EP2530223B1 - Safety fence - Google Patents

Safety fence Download PDF

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Publication number
EP2530223B1
EP2530223B1 EP11168728.1A EP11168728A EP2530223B1 EP 2530223 B1 EP2530223 B1 EP 2530223B1 EP 11168728 A EP11168728 A EP 11168728A EP 2530223 B1 EP2530223 B1 EP 2530223B1
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EP
European Patent Office
Prior art keywords
hole
fastening screw
screw
connecting plate
frame
Prior art date
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Not-in-force
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EP11168728.1A
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German (de)
French (fr)
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EP2530223A1 (en
Inventor
Bodo Tönnigs
Sven Tönnigs
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Gsf Gesellschaft fur System- und Fordertechnik Mbh
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Gsf Gesellschaft fur System- und Fordertechnik Mbh
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Priority to EP11168728.1A priority Critical patent/EP2530223B1/en
Priority to PL11168728T priority patent/PL2530223T3/en
Publication of EP2530223A1 publication Critical patent/EP2530223A1/en
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Publication of EP2530223B1 publication Critical patent/EP2530223B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/20—Posts therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/165—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using panels with rigid filling and frame

Definitions

  • the invention relates to a safety or protective fence, as they are commonly used in industrial plants to control access to machinery and equipment for occupational safety reasons.
  • the at least one holding device such as a fence post, a wall, a supporting structure, a machine or the like solid structure, which has at least one connecting tab with at least one bore, further at least one arranged on the holding device fence panel, which has a frame opposing wall sections, which may be made for example of angle sections, hollow sections or rod material, comprising a corresponding with the holes of the connecting plate, two opposite wall sections penetrating pair of holes, and each one arranged in the superimposed holes of the frame and the connecting plate fastening screw comprises, wherein at least the side facing away from the connecting tab of the holding device bore of a pair of holes a on the second bore of the pair of holes to be projected collar for guiding the fixing screw and wherein the fastening screw is either a standard screw and a sleeve is arranged inside the frame on the shaft of the fastening screw, or the fastening screw is a shaft screw, wherein the unthreaded shaft has a larger diameter than the thread.
  • This collar can be made for example by flow forming.
  • a pair of holes can be made in the context of a fence panel by simply drilling through both opposite walls of the frame and then be formed on the one hole of the hole pair a collar by flow forming.
  • flow drilling or flow forming is a chipless forming process in thin-walled material.
  • the flow drill has a conical tip and a subsequent cylindrical part that determines the diameter of the resulting bore, but no chip spaces like a conventional drill bit.
  • the machined material is not machined, but displaced by the force of the drill and the resulting frictional heat and deformed into a bead-shaped collar.
  • the collar serves as the fastening screw to be used on the one hand as an axial guide, so that the thread can be easily and safely inserted through the opposite bore of the hole pair.
  • the inwardly projecting collar allows the screw head to be countersunk into the frame without the head end of the fastening screw being able to tip into the interior of the frame due to its own weight. It is achieved by the proposed collar so a reduced risk of injury, because the screw disappears completely in the hole of the fence panel and thus does not survive a screw head, but without the screw can fall into the frame.
  • the fastening screw is a standard screw and in the interior of the frame, ie between the opposite wall sections, on the shaft of the fastening screw a sleeve is arranged.
  • a standard screw in this sense is a universally applicable hexagon screw, hexagon socket screw or like, in which the head is clearly offset from the shaft.
  • the sleeve, which is arranged on the shaft of the standard screw must have a diameter which is at least as large as the diameter or the largest external dimension of the screw head, so that the sleeve is guided during insertion of the screw on the collar of the first bore of a bore pair in that the thread at the front end of the screw is securely guided towards the opposite bore of the pair of bores.
  • the length of the sleeve is chosen so that one end is still held in the collar when the other end abuts the opposite wall of the frame.
  • the fastening screw is a shaft screw, in which the unthreaded shaft has a larger diameter than the thread.
  • the unthreaded shaft has a larger diameter than the thread.
  • no sleeve is needed because the thickened shaft ensures the leadership of the mounting screw on the collar of a bore of a pair of holes.
  • a part is less needed to realize the proposed screw accordingly.
  • a securing disk is arranged on its side facing the connecting link of the holding device.
  • locking washers for example, engaging in the thread locking washers made of sheet metal can be used.
  • the lock washer ensures that the fastening screws arranged in the hole pair of the frame can not be lost.
