden. Ist eine Vielzahl von Vorrichtungen 1 vorgesehen, so kann die Zwischendecke 4 entsprechend dünn und damit materialsparend betoniert werden, ohne Einschränkungen in Bezug auf eine Belastbarkeit hinnehmen zu müssen.When assembling or building the device 1, this is first put together as described above. The top plate 5 is then fastened to the roof 3 with fastening means 6. This is preferably done in such a way that the top plate 5 comes to rest against the roof 3. After a large number of corresponding devices 1 have been installed in an area of an intermediate ceiling 4 to be drawn in, this can finally be concreted around the anchor plates 7. If a large number of devices 1 are provided, then the intermediate ceiling 4 can be concreted in a correspondingly thin and thus material-saving manner, without having to accept restrictions with regard to load-bearing capacity.

Wie aus Fig. 1 ersichtlich ist, ist ein innerer Durchmesser der Bohrung 12 größer dimensioniert als ein äußerer Durchmesser der Mutter 14. Dadurch ist ein Spiel zwischen den Rändern der Bohrung 12 und einer äußeren Oberfläche der Mutter 14 gegeben, sodass die Mutter 14 im Zusammenspiel mit der Lagerung des Kugelkopfes 15 in der Kugelpfanne 13 in vorbestimmter Weise auslenkbar ist. Die maximale Auslenkbarkeit ergibt sich dabei durch das vorgegebene Spiel. Es ist somit möglich, die maximale Auslenkbarkeit in Bezug auf erwartete dynamische Belastungen, primär aber zum Ausgleich von Einbauungenauigkeiten ohne Zwängungen auszulegen, wie dies in Fig. 4 für einen Winkel von 6° dargestellt ist. Üblicherweise wird ein maximaler Auslenkungswinkel mit weniger als 10° festgelegt, obwohl grundsätzlich auch größere Winkel möglich wären. Übliche Winkelbereiche liegen im Bereich von 3° bis 7°. Selbst bei kaum vermeidbaren Einbauungenauigkeiten kann dadurch erreicht werden, dass die Stange 8 zumindest überwiegend nur auf Zug, aber nicht oder zumindest weniger auf Biegung beansprucht wird.How out Fig. 1 As can be seen, an inner diameter of the bore 12 is larger than an outer diameter of the nut 14. This creates a play between the edges of the bore 12 and an outer surface of the nut 14, so that the nut 14 interacts with the bearing of the ball head 15 in the Ball socket 13 is deflectable in a predetermined manner. The maximum deflectability results from the given game. It is thus possible to design the maximum deflectability in relation to expected dynamic loads, but primarily to compensate for installation inaccuracies without constraints, as shown in Fig. 4 is shown for an angle of 6 °. Usually, a maximum deflection angle of less than 10 ° is specified, although larger angles would also be possible in principle. Usual angle ranges are in the range from 3 ° to 7 °. Even in the case of installation inaccuracies that can hardly be avoided, it can be achieved that the rod 8 is at least predominantly only subjected to tension, but not, or at least less, to bending.

Die in Fig. 1 und 4 dargestellte Einbausituation der Vorrichtungen 1 entspricht jenen Bereichen, in denen die Firste 3 horizontal oder zumindest annähernd horizontal verläuft. Vor allem bei stärkerer Neigung der Firste 3 in einem seitlichen Bereich kann es aber erforderlich sein, die Vorrichtung 1 geneigt zu befestigen. Entsprechende Einbausituationen sind in Fig. 5 und 6 dargestellt, wobei bei Bedarf wiederum ein Spiel zwischen einem inneren Durchmesser der Bohrung 12 und einem äußeren Durchmesser der Mutter 14 vorgesehen sein kann, sodass die Vorrichtung 1 gemäß Fig. 5 auslenkbar ist, wie dies in Fig. 6 ersichtlich ist. Dies kann auf einfache Weise erreicht werden, wenn die Kugelpfanne 13 mit der daran anschließenden Bohrung 12 in der Kopfplatte 5 geneigt angeordnet ist. Ein Neigungswinkel wird dabei auf die Einbausituation angepasst.In the Fig. 1 and 4th The illustrated installation situation of the devices 1 corresponds to those areas in which the roof 3 extends horizontally or at least approximately horizontally. However, especially with a greater inclination of the roof 3 in a lateral area, it may be necessary to fasten the device 1 in an inclined manner. Corresponding installation situations are in Fig. 5 and 6th shown, with a play between an inner diameter of the bore 12 and an outer diameter of the nut 14 can again be provided if necessary, so that the device 1 according to Fig. 5 is deflectable, as shown in Fig. 6 can be seen. This can be achieved in a simple manner if the ball socket 13 with the adjoining bore 12 in the head plate 5 is arranged at an incline. An angle of inclination is adapted to the installation situation.

