EP2333176A1 - Attachment rail - Google Patents

Attachment rail Download PDF

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Publication number
EP2333176A1
EP2333176A1 EP10014792A EP10014792A EP2333176A1 EP 2333176 A1 EP2333176 A1 EP 2333176A1 EP 10014792 A EP10014792 A EP 10014792A EP 10014792 A EP10014792 A EP 10014792A EP 2333176 A1 EP2333176 A1 EP 2333176A1
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EP
European Patent Office
Prior art keywords
rail
armature
shaped
anchors
mounting
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Granted
Application number
EP10014792A
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German (de)
French (fr)
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EP2333176B1 (en
Inventor
Daniel Johannes Mächtle
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PROFILANKER GMBH
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Profilanker GmbH
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Publication of EP2333176A1 publication Critical patent/EP2333176A1/en
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Publication of EP2333176B1 publication Critical patent/EP2333176B1/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
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4171—Nailable or non-threaded screwable elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails

Definitions

  • the present invention relates to a fastening rail which can be embedded in concrete, in particular in a concrete beam or the like, according to the preamble of claim 1.
  • trapezoidal sheets or the like For attachment of trapezoidal sheets or the like on concrete beams or other parts of buildings mounting rails are known in particular steel, which are embedded in concrete parts.
  • the mounting rail is preferably cast in flush with the surface edge of the concrete part in this.
  • the attachment of trapezoidal sheets or the like can be done in a simple manner by means of self-drilling screws or setting bolts which are screwed into the sheet to be mounted and in the rail.
  • it is mandatory that trapezoidal sheets are bolted to building parts in steel and not in concrete.
  • the German utility model DE 75 24 212 describes such a mounting rail in the form of a U-shaped rail and arranged thereon at regular intervals, embedded in the concrete anchor.
  • the U-shaped rail encloses an interior, which is filled with a soft material.
  • This soft material for example Foamed plastic, keeps the concrete away from the interior of the profile so that screws or bolts can be inserted without the screws or bolts penetrating into the concrete.
  • the anchor provided for anchoring the rail in concrete are designed as flat webs, which are welded to the longitudinal sides of the rail. From the German patent application DE 39 26 416 A1 Other such fastening rails are known in which V-shaped anchors are welded to both longitudinal sides of the rail.
  • Such mounting rails must be corrosion resistant to ensure sufficient stability of the components over a long period of time. In addition to stainless steel therefore comes galvanized steel in the production of such mounting rails used.
  • hot-dip galvanizing it should be noted that hot-dip galvanizing can only be carried out after the fastening rail has been welded. The production of the mounting rails is thus relatively expensive overall.
  • German patent DE 39 12 169 C1 an attachment rail for trapezoidal sheets, in which the legs of the rail have longitudinal slots and wherein the anchors formed from metal strips are provided at the attachment end with two extending in the longitudinal direction of the metal strip, three tabs forming short incisions.
  • the inner middle tab is bent perpendicular to the plane of the metal strip. This tab is inserted through the associated longitudinal slot of the leg of the rail and bent on the other side of the leg so that the two outer tabs rest on one side and the middle inner tab on the other side of the leg, the middle tab in the direction the two outer tabs and is bent parallel to these.
  • the anchor with the rail can be dispensed with a welding in the attachment of the anchor to the rail.
  • this does not always give the required stability of the mounting rail.
  • the invention has for its object to provide a mounting rail, which is technically simple and can be produced with little effort and yet meets all requirements for a mounting rail in terms of stability, corrosion resistance, etc.
  • the fastening rail according to the invention is intended for embedding in concrete, in particular in a concrete beam or the like. Trapezoidal sheets or other components can be fastened to a part of the building via the fastening rail in the concrete beam by screwing screws or bolts into the fastening rail.
  • the mounting rail comprises a profile rail and a plurality of arranged on the rail, to be embedded in the concrete beam anchors.