  • the fastening screw has no head remote from the shaft, but has at the head end a hexagon socket (for example INBUS), hexalobular (for example TORX) or a similar, in particular recessed, key surface.
  • a hexagon socket for example INBUS
  • hexalobular for example TORX
  • a similar, in particular recessed, key surface is part of the thickened shaft.
  • the bore of the connecting plate has an internal thread.
  • Fig. 1 In the first embodiment according to Fig. 1 is a fence panel 2 having a frame 21 of rectangular hollow sections, attached to two connecting plates 15 of a holding device in the form of a fence post 1.
  • the fence post 1 has a column 11 of a vertical rectangular hollow profile, at the upper end of the column 11, a cover plate 12, at the lower end of the column 11, a base plate 13 with mounting holes 14, and laterally on the column 11, a connecting plate 15 with a bore 16, which has an internal thread and a cross-sectionally U-shaped support bracket 17.
  • the frame 21 of the fence panel 2 may for example be filled with a sheet metal, perforated plate, rods, expanded metal, transparent plastic or similar materials.
  • Each vertical strut of the frame 21 has a pair of holes, which is arranged corresponding to the bore 16 of the connecting plate 15.
  • the connecting hole 15 of the fence post 1 facing the second bore 24 of the hole pair is a simple through hole whose diameter is chosen so that the threaded shaft 33 of a standard screw 3 can be accommodated therein.
  • the opposite, facing away from the connecting plate 15 first bore 22 of the pair of holes, however, is made by flow molding and therefore has an inwardly projecting collar 23, the inner diameter is significantly larger than the diameter of the opposite second bore 24. This inner diameter is also larger than that Head 31 of the mounting screw 3, so that their head 31 can be sunk in it.
  • the head 31 On the shaft 32 of the fastening screw 3, the head 31 has a hexagon socket, a hollow cylindrical sleeve 4 is arranged, whose outer diameter is greater than the diameter of the head 31 of the fastening screw 3, but slightly smaller than the inner diameter of the collar 23rd the first bore 22 is, so that the sleeve 4 can be pushed through the collar 23 and is guided by the collar 23 to the second bore 24 to.
  • the length of the sleeve 4 is dimensioned so that one end is still supported by the collar 23, while its other end already rests against the opposite wall of the hollow profile.
  • a locking washer 5 is arranged, which engages in the external thread 33 and therefore can not be lost. As a result, the fastening screw 3 can not be lost.
  • the fastening screw 3 is screwed into the internally threaded bore 16 of the connecting plate 15, so that a nut is not needed.
  • the bore 16 in the connecting plate 15 is countersunk to provide the necessary space for the lock washer 5.
  • the fence panel 2 is supported by the support bracket 17 and secured against slipping on both sides and can therefore be easily attached without it being manually supported.
  • the proposed manner of attaching the fence panel 2 to the fence post 1 allows a gapless construction of a security fence, i. the fence panel 2 abuts the side of the fence post. 1
  • Fig. 2 is a similar embodiment as in Fig. 1 shown. The only difference is that the frame 21 of the fence panel 2 is formed of tubular profiles.
  • connection device not only for frame 21 of rectangular hollow sections, but for any conceivable hollow sections is suitable and produces the desired benefits.
  • the fence post 1 could be made of any hollow sections, sheet metal profiles or solid material.
  • Fig. 3 Finally, an embodiment in which, in addition to the in Fig. 1 and 2 shown sleeves can be omitted because the mounting screw 3 is guided directly on the collar 23 of the first bore 22 of the frame 21 and can not fall into the hollow section.
  • the fastening screw 3 used here is a custom-made, which has no stepped head 31.
  • a hexagon socket is arranged to tighten the mounting screw 3 can.
  • the fastening screw 3 has a thickened shaft 32, the length of which corresponds approximately to the diameter of the frame 21 formed by tubular profiles of the fence panel 2. At the other end, the fastening screw 3 has a thread 33 whose diameter is smaller than that of the shaft 32, so that the movement of the fastening screw 3 is stopped at the opposite wall of the frame 21, wherein the thread 33 protrudes through the second bore 24 therethrough ,
  • a lock washer 5 which holds the mounting screw 3 in place so that it can not be lost.
  • the bore 16 of the connecting plate 15 has an internal thread, so that no nut is required, and is countersunk to provide the required space for the lock washer 5.

Description

Die Erfindung betrifft einen Sicherheits- oder Schutzzaun, wie sie üblicherweise in Industrieanlagen verwendet werden, um den Zutritt zu Maschinen und Anlagen aus arbeitsschutzrechtlichen Gründen zu kontrollieren.The invention relates to a safety or protective fence, as they are commonly used in industrial plants to control access to machinery and equipment for occupational safety reasons.

An Sicherheitszäune der genannten Art werden besondere Anforderungen gestellt hinsichtlich einfachem und schnellem Auf- und Abbau, vielfältiger Konfigurierbarkeit, geringes Verletzungsrisiko, Manipulationssicherheit usw.At security fences of the type mentioned special requirements are made in terms of easy and fast assembly and disassembly, multiple configurability, low risk of injury, security against manipulation, etc.