Es sind auch noch einfachere nicht erfindungsgemäße Ausbildungen einer Vorrichtung 1 möglich. Für besonders einfache Systeme kann vorgesehen sein, dass die Kopfplatte 5 im Bereich der Bohrung 12 bloß ein Innengewinde aufweist, auf eine Kugelpfanne 13 allerdings verzichtet wird. In diesem Fall wird die Stange 8 mit dem Außengewinde 11 im Bereich des ersten Endes 9 der Stange 8 unmittelbar in der Kopfplatte 5 fixiert. Eine derartige Ausführungsvariante eignet sich dann, wenn auf eine gelenkige Lagerung mit der Kugelpfanne 13 und dem Kugelkopf 15 verzichtet werden kann.Even simpler designs of a device 1 that are not according to the invention are also possible. For particularly simple systems, it can be provided that the head plate 5 only has an internal thread in the area of the bore 12, but a ball socket 13 is dispensed with. In this case, the rod 8 is fixed directly in the head plate 5 with the external thread 11 in the region of the first end 9 of the rod 8. Such an embodiment variant is suitable when an articulated mounting with the ball socket 13 and the ball head 15 can be dispensed with.

In anderen Varianten kann anstelle der Kopfplatte 5 die Ankerplatte 7 zur gelenkigen Aufnahme ausgebildet sein. Möglich ist es auch, dass sowohl die Kopfplatte 5 als auch die Ankerplatte 7 entsprechend ausgebildet sind.In other variants, instead of the head plate 5, the anchor plate 7 can be designed to be articulated. It is also possible that both the head plate 5 and the anchor plate 7 are designed accordingly.

Möglich ist es für bestimmte nicht erfindungsgemäße Anwendungsfälle auch, dass die Kopfplatte 5 durch eine Ankerstange ersetzt wird, die über einem Dübel in der Firste 3 gehalten wird.For certain applications not according to the invention, it is also possible for the top plate 5 to be replaced by an anchor rod which is held in the roof 3 above a dowel.

Claims (8)

  1. A device (1) for the suspended fastening of a false ceiling (4) on a roof (3) of a tunnel (2), comprising a top plate (5), which can be fastened on the roof (3) using fastening means (6), a rod (8) and an anchor plate (7) for fastening the false ceiling (4), the top plate (5) and the anchor plate (7) being connected by means of the rod (8), the rod (8) being held on the top plate (5) in a non-welded manner, characterized in that the top plate (5) is constructed with a hole (12) and a ball socket (13) adjacent thereto, and a nut (14) is provided with a widened ball head (15) and an internal thread (16), into which an external thread (11) of the rod (8) can be screwed, wherein the ball head (15) is mounted in the ball socket (13) of the top plate (5).
  2. The device (1) according to claim 1, characterized in that the rod (8) is connected to the top plate (5) by a screwed connection.
  3. The device (1) according to claim 1 or 2, characterized in that the rod (8) has an external thread (11) at a first end (9) which is turned towards the top plate (5) .
  4. The device (1) according to claim 1, characterized in that the nut (14) has a spacing from the hole (12).
  5. The device (1) according to one of claims 1 to 4, characterized in that the anchor plate (7) is screwed to the rod (8).
  6. The use of a device (1) according to one of claims 1 to 5 for the suspended fastening of a false ceiling (4) on a roof (3) of a tunnel (2).
  7. A suspended false ceiling (4) of a tunnel (2), comprising a device (1) according to one of claims 1 to 5, wherein the anchor plate (7) is enclosed by the false ceiling (4) or fastened on the same.
  8. A tunnel (2) having a roof (3) and a false ceiling (4), which is held on the roof (3) using connecting means, wherein the connecting means are constructed at least to some extent as a device (1) according to one of claims 1 to 5.
EP15175882.8A 2014-07-08 2015-07-08 Device for suspended fixing a suspended ceiling of a tunnel Active EP2966233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201531773T SI2966233T1 (en) 2014-07-08 2015-07-08 Device for suspended fixing a suspended ceiling of a tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATGM50107/2014U AT14430U1 (en) 2014-07-08 2014-07-08 Device for the suspended attachment of a false ceiling of a tunnel

Publications (2)

Publication Number Publication Date
EP2966233A1 EP2966233A1 (en) 2016-01-13
EP2966233B1 true EP2966233B1 (en) 2021-11-10

Family

ID=54398628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15175882.8A Active EP2966233B1 (en) 2014-07-08 2015-07-08 Device for suspended fixing a suspended ceiling of a tunnel

Country Status (3)

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EP (1) EP2966233B1 (en)
AT (1) AT14430U1 (en)
SI (1) SI2966233T1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105525716A (en) * 2016-01-24 2016-04-27 朱学成 Hidden house ceiling rack
IT201900020524A1 (en) * 2019-11-07 2021-05-07 Cristiano Regeni DEVICE AND PROCEDURE FOR INSTALLING A FALSE CEILING
CN112459339A (en) * 2020-12-25 2021-03-09 江西应用技术职业学院 Indoor suspended ceiling structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402517A (en) * 1967-10-03 1968-09-24 Emerson Electric Co Ceiling and suspension and leveling means therefor
CH681646A5 (en) * 1990-07-06 1993-04-30 Manfred Krattiger
DE9102896U1 (en) * 1991-03-11 1991-05-29 hülsta-werke Hüls GmbH & Co KG, 4424 Stadtlohn Supporting structure for a suspended ceiling
DK0541487T3 (en) * 1991-11-05 1997-09-29 Toni H Erb Device for anchoring a draft-loaded structural element
KR200172378Y1 (en) * 1999-09-13 2000-03-15 장한백 Apparatus for adjusting position of architectural ceili late fixture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
AT14430U1 (en) 2015-11-15
SI2966233T1 (en) 2022-02-28
EP2966233A1 (en) 2016-01-13

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