  • the profile rail has two lateral limbs which delimit an interior which is filled with a soft material.
  • the two lateral legs of the profile rail preferably extend substantially parallel, so that the profile rail is U-shaped.
  • the U-shape of the rail is down, ie in the direction of the concrete, open.
  • the space filled with soft material interior points into the interior of the concrete beam.
  • This layer of soft material keeps in the concreting of the mounting rail in a concrete beam the concrete away, so that a screw or a bolt that is screwed for fixing, for example, a trapezoidal sheet in the rail, does not hit the concrete.
  • the anchors serve a firm anchoring of the Mounting rail in the concrete beam. This is necessary because the mounting rail is exposed as a carrier, for example, a trapezoidal sheet metal roof a considerable burden.
  • the anchors are positively connected to the rail. According to the invention, it is provided that bends of the armature engage at their attachment end in openings of the lateral limbs of the profile rail.
  • the openings may for example be designed as longitudinal slots.
  • the bends on the attachment ends of the armature are bent in the direction of the armature, that an approximately J-shaped hook is formed, whose short end points in the direction of the opening of the U-shaped rail.
  • a very secure and stable connection between the anchors and the rail is achieved, which also withstands considerable tensile loads, as they can quite occur in the attachment of trapezoidal sheets to cast-in concrete beams mounting rails.
  • the positive secure connection between the anchors and the rail also has the particular advantage that welding in the production of the mounting rail is not required.
  • a weld, as known from the prior art for such mounting rails requires a very high effort in the production of the mounting rail and is difficult to automate.
  • the positive connection according to the invention between the anchors and the rail can be achieved with much less effort and in particular is much better accessible to automation.
  • the production is technically much easier, so that the fastening rails according to the invention can be made significantly cheaper.
  • the production of the mounting rail according to the invention is technically simpler, since no tabs on the mounting ends of the anchor by cuts in the ends of the armature forming metal strips are required. According to the invention, it is only necessary, the attachment end or the attachment ends of the armature to bend without making any further cuts or such.
  • the simply bent open end of the armature is inserted into an opening, in particular a slot-shaped opening of the lateral legs of the U-shaped rail and the protruding end on the opposite side of the lateral leg in the direction of the armature or in the direction of the opening of the U-shaped Profile rail bent again.
  • This production of the mounting rail according to the invention is technically simple and can be automated easily and thus allows a more cost-effective production than that of the DE 39 12 169 C1 known mounting rail.
  • the stability of the connection between the armature and rail is significantly improved compared to the known from this document mounting rail.
  • the bends of the armature are aligned so that the attachment end of the armature has in the same direction as an attacking tensile force. In this case, there is the danger that it comes through the attacking tensile force to a linearization of the attachment end of the armature, so that dissolves the connection.
  • the fastening end of the armature is bent such that the approximately hook-shaped end of the armature is aligned against an acting tensile force. The anchor is hooked in a sense in the rail. In this arrangement would have to be spent in comparison with the known mounting rail much higher tensile forces to solve the connection, since that hook-like end would have to be bent.
  • the armature bow-shaped wherein the open ends and the attachment ends of the bow-shaped armature form the bends, which are provided for engagement in the openings of the rail.
  • the two ends a bow-shaped armature arranged at opposite points of the lateral legs of the mounting rail.
  • the bow-shaped armature is substantially V-shaped.
  • the bow-shaped armature may for example also be U-shaped or rectangular. It can for example be made of a flat steel.
  • the anchor bracket can also be made with advantage of curved round steel.
  • the openings in the lateral limbs of the profile rails are preferably adapted to the shape of the armature, for example to the dimensions of the flat steel or to the diameter of the bent round steel.
  • the openings in the lateral limbs of the profile rails are preferably adapted to the shape of the armature, for example to the dimensions of the flat steel or to the diameter of the bent round steel.