Aus GB 804 248 A sind einfache Ausführungen von Schutzzäunen bekannt.Out GB 804 248 A simple versions of protective fences are known.

In FR 1 189 384 A sind Bohrungen mit Kragen beschrieben.In FR 1 189 384 A are described holes with collar.

DE 28 02 229 A1 beschreibt spezielle Ausgestaltungen von Fließformwerkzeugen. DE 28 02 229 A1 describes specific embodiments of flow forming tools.

Es besteht daher Bedarf, die Verbindung zwischen Zaunpfählen eines Sicherheitszauns und Zaunfeldern, die an den Zaunpfählen angebracht werden, zu vereinfachen, leichter bedienbar zu machen, verletzungssicher zu gestalten und gegen Manipulationen zu schützen.There is therefore a need to simplify the connection between fence posts of a security fence and fence panels that are attached to the fence posts, make them easier to use, injury-resistant and to protect against manipulation.

Diese Aufgabe wird gelöst durch einen Sicherheitszaun mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen und Weiterbildungen sind in den abhängigen Ansprüchen beschrieben.This task is solved by a security fence with The features of claim 1. Advantageous embodiments and further developments are described in the dependent claims.

Vorgeschlagen wird ein Sicherheitszaun, der mindestens eine Halteeinrichtung, beispielsweise einen Zaunpfosten, eine Wand, ein Tragwerk, eine Maschine oder dergleichen feste Struktur, welche mindestens eine Verbindungslasche mit mindestens einer Bohrung aufweist, weiter mindestens ein an der Halteeinrichtung angeordnetes Zaunfeld, welches einen Rahmen mit einander gegenüberliegenden Wandabschnitten, der beispielsweise aus Winkelprofilen, Hohlprofilen oder Stabmaterial gefertigt sein kann, aufweist, der ein mit den Bohrungen der Verbindungslasche korrespondierendes, zwei gegenüberliegende Wandabschnitte durchdringendes Bohrungspaar aufweist, und je eine in den übereinanderliegenden Bohrungen des Rahmens und der Verbindungslasche angeordnete Befestigungsschraube umfasst, wobei zumindest die von der Verbindungslasche der Halteeinrichtung abgewandte Bohrung eines Bohrungspaares einen auf die zweite Bohrung des Bohrungspaares zu ragenden Kragen zur Führung der Befestigungsschraube aufweist und wobei die Befestigungsschraube entweder eine Standardschraube ist und im Innern des Rahmens auf dem Schaft der Befestigungsschraube eine Hülse angeordnet ist, oder die Befestigungsschraube eine Schaftschraube ist, bei der der gewindefreie Schaft einen größeren Durchmesser als das Gewinde aufweist.Proposed is a security fence, the at least one holding device, such as a fence post, a wall, a supporting structure, a machine or the like solid structure, which has at least one connecting tab with at least one bore, further at least one arranged on the holding device fence panel, which has a frame opposing wall sections, which may be made for example of angle sections, hollow sections or rod material, comprising a corresponding with the holes of the connecting plate, two opposite wall sections penetrating pair of holes, and each one arranged in the superimposed holes of the frame and the connecting plate fastening screw comprises, wherein at least the side facing away from the connecting tab of the holding device bore of a pair of holes a on the second bore of the pair of holes to be projected collar for guiding the fixing screw and wherein the fastening screw is either a standard screw and a sleeve is arranged inside the frame on the shaft of the fastening screw, or the fastening screw is a shaft screw, wherein the unthreaded shaft has a larger diameter than the thread.

Dieser Kragen kann beispielsweise durch Fließformen hergestellt sein. Beispielsweise kann ein Bohrungspaar im Rahmen eines Zaunfelds durch einfaches Durchbohren beider gegenüberliegender Wandungen des Rahmens hergestellt sein und anschließend an die eine Bohrung des Bohrungspaares ein Kragen durch Fließformen angeformt sein. Alternativ ist es möglich, die eine Bohrung des Bohrungspaares auf konventionelle Weise durch Bohren zu erzeugen und die andere Bohrung des Bohrungspaares durch Fließformen zu erzeugen, wobei gleichzeitig ein nach innen ragender Kragen erzeugt wird. Im Gegensatz zum spanenden Bohren ist das Fließbohren oder Fließformen (auch Fließlochbohren oder Fließlochformen) ein spanloser Umformprozess in dünnwandigem Werkstoff. Der Fließbohrer hat eine konische Spitze und einen daran anschließenden zylindrischen Teil, der den Durchmesser der entstehenden Bohrung bestimmt, jedoch keine Spanräume wie ein herkömmlicher Bohrer. Das bearbeitete Material wird nicht zerspant, sondern durch die Kraft des Bohrers und die entstehende Reibungswärme verdrängt und zu einem wulstförmigen Kragen verformt.This collar can be made for example by flow forming. For example, a pair of holes can be made in the context of a fence panel by simply drilling through both opposite walls of the frame and then be formed on the one hole of the hole pair a collar by flow forming. Alternatively it is it is possible to make one bore of the pair of holes in a conventional manner by drilling and to generate the other bore of the pair of holes by flow forming, at the same time generating an inwardly projecting collar. In contrast to chip drilling, flow drilling or flow forming (also flow-hole drilling or flow-hole forming) is a chipless forming process in thin-walled material. The flow drill has a conical tip and a subsequent cylindrical part that determines the diameter of the resulting bore, but no chip spaces like a conventional drill bit. The machined material is not machined, but displaced by the force of the drill and the resulting frictional heat and deformed into a bead-shaped collar.