  • the armature band-shaped webs wherein an open end of the band-shaped webs forms the bend, which is provided for engagement in the rail.
  • the other end of the band-shaped ridge protrudes freely into the concrete after the embedding of the fastening rail.
  • two of the band-shaped webs are arranged opposite one another on the longitudinal sides of the profile rails.
  • the anchors and in particular the band-shaped webs are equipped as anchors with means for improving the support within the concrete support.
  • the bends of the armature can engage either from outside to inside or from the inside to the outside in the side legs of the rail, the intervention from the outside to the inside, where appropriate, manufacturing technology easier to implement and is therefore particularly preferred.
  • the soft material may, for example, be foamed into the interior of the profile rail, for example as a foam.
  • Particularly preferred is a styrofoam filling the interior, wherein a corresponding pre-cut Styrofoam strand can be glued into the interior.
  • the mounting rail or the rail and the anchor made of steel, in particular of galvanized, preferably hot-dip galvanized steel.
  • the hot-dip galvanizing of the steel ensures sufficient corrosion resistance of the fastening rail according to the invention.
  • the mounting rail or the rail and the anchor are made of stainless steel.
  • hot dip galvanized steel and stainless steel can be combined with each other, for example, by the profile rail made of stainless steel and the anchor made of hot-dip galvanized steel.
  • a profiled rail with two lateral limbs in particular a U-shaped profiled rail
  • the lateral legs of the rail are provided with openings which are provided for the positive fastening of the anchor.
  • the openings are attached at regular intervals.
  • the open ends of the anchors are bent or pre-bent and inserted into the openings.
  • the open ends of the anchors become after the introduction into the Receptacles on the other side again bent in the direction of the anchor in a hook-like manner, for example folded over.
  • An enclosed by the lateral limbs of the rail interior is filled with a soft material.
  • Manufacturing technology particularly advantageous is the insertion of the bends of the anchor from outside to inside in the openings of the side legs of the rail.
  • the lateral legs of a V-shaped or U-shaped pre-bent anchor can be slightly pulled apart and then inserted into the openings from the outside, respectively.
  • the open ends are bent inwards.
  • the bends of a V-shaped or U-shaped anchor can be made outwardly, respectively, so that the lateral legs of the anchors are slightly bent together and inserted into the interior of the rail, so that the bends from the inside to the outside in the openings lateral legs of the rail to be inserted.
  • This embodiment may also be preferred, since the points of attack for the further folding of the bends are very easily accessible in this case.
  • a styrofoam strand is pre-cut with particular advantage and glued into the interior of the rail with conventional Styoporklebern.
  • the interior can be foamed with foams or similar.
  • Hot dip galvanizing of the items before assembly This is manufacturing technology particularly advantageous because the hot dip galvanizing of the items with less effort is feasible than the hot dip galvanizing the complex mounting rail.
  • FIG. 1 illustrates the use of a mounting rail 1, which is known from the prior art, in the attachment of a trapezoidal sheet metal 9.
  • the mounting rail 1 is cast in a concrete beam 2.
  • the mounting rail 1 comprises a rail 3 and arranged on the rail 3 anchor 4, which serve to anchor the mounting rail 1 in the concrete of the concrete beam 2.
  • the mounting rail 1 is placed in the concrete beam such that the surface formed by the rail 3 is flush with a web side 5 of the concrete beam 2.
  • the rail 3 has two lateral legs 6, which enclose an interior, which is filled with a soft material 7, for example Styrofoam.
  • the V-shaped armature 4 are connected in this known from the prior art mounting rail by spot welds 8 with the side legs 6 of the rail 3.
  • the trapezoidal sheet 9 is fastened by means of screws 10 to the mounting rail 1.
  • the screws 10 do not engage directly in the material of the concrete beam 2, ie in the concrete, but protrude into the polystyrene layer 7.
  • For fastening the trapezoidal sheet 9 on the concrete beam 2 or the mounting rail 1 are preferably self-tapping or thread-forming screws, Drill screws or setting bolts used.
  • a disadvantage of such mounting rails from the prior art is that their production is complicated and therefore expensive.
  • FIG. 2 shows a mounting rail 20 according to the invention in cross section.
  • the mounting rail 20 includes a U-shaped rail 21 and V-shaped armature 22. Over the entire length of the profile rail 21 shown here in section, a plurality of anchors 22 is provided.
  • the mounting rail 20 may be three meters in length, for example, seven, eight or twenty anchors are distributed over the entire length of the rail 21.
  • the arrangement of the anchor can be made at equal intervals.
  • the distances can also be selected so that, for example, a rail with a length of three meters at a length of 1.5 meters is divisible.
  • eight anchors may be distributed over a length of three meters such that the distance between the fourth and fifth anchors is less than the other distances, so that a division in the middle is possible, both sections four anchors in each case a suitable distance have the edge regions.
  • the thickness of the rail can be selected depending on the intended applications. For example, the thickness of the profile rail can be 3 mm or 6 mm.
  • the U-shaped profiled rail 21 comprises two lateral limbs 23, so that an interior space is bounded by the profiled rail 21.
  • This interior is filled with a soft material 24, in particular with polystyrene.
  • a styrofoam strand is preferably pre-cut with suitable dimensions and glued within the rail 21 with conventional Styoporklebern or comparable.
  • the interior can be foamed, for example, with a plastic.
  • a positive connection For connection or attachment of the armature 22 to the rail 21 a positive connection is provided.
  • the open ends 26 of the armature 22 are bent twice for this purpose in the manner of a hook in the direction of the armature or in the direction of the opening of the U-shaped rail 21.
  • the anchors 22 are fixedly and substantially permanently connected to the profiled rail 21, so that the fastening rail 20 is securely anchored when embedded in a concrete beam.
  • the positive connection eliminates the need for conventional mounting railsberichtversch spaung the anchor with the rail.
  • the fastening rail 20 realizes a hooking of the attachment end 26 of the armature 22 with the rail 21, wherein the bends are oriented in the opposite direction as the acting tensile force.
  • To solve the inventive connection between the armature and rail therefore much higher forces would be required than is the case with the known mounting rail.
  • a very stable connection between rail and armature is achieved with the mounting rail according to the invention, without a welding would be required.
  • the armature 22 which is made for example of flat steel or round steel, initially bent in the region of the open ends 26 so that the ends are approximately at right angles to the inside, as in FIG. 3 is indicated by the dashed lines.
  • the open ends 26 of the armature 22 are inserted into the openings 25 of the rail 21. Subsequently, the open ends 26 are bent once more in the direction of the armature, in particular by machine crimping, so that the armature 22 is fixedly connected to the rail 21.
  • FIG. 4 an isometric view of the rail 21 is shown with an attached V-shaped anchor 22.
  • the filling of the rail 21 with a soft material is not shown here for the sake of clarity.
  • the fastening rail 20 according to the invention shown only as a section is continued in length, wherein a plurality of anchors 22 are arranged distributed over the entire length.
  • FIG. 5 shows a further embodiment of the fastening rail 50 according to the invention.
  • the armature 52 are designed in the form of band-shaped webs as a single anchor, which are arranged at opposite points on the longitudinal sides of the rail 51.
  • the fastening anchors 52 are provided with a plurality of bulges 57, which further improve the anchoring and the maintenance of the mounting rail 50 in a concrete beam.
  • openings 55 are provided on the side edges 53 of the rail, in each of which an open end 56 of the armature 52 are inserted.
  • the open end 56 is first simply bent or pre-bent, here indicated by the dashed lines. This bend of the open end 56 is in the opening 55 of the rail introduced and then folded inside, so that the anchor 52 is connected in the manner of a hook with the rail 51.
  • FIG. 7 shows an isometric view of the mounting rail 50.
  • the mounting rail 50 is cut in the armature 52, wherein the individual anchors 52 are cut approximately along the center line.
  • the rail 51 which is shown only in sections, continues in its length, with several anchors 52 are arranged at regular intervals.
  • the anchor and the rail can be made either of stainless steel or steel, in particular of hot-dip galvanized steel.
  • the advantage in the production of the fastening rail according to the invention is inter alia that the hot-dip galvanizing can be carried out before the assembly of the individual parts. In the known from the prior art mounting rails, this is not possible, since here the hot dip galvanizing can be made only after the welding of the anchor with the rail because the welding would damage a previously applied galvanizing.