Der Kragen dient der einzusetzenden Befestigungsschraube einerseits als Axialführung, so dass das Gewinde einfach und sicher durch die gegenüberliegende Bohrung des Bohrungspaares gesteckt werden kann. Andererseits ermöglicht der nach innen ragende Kragen, dass der Schraubenkopf in den Rahmen hinein versenkt werden kann, ohne dass das Kopfende der Befestigungsschraube aufgrund des Eigengewichts in das Innere des Rahmens abkippen kann. Es wird durch den vorgeschlagenen Kragen also eine verminderte Verletzungsgefahr erreicht, weil die Schraube vollständig in der Bohrung des Zaunfeldes verschwindet und damit kein Schraubenkopf übersteht, ohne dass die Schraube jedoch in den Rahmen hineinfallen kann.The collar serves as the fastening screw to be used on the one hand as an axial guide, so that the thread can be easily and safely inserted through the opposite bore of the hole pair. On the other hand, the inwardly projecting collar allows the screw head to be countersunk into the frame without the head end of the fastening screw being able to tip into the interior of the frame due to its own weight. It is achieved by the proposed collar so a reduced risk of injury, because the screw disappears completely in the hole of the fence panel and thus does not survive a screw head, but without the screw can fall into the frame.

Dabei kann vorgesehen sein, dass die Befestigungsschraube eine Standardschraube ist und im Innern des Rahmens, d.h. zwischen den gegenüberliegenden Wandabschnitten, auf dem Schaft der Befestigungsschraube eine Hülse angeordnet ist. Eine Standardschraube in diesem Sinne ist eine universell einsetzbare Sechskantschraube, Innensechskantschraube oder dergleichen, bei der der Kopf vom Schaft deutlich abgesetzt ist. Die Hülse, die auf dem Schaft der Standardschraube angeordnet ist, muss einen Durchmesser aufweisen, der mindestens so groß ist wie der Durchmesser oder das größte Außenmaß des Schraubenkopfes, so dass die Hülse beim Einsetzen der Schraube am Kragen der ersten Bohrung eines Bohrungspaares so geführt wird, dass das Gewinde am vorderen Ende der Schraube sicher auf die gegenüberliegende Bohrung des Bohrungspaares zu geführt wird. Zweckmäßig ist die Länge der Hülse so gewählt, dass ihr eines Ende noch im Kragen gehalten wird, wenn das andere Ende an die gegenüberliegende Wandung des Rahmens stößt.It can be provided that the fastening screw is a standard screw and in the interior of the frame, ie between the opposite wall sections, on the shaft of the fastening screw a sleeve is arranged. A standard screw in this sense is a universally applicable hexagon screw, hexagon socket screw or like, in which the head is clearly offset from the shaft. The sleeve, which is arranged on the shaft of the standard screw, must have a diameter which is at least as large as the diameter or the largest external dimension of the screw head, so that the sleeve is guided during insertion of the screw on the collar of the first bore of a bore pair in that the thread at the front end of the screw is securely guided towards the opposite bore of the pair of bores. Suitably, the length of the sleeve is chosen so that one end is still held in the collar when the other end abuts the opposite wall of the frame.

Alternativ kann vorgesehen sein, dass die Befestigungsschraube eine Schaftschraube ist, bei der der gewindefreie Schaft einen größeren Durchmesser als das Gewinde aufweist. In diesem Falle wird keine Hülse benötigt, weil der verdickte Schaft die Führung der Befestigungsschraube am Kragen der einen Bohrung eines Bohrungspaares gewährleistet. Bei dieser Ausgestaltung wird demgemäß ein Teil weniger zur Realisierung der vorgeschlagenen Schraubverbindung benötigt.Alternatively, it can be provided that the fastening screw is a shaft screw, in which the unthreaded shaft has a larger diameter than the thread. In this case, no sleeve is needed because the thickened shaft ensures the leadership of the mounting screw on the collar of a bore of a pair of holes. In this embodiment, a part is less needed to realize the proposed screw accordingly.