Abstract

The rail (20) has a set of V-shaped anchors (22) embedded in a concrete beam and arranged at a profile rail (21), where the profile rail has two lateral brackets (23) that surround the inner area filled with a soft material (24). Open ends (26) of the anchors form bending for engaging the anchors to the profile rail. The anchors are positively connected with the profile rail, where the bending of the anchors engages in openings (25) of the lateral brackets of the profile rail. The bending of the anchors is curved in the direction of the anchors.

Description

Die vorliegende Erfindung betrifft eine Befestigungsschiene, die in Beton, insbesondere in einem Betonträger oder dergleichen einbettbar ist gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a fastening rail which can be embedded in concrete, in particular in a concrete beam or the like, according to the preamble of claim 1.

Zur Befestigung von Trapezblechen oder dergleichen auf Betonträgern oder anderen Gebäudeteilen sind Befestigungsschienen insbesondere aus Stahl bekannt, die in Betonteile eingebettet werden. Hierbei wird die Befestigungsschiene vorzugsweise bündig mit der Oberflächenkante des Betonteils in dieses einbetoniert. Die Befestigung von Trapezblechen oder dergleichen kann auf einfache Weise mittels selbstbohrender Schrauben oder Setzbolzen, die in das anzubringende Blech und in die Schiene eingedreht werden, vorgenommen werden. Aus baurechtlichen Gründen ist es vorgeschrieben, dass Trapezbleche auf Gebäudeteilen in Stahl und nicht in Beton verschraubt werden.For attachment of trapezoidal sheets or the like on concrete beams or other parts of buildings mounting rails are known in particular steel, which are embedded in concrete parts. Here, the mounting rail is preferably cast in flush with the surface edge of the concrete part in this. The attachment of trapezoidal sheets or the like can be done in a simple manner by means of self-drilling screws or setting bolts which are screwed into the sheet to be mounted and in the rail. For construction law reasons, it is mandatory that trapezoidal sheets are bolted to building parts in steel and not in concrete.

Das deutsche Gebrauchsmuster DE 75 24 212 beschreibt eine derartige Befestigungsschiene in Form einer U-förmigen Profilschiene und daran in regelmäßigen Abständen angeordnete, in den Beton einzubettende Anker. Die U-förmige Profilschiene umschließt einen Innenraum, der mit einem weichen Material ausgefüllt ist. Dieses weiche Material, beispielsweise Schaumkunststoff, hält den Beton aus dem Innenraum des Profils fern, sodass Schrauben oder Bolzen eingeführt werden können, ohne dass die Schrauben oder Bolzen in den Beton eindringen. Die zur Verankerung der Schiene im Beton vorgesehenen Anker sind als Flachstege ausgebildet, die an den Längsseiten der Profilschiene angeschweißt sind. Aus der deutschen Patentanmeldung DE 39 26 416 A1 sind andere derartige Befestigungsschienen bekannt, bei denen V-förmige Anker an beiden Längsseiten der Schiene angeschweißt sind. Derartige Befestigungsschienen müssen korrosionsbeständig sein, um eine ausreichende Stabilität der Bauteile über einen langen Zeitraum zu gewährleisten. Neben Edelstahl kommt daher feuerverzinkter Stahl bei der Herstellung von derartigen Befestigungsschienen zum Einsatz. Allerdings ist bei einer Feuerverzinkung zu beachten, dass die Feuerverzinkung erst nach der Verschweißung der Befestigungsschiene durchgeführt werden kann. Die Herstellung der Montageschienen ist damit insgesamt relativ aufwendig.The German utility model DE 75 24 212 describes such a mounting rail in the form of a U-shaped rail and arranged thereon at regular intervals, embedded in the concrete anchor. The U-shaped rail encloses an interior, which is filled with a soft material. This soft material, for example Foamed plastic, keeps the concrete away from the interior of the profile so that screws or bolts can be inserted without the screws or bolts penetrating into the concrete. The anchor provided for anchoring the rail in concrete are designed as flat webs, which are welded to the longitudinal sides of the rail. From the German patent application DE 39 26 416 A1 Other such fastening rails are known in which V-shaped anchors are welded to both longitudinal sides of the rail. Such mounting rails must be corrosion resistant to ensure sufficient stability of the components over a long period of time. In addition to stainless steel therefore comes galvanized steel in the production of such mounting rails used. However, in the case of hot-dip galvanizing, it should be noted that hot-dip galvanizing can only be carried out after the fastening rail has been welded. The production of the mounting rails is thus relatively expensive overall.