Weiter kann vorgesehen sein, dass bei der in dem Bohrungspaar angeordneten Befestigungsschraube auf ihrer der Verbindungslasche der Halteeinrichtung zugewandten Seite eine Sicherungsscheibe angeordnet ist. Als Sicherungsscheiben können beispielsweise in das Gewinde eingreifende Sicherungsscheiben aus Blech verwendet werden. Die Sicherungsscheibe bewirkt, dass die in dem Bohrungspaar des Rahmens angeordneten Befestigungsschrauben nicht verloren werden können. Dadurch kann einerseits erreicht werden, dass die Zaunfelder bereits beim Hersteller mit den benötigten Befestigungsschrauben ausgestattet werden können, nicht wie sonst üblich Befestigungsschrauben in Beuteln mitgeliefert werden müssen, der Sicherheitszaun beim Anwender direkt und ohne Zusammensuchen der Befestigungsschrauben aufgebaut werden und bedarfsweise umkonfiguriert werden kann, ohne dass Befestigungsschrauben verloren gehen können.It can further be provided that, in the fastening screw arranged in the hole pair, a securing disk is arranged on its side facing the connecting link of the holding device. As locking washers, for example, engaging in the thread locking washers made of sheet metal can be used. The lock washer ensures that the fastening screws arranged in the hole pair of the frame can not be lost. This can be achieved on the one hand, that the fence panels can be equipped with the required mounting screws already at the manufacturer, not as usual fixing screws in bags must be included in the delivery, the safety fence can be set up by the user directly and without having to look for the fixing screws and can be reconfigured as needed without loosing fixing screws.

In einer Weiterbildung ist vorgesehen, dass die Befestigungsschraube keinen vom Schaft abgesetzten Kopf aufweist, am Kopfende jedoch ein Innensechskant (z.B. INBUS), Innensechsrund (z.B. TORX) oder eine ähnliche, insbesondere versenkte Schlüsselfläche aufweist. Mit anderen Worten ist der Schraubenkopf bei dieser Weiterbildung Bestandteil des verdickten Schaftes.In a further development, it is provided that the fastening screw has no head remote from the shaft, but has at the head end a hexagon socket (for example INBUS), hexalobular (for example TORX) or a similar, in particular recessed, key surface. In other words, the screw head in this development is part of the thickened shaft.

Schließlich kann vorgesehen sein, dass die Bohrung der Verbindungslasche ein Innengewinde aufweist. Dadurch wird weniger Personal zum Auf- und Abbau des Sicherheitszauns benötigt, weil die bereits eingesetzten Befestigungsschrauben einhändig angezogen werden können. Muttern werden nicht benötigt.Finally, it can be provided that the bore of the connecting plate has an internal thread. As a result, fewer personnel to build and dismantle the security fence is needed because the already used mounting screws can be tightened with one hand. Nuts are not needed.

Nachfolgend wird der vorgeschlagene Sicherheitszaun anhand von Ausführungsbeispielen und zugehörigen Zeichnungen näher erläutert.Subsequently, the proposed security fence will be explained in more detail with reference to embodiments and accompanying drawings.

Dabei zeigenShow

  • Fig. 1 verschiedene Ansichten eines ersten Ausführungsbeispiels, Fig. 1 different views of a first embodiment,
  • Fig. 2 verschiedene Ansichten eines zweiten Ausführungsbeispiels, und Fig. 2 different views of a second embodiment, and
  • Fig. 3 verschiedene Ansichten eines dritten Ausführungsbeispiels. Fig. 3 different views of a third embodiment.

Im ersten Ausführungsbeispiel gemäß Fig. 1 wird ein Zaunfeld 2, das einen Rahmen 21 aus Rechteck-Hohlprofilen aufweist, an zwei Verbindungslaschen 15 einer Halteeinrichtung in Form eines Zaunpfostens 1 befestigt.In the first embodiment according to Fig. 1 is a fence panel 2 having a frame 21 of rectangular hollow sections, attached to two connecting plates 15 of a holding device in the form of a fence post 1.