Um die Herstellung von Befestigungsschienen herstellungstechnisch zu vereinfachen, schlägt die deutsche Patentschrift DE 39 12 169 C1 eine Befestigungsschiene für Trapezbleche vor, bei der die Schenkel der Schiene Längsschlitze aufweisen und wobei die aus Metallstreifen gebildeten Anker an deren Befestigungsende mit zwei sich in Längsrichtung des Metallstreifens erstreckenden, drei Laschen bildenden kurzen Einschnitten versehen sind. Die innere mittlere Lasche ist senkrecht zur Ebene des Metallstreifens abgebogen. Diese Lasche wird durch den zugehörigen Längsschlitz des Schenkels der Schiene gesteckt und auf der anderen Seite des Schenkels so umgebogen, dass die beiden äußeren Laschen auf der einen Seite und die mittlere innere Lasche auf der anderen Seite des Schenkels anliegen, wobei die mittlere Lasche in Richtung der beiden äußeren Laschen und parallel zu diesen abgebogen ist. Durch diese Verbindung der Anker mit der Schiene kann auf ein Verschweißen bei der Befestigung der Anker an der Schiene verzichtet werden. Allerdings ist hierbei nicht in jedem Fall die erforderliche Stabilität der Befestigungsschiene gegeben. Bei der Anbringung eines Trapezdaches an einer solchen, in einem Betonträger eingebetteten Befestigungsschiene können beispielsweise bei Stürmen derart große Zugkräfte auf die Befestigungsschiene wirken, dass sich die Befestigung des Ankers an der Schiene löst und das Trapezdach zusammen mit der Schiene abgerissen wird.To simplify the manufacture of mounting rails manufacturing technology, proposes the German patent DE 39 12 169 C1 an attachment rail for trapezoidal sheets, in which the legs of the rail have longitudinal slots and wherein the anchors formed from metal strips are provided at the attachment end with two extending in the longitudinal direction of the metal strip, three tabs forming short incisions. The inner middle tab is bent perpendicular to the plane of the metal strip. This tab is inserted through the associated longitudinal slot of the leg of the rail and bent on the other side of the leg so that the two outer tabs rest on one side and the middle inner tab on the other side of the leg, the middle tab in the direction the two outer tabs and is bent parallel to these. By this connection, the anchor with the rail can be dispensed with a welding in the attachment of the anchor to the rail. However, this does not always give the required stability of the mounting rail. When attaching a Trapezoidal roofs on such an embedded in a concrete beam mounting rail, for example, in storms such large tensile forces act on the mounting rail, that solves the attachment of the anchor to the rail and the trapezoidal roof is torn off together with the rail.

Der Erfindung liegt die Aufgabe zugrunde, eine Befestigungsschiene bereitzustellen, die technisch einfach und mit wenig Aufwand herstellbar ist und dennoch allen Anforderungen an eine Befestigungsschiene im Hinblick auf Stabilität, Korrosionsbeständigkeit usw. genügt.The invention has for its object to provide a mounting rail, which is technically simple and can be produced with little effort and yet meets all requirements for a mounting rail in terms of stability, corrosion resistance, etc.

Diese Aufgabe wird durch eine Befestigungsschiene gelöst, wie es Gegenstand des Anspruchs 1 ist.This object is achieved by a mounting rail, as it is the subject of claim 1.