Der Zaunpfosten 1 weist eine Säule 11 aus einem senkrecht stehenden Rechteck-Hohlprofil, am oberen Ende der Säule 11 eine Abdeckplatte 12, am unteren Ende der Säule 11 eine Fußplatte 13 mit Befestigungsbohrungen 14, und seitlich an der Säule 11 eine Verbindungslasche 15 mit einer Bohrung 16, die ein Innengewinde aufweist sowie eine im Querschnitt U-förmige Stützkonsole 17 auf.The fence post 1 has a column 11 of a vertical rectangular hollow profile, at the upper end of the column 11, a cover plate 12, at the lower end of the column 11, a base plate 13 with mounting holes 14, and laterally on the column 11, a connecting plate 15 with a bore 16, which has an internal thread and a cross-sectionally U-shaped support bracket 17.

Der Rahmen 21 des Zaunfelds 2 kann beispielsweise mit einem Blech, Lochblech, Stäben, Streckmetall, transparentem Kunststoff oder ähnlichen Materialien gefüllt sein.The frame 21 of the fence panel 2 may for example be filled with a sheet metal, perforated plate, rods, expanded metal, transparent plastic or similar materials.

Jede senkrechte Strebe des Rahmens 21 weist ein Bohrungspaar auf, das zu der Bohrung 16 der Verbindungslasche 15 korrespondierend angeordnet ist. Die der Verbindungslasche 15 des Zaunpfostens 1 zugewandte zweite Bohrung 24 des Bohrungspaares ist eine einfache Durchgangsbohrung, deren Durchmesser so gewählt ist, dass der Gewindeschaft 33 einer Standardschraube 3 darin aufgenommen werden kann. Die gegenüberliegende, von der Verbindungslasche 15 abgewandte erste Bohrung 22 des Bohrungspaares ist hingegen durch Fließformen hergestellt und weist daher einen nach innen ragenden Kragen 23 auf, dessen Innendurchmesser deutlich größer ist als der Durchmesser der gegenüberliegenden zweiten Bohrung 24. Dieser Innendurchmesser ist auch größer als der Kopf 31 der Befestigungsschraube 3, so dass ihr Kopf 31 darin versenkt werden kann.Each vertical strut of the frame 21 has a pair of holes, which is arranged corresponding to the bore 16 of the connecting plate 15. The connecting hole 15 of the fence post 1 facing the second bore 24 of the hole pair is a simple through hole whose diameter is chosen so that the threaded shaft 33 of a standard screw 3 can be accommodated therein. The opposite, facing away from the connecting plate 15 first bore 22 of the pair of holes, however, is made by flow molding and therefore has an inwardly projecting collar 23, the inner diameter is significantly larger than the diameter of the opposite second bore 24. This inner diameter is also larger than that Head 31 of the mounting screw 3, so that their head 31 can be sunk in it.

Auf dem Schaft 32 der Befestigungsschraube 3, deren Kopf 31 ein Innensechskant aufweist, ist eine hohlzylindrische Hülse 4 angeordnet, deren Außendurchmesser größer als der Durchmesser des Kopfes 31 der Befestigungsschraube 3, aber geringfügig kleiner als der Innendurchmesser des Kragens 23 der ersten Bohrung 22 ist, so dass die Hülse 4 durch den Kragen 23 geschoben werden kann und dabei vom Kragen 23 auf die zweite Bohrung 24 zu geführt wird. Die Länge der Hülse 4 ist so bemessen, dass ihr eines Ende noch vom Kragen 23 gestützt wird, während ihr anderes Ende bereits an der gegenüberliegenden Wandung des Hohlprofils anliegt.On the shaft 32 of the fastening screw 3, the head 31 has a hexagon socket, a hollow cylindrical sleeve 4 is arranged, whose outer diameter is greater than the diameter of the head 31 of the fastening screw 3, but slightly smaller than the inner diameter of the collar 23rd the first bore 22 is, so that the sleeve 4 can be pushed through the collar 23 and is guided by the collar 23 to the second bore 24 to. The length of the sleeve 4 is dimensioned so that one end is still supported by the collar 23, while its other end already rests against the opposite wall of the hollow profile.

Auf dem durch die Durchgangsbohrung, d.h. durch die der Verbindungslasche 15 des Zaunpfostens 1 zugewandte zweite Bohrung 24 des Bohrungspaares im Rahmen des Zaunfeldes 2 ragenden, mit Außengewinde versehenen Ende der Befestigungsschraube 3 ist eine Sicherungsscheibe 5 angeordnet, die in das Außengewinde 33 eingreift und daher nicht verloren werden kann. Dadurch kann auch die Befestigungsschraube 3 nicht verloren werden.On the through-hole, i. through the connecting lug 15 of the fence post 1 facing the second bore 24 of the hole pair in the context of the fence panel 2 projecting, provided with external thread end of the fastening screw 3, a locking washer 5 is arranged, which engages in the external thread 33 and therefore can not be lost. As a result, the fastening screw 3 can not be lost.