Die erfindungsgemäße Befestigungsschiene ist zur Einbettung in Beton, insbesondere in einen Betonträger oder dergleichen vorgesehen. Über die Befestigungsschiene in dem Betonträger können Trapezbleche oder andere Bauelemente auf einem Gebäudeteil befestigt werden, indem Schrauben oder Bolzen in die Befestigungsschiene eingedreht werden. Die Befestigungsschiene umfasst eine Profilschiene und eine Mehrzahl von an der Profilschiene angeordneten, in den Betonträger einzubettenden Ankern. Die Profilschiene weist zwei seitliche Schenkel auf, die einen Innenraum umgrenzen, der mit einem Weichstoffmaterial ausgefüllt ist. Die zwei seitlichen Schenkel der Profilschiene verlaufen vorzugsweise im Wesentlichen parallel, sodass die Profilschiene U-förmig ist. Hierbei ist die U-Form der Profilschiene nach unten, also in Richtung des Betons, offen. Der mit Weichstoffmaterial ausgefüllte Innenraum weist in das Innere des Betonträgers. Diese Schicht aus Weichstoffmaterial hält bei der Einbetonierung der Befestigungsschiene in einem Betonträger den Beton fern, sodass eine Schraube oder ein Bolzen, der zur Befestigung beispielsweise eines Trapezbleches in die Schiene eingedreht wird, nicht auf den Beton trifft. Die Anker dienen einer festen Verankerung der Befestigungsschiene im Betonträger. Dies ist erforderlich, da die Befestigungsschiene als Träger beispielsweise eines Trapezblechdaches einer erheblichen Belastung ausgesetzt ist. Die Anker sind formschlüssig mit der Profilschiene verbunden. Erfindungsgemäß ist hierbei vorgesehen, dass Umbiegungen der Anker an deren Befestigungsende in Öffnungen der seitlichen Schenkel der Profilschiene eingreifen. Die Öffnungen können beispielsweise als Längsschlitze ausgestaltet sein. Die Umbiegungen an den Befestigungsenden der Anker sind derart in Richtung des Ankers gebogen, dass ein etwa J-förmiger Haken gebildet wird, dessen kurzes Ende in Richtung der Öffnung der U-förmigen Profilschiene weist. Hierdurch wird eine sehr sichere und stabile Verbindung zwischen den Ankern und der Profilschiene erzielt, die auch erheblichen Zugbelastungen standhält, wie sie bei der Befestigung von Trapezblechen an in Betonträgern eingegossenen Befestigungsschienen durchaus auftreten können. Die formschlüssige sichere Verbindung zwischen den Ankern und der Profilschiene hat weiterhin den besonderen Vorteil, dass eine Verschweißung bei der Herstellung der Befestigungsschiene nicht erforderlich ist. Eine Verschweißung, wie sie aus dem Stand der Technik für derartige Befestigungsschienen bekannt ist, erfordert einen sehr hohen Aufwand bei der Herstellung der Befestigungsschiene und lässt sich nur schwer automatisieren. Der Formschluss gemäß der Erfindung zwischen den Ankern und der Profilschiene lässt sich hingegen mit wesentlich weniger Aufwand erreichen und ist insbesondere auch wesentlich besser einer Automatisierung zugänglich. Die Herstellung ist technisch wesentlich einfacher, sodass die erfindungsgemäßen Befestigungsschienen deutlich kostengünstiger hergestellt werden können. Auch im Vergleich mit der aus der Patentschrift bekannten DE 39 12 169 C1 Befestigungsschiene, die bereits auf eine Verschweißung verzichtet, ist die Herstellung der erfindungsgemäßen Befestigungsschiene technisch einfacher, da keine Laschen an den Befestigungsenden der Anker durch Einschnitte in die Enden der die Anker bildenden Metallstreifen erforderlich sind. Erfindungsgemäß ist es lediglich erforderlich, das Befestigungsende bzw. die Befestigungsenden des Ankers umzubiegen, ohne weitere Einschnitte oder derartiges vorzunehmen. Das einfach umgebogene offene Ende des Ankers wird in eine Öffnung, insbesondere eine schlitzförmige Öffnung der seitlichen Schenkel der U-förmigen Profilschiene eingeführt und das überstehende Ende auf der gegenüberliegenden Seite des seitlichen Schenkels in Richtung des Ankers bzw. in Richtung der Öffnung der U-förmigen Profilschiene ein weiteres Mal umgebogen. Diese Herstellung der erfindungsgemäßen Befestigungsschiene ist technisch einfach und kann ohne weiteres automatisiert werden und erlaubt damit eine noch kostengünstigere Herstellung als die aus der DE 39 12 169 C1 bekannte Befestigungsschiene. Gleichzeitig ist die Stabilität der Verbindung zwischen Anker und Profilschiene im Vergleich zu der aus dieser Schrift bekannten Befestigungsschiene deutlich verbessert. Bei der aus dem Stand der Technik bekannten Befestigungsschiene sind die Umbiegungen des Ankers so ausgerichtet, dass das Befestigungsende des Ankers in die gleiche Richtung wie eine angreifende Zugkraft weist. Hierbei besteht die Gefahr, dass es durch die angreifende Zugkraft zu einer Linearisierung des Befestigungsendes des Ankers kommt, sodass sich die Verbindung löst. Bei der erfindungsgemäßen Befestigungsschiene hingegen ist das Befestigungsende des Ankers derart umgebogen, dass das etwa hakenförmige Ende des Ankers entgegen einer wirkenden Zugkraft ausgerichtet ist. Der Anker ist gewissermaßen in der Profilschiene verhakt. Bei dieser Anordnung müssten im Vergleich mit der bekannten Befestigungsschiene wesentlich höhere Zugkräfte aufgewendet werden, um die Verbindung zu lösen, da dass hakenartige Ende aufgebogen werden müsste.The fastening rail according to the invention is intended for embedding in