Die Befestigungsschraube 3 ist in die mit Innengewinde versehene Bohrung 16 der Verbindungslasche 15 eingeschraubt, so dass eine Schraubenmutter nicht benötigt wird. Die Bohrung 16 in der Verbindungslasche 15 ist angesenkt, um den nötigen Bauraum für die Sicherungsscheibe 5 zu schaffen.The fastening screw 3 is screwed into the internally threaded bore 16 of the connecting plate 15, so that a nut is not needed. The bore 16 in the connecting plate 15 is countersunk to provide the necessary space for the lock washer 5.

Das Zaunfeld 2 wird von der Stützkonsole 17 gestützt und nach beiden Seiten gegen Verrutschen gesichert und kann daher mühelos befestigt werden, ohne dass es dabei manuell abgestützt werden muss. Die vorgeschlagene Art und Weise der Befestigung des Zaunfelds 2 am Zaunpfosten 1 ermöglicht einen spaltlosen Aufbau eines Sicherheitszaunes, d.h. das Zaunfeld 2 stößt seitlich an den Zaunpfosten 1.The fence panel 2 is supported by the support bracket 17 and secured against slipping on both sides and can therefore be easily attached without it being manually supported. The proposed manner of attaching the fence panel 2 to the fence post 1 allows a gapless construction of a security fence, i. the fence panel 2 abuts the side of the fence post. 1

In Fig. 2 ist ein ähnliches Ausführungsbeispiel wie in Fig. 1 dargestellt. Der einzige Unterschied besteht darin, dass der Rahmen 21 des Zaunfelds 2 aus Rohrprofilen gebildet ist.In Fig. 2 is a similar embodiment as in Fig. 1 shown. The only difference is that the frame 21 of the fence panel 2 is formed of tubular profiles.

Damit soll gezeigt werden, dass die vorgeschlagene Verbindungseinrichtung nicht nur für Rahmen 21 aus Rechteck-Hohlprofilen, sondern für jegliche denkbaren Hohlprofile geeignet ist und die gewünschten Vorteile hervorbringt. In gleicher Weise könnte der Zaunpfosten 1 aus beliebigen Hohlprofilen, Blechprofilen oder Vollmaterial gefertigt sein.This is to show that the proposed connection device not only for frame 21 of rectangular hollow sections, but for any conceivable hollow sections is suitable and produces the desired benefits. In the same way, the fence post 1 could be made of any hollow sections, sheet metal profiles or solid material.

Fig. 3 schließlich zeigt ein Ausführungsbeispiel, bei dem außerdem auf die in Fig. 1 und 2 gezeigten Hülsen verzichtet werden kann, weil die Befestigungsschraube 3 direkt am Kragen 23 der ersten Bohrung 22 des Rahmens 21 geführt wird und nicht in das Hohlprofil hineinfallen kann. Fig. 3 Finally, an embodiment in which, in addition to the in Fig. 1 and 2 shown sleeves can be omitted because the mounting screw 3 is guided directly on the collar 23 of the first bore 22 of the frame 21 and can not fall into the hollow section.

Die hier verwendete Befestigungsschraube 3 ist eine Sonderanfertigung, die keinen abgesetzten Kopf 31 aufweist. Am Kopfende der Befestigungsschraube 3 ist wie bei den anderen Ausführungsbeispielen ein Innensechskant angeordnet, um die Befestigungsschraube 3 anziehen zu können.The fastening screw 3 used here is a custom-made, which has no stepped head 31. At the head end of the fastening screw 3, as in the other embodiments, a hexagon socket is arranged to tighten the mounting screw 3 can.

Die Befestigungsschraube 3 weist einen verdickten Schaft 32 auf, dessen Länge in etwa dem Durchmesser des aus Rohrprofilen gebildeten Rahmens 21 des Zaunfelds 2 entspricht. Am anderen Ende weist die Befestigungsschraube 3 ein Gewinde 33 auf, dessen Durchmesser kleiner als der des Schafts 32 ist, so dass die Bewegung der Befestigungsschraube 3 an der gegenüberliegenden Wandung des Rahmens 21 gestoppt wird, wobei das Gewinde 33 durch die zweite Bohrung 24 hindurch ragt.The fastening screw 3 has a thickened shaft 32, the length of which corresponds approximately to the diameter of the frame 21 formed by tubular profiles of the fence panel 2. At the other end, the fastening screw 3 has a thread 33 whose diameter is smaller than that of the shaft 32, so that the movement of the fastening screw 3 is stopped at the opposite wall of the frame 21, wherein the thread 33 protrudes through the second bore 24 therethrough ,

Außerhalb des Hohlprofils sitzt wie bei den anderen Ausführungsbeispielen eine Sicherungsscheibe 5, die die Befestigungsschraube 3 an Ort und Stelle hält, so dass sie nicht verloren werden kann. Ebenfalls in gleicher Weise wie bei den anderen Ausführungsbeispielen weist die Bohrung 16 der Verbindungslasche 15 ein Innengewinde auf, so dass keine Schraubenmutter benötigt wird, und ist angesenkt, um den benötigten Bauraum für die Sicherungsscheibe 5 zu schaffen.Outside the hollow profile sits as in the other embodiments, a lock washer 5, which holds the mounting screw 3 in place so that it can not be lost. Also in the same manner as in the other embodiments, the bore 16 of the connecting plate 15 has an internal thread, so that no nut is required, and is countersunk to provide the required space for the lock washer 5.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Halteelementretaining element
1111
Säulepillar
1212
Abdeckplattecover
1313
Fußplattefootplate
1414
Befestigungsbohrungmounting hole
1515
Verbindungslascheconnecting strap
1616
Bohrungdrilling
1717
Stützkonsolesupport bracket
22
Zaunfeldfence field
2121
Rahmenframe
2222
erste Bohrungfirst hole
2323
Kragencollar
2424
zweite Bohrungsecond hole
33
Befestigungsschraubefixing screw
3131
Kopfhead
3232
Schaftshaft
3333
Gewindethread
44
Hülseshell
55
Sicherungsscheibelock washer

Claims (5)

  1. Safety fence, comprising at least one retaining device (1) which has at least one connecting plate (15) with at least one hole (16), and at least one fence panel (2) which is arranged on the retaining device (1) and comprises a frame (21) with mutually opposite wall sections and has a hole pair (22, 24) which corresponds to the at least one hole (16) in the connecting plate (15) and penetrates two opposite wall sections, and a fastening screw (3) arranged in the superimposed holes (22, 24, 16) in the frame (21) and the connecting plate (15), characterized in that at least the first hole (22) of a hole pair (22, 24), which first hole is remote from the connecting plate (15) of the retaining device (1), has a collar (23) which projects towards the second hole (24) of the hole pair (22, 24) and is intended for guiding the fastening screw (3), and in that the fastening screw (3) is a standard screw and a sleeve (4) is arranged inside the frame (21) on the shank (32) of the fastening screw (3), or in that the fastening screw (3) is a shank screw in which the thread-free shank (32) has a larger diameter than the thread (33).
  2. Safety fence according to Claim 1, characterized in that the collar (23) is produced by flow forming.
  3. Safety fence according to Claim 1, characterized in that a securing disc (5) is arranged on the side, facing the connecting plate (15) of a retaining device (1), of the fastening screw (3) arranged in the hole pair (22, 24).
  4. Safety fence according to one of Claims 1 to 3, characterized in that the fastening screw (3) does not have a head (31) distinct from the shank (32), but has a hexagon socket, a hexalobular socket or a similar key face at the head end.
  5. Safety fence according to one of Claims 1 to 4, characterized in that the hole (16) in the connecting plate (15) has an internal thread.
EP11168728.1A 2011-06-03 2011-06-03 Safety fence Not-in-force EP2530223B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11168728.1A EP2530223B1 (en) 2011-06-03 2011-06-03 Safety fence
PL11168728T PL2530223T3 (en) 2011-06-03 2011-06-03 Safety fence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11168728.1A EP2530223B1 (en) 2011-06-03 2011-06-03 Safety fence

Publications (2)

Publication Number Publication Date
EP2530223A1 EP2530223A1 (en) 2012-12-05
EP2530223B1 true EP2530223B1 (en) 2014-05-07

Family

ID=44840499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11168728.1A Not-in-force EP2530223B1 (en) 2011-06-03 2011-06-03 Safety fence

Country Status (2)

Country Link
EP (1) EP2530223B1 (en)
PL (1) PL2530223T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103397816A (en) * 2013-08-08 2013-11-20 凌其彬 Roof enclosing wall
CN114319998A (en) * 2021-12-01 2022-04-12 国网河北省电力有限公司检修分公司 Novel manual telescopic link of dismantling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB804248A (en) * 1955-10-13 1958-11-12 Bernard Gowshall Improvements in or relating to guard rails
FR1189384A (en) * 1957-12-31 1959-10-02 Houilleres Bassin Du Nord Method and tool for forming collars, and collars resulting therefrom
NL7700872A (en) * 1977-01-27 1978-07-31 Geffen Tech Adviesbureau Bv ROTATABLE Mandrel FOR CREATING A HOLE ENCLOSED BY A COLLAR IN A METAL PLATE OR IN THE WALL OF A METAL TUBE.

Also Published As

Publication number Publication date
EP2530223A1 (en) 2012-12-05
PL2530223T3 (en) 2014-11-28

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