concrete, in particular in a concrete beam or the like. Trapezoidal sheets or other components can be fastened to a part of the building via the fastening rail in the concrete beam by screwing screws or bolts into the fastening rail. The mounting rail comprises a profile rail and a plurality of arranged on the rail, to be embedded in the concrete beam anchors. The profile rail has two lateral limbs which delimit an interior which is filled with a soft material. The two lateral legs of the profile rail preferably extend substantially parallel, so that the profile rail is U-shaped. Here, the U-shape of the rail is down, ie in the direction of the concrete, open. The space filled with soft material interior points into the interior of the concrete beam. This layer of soft material keeps in the concreting of the mounting rail in a concrete beam the concrete away, so that a screw or a bolt that is screwed for fixing, for example, a trapezoidal sheet in the rail, does not hit the concrete. The anchors serve a firm anchoring of the Mounting rail in the concrete beam. This is necessary because the mounting rail is exposed as a carrier, for example, a trapezoidal sheet metal roof a considerable burden. The anchors are positively connected to the rail. According to the invention, it is provided that bends of the armature engage at their attachment end in openings of the lateral limbs of the profile rail. The openings may for example be designed as longitudinal slots. The bends on the attachment ends of the armature are bent in the direction of the armature, that an approximately J-shaped hook is formed, whose short end points in the direction of the opening of the U-shaped rail. As a result, a very secure and stable connection between the anchors and the rail is achieved, which also withstands considerable tensile loads, as they can quite occur in the attachment of trapezoidal sheets to cast-in concrete beams mounting rails. The positive secure connection between the anchors and the rail also has the particular advantage that welding in the production of the mounting rail is not required. A weld, as known from the prior art for such mounting rails, requires a very high effort in the production of the mounting rail and is difficult to automate. The positive connection according to the invention between the anchors and the rail, however, can be achieved with much less effort and in particular is much better accessible to automation. The production is technically much easier, so that the fastening rails according to the invention can be made significantly cheaper. Also in comparison with the known from the patent DE 39 12 169 C1 Mounting rail, which already waives a weld, the production of the mounting rail according to the invention is technically simpler, since no tabs on the mounting ends of the anchor by cuts in the ends of the armature forming metal strips are required. According to the invention, it is only necessary, the attachment end or the attachment ends of the armature to bend without making any further cuts or such. The simply bent open end of the armature is inserted into an opening, in particular a slot-shaped opening of the lateral legs of the U-shaped rail and the protruding end on the opposite side of the lateral leg in the direction of the armature or in the direction of the opening of the U-shaped Profile rail bent again. This production of the mounting rail according to the invention is technically simple and can be automated easily and thus allows a more cost-effective production than that of the DE 39 12 169 C1 known mounting rail. At the same time the stability of the connection between the armature and rail is significantly improved compared to the known from this document mounting rail. In the known from the prior art mounting rail, the bends of the armature are aligned so that the attachment end of the armature has in the same direction as an attacking tensile force. In this case, there is the danger that it comes through the attacking tensile force to a linearization of the attachment end of the armature, so that dissolves the connection. In contrast, in the fastening rail according to the invention, the fastening end of the armature is bent such that the approximately hook-shaped end of the armature is aligned against an acting tensile force. The anchor is hooked in a sense in the rail. In this arrangement would have to be spent in comparison with the known mounting rail much higher tensile forces to solve the connection, since that hook-like end would have to be bent.

Bevorzugte Ausgestaltungen der erfindungsgemäßen Befestigungsschiene sind Gegenstand der abhängigen Ansprüche. So sind in einer besonders bevorzugten Ausführungsform der erfindungsgemäßen Befestigungsschiene die Anker bügelförmig, wobei die offenen Enden bzw. die Befestigungsenden der bügelförmigen Anker die Umbiegungen ausbilden, die zum Eingriff in die Öffnungen der Profilschiene vorgesehen sind. Hierbei sind die beiden Enden eines bügelförmigen Ankers an sich gegenüberliegenden Punkten der seitlichen Schenkel der Befestigungsschiene angeordnet. Vorzugsweise ist der bügelförmige Anker im Wesentlichen V-förmig. In anderen Ausführungsformen kann der bügelförmige Anker beispielsweise auch U-förmig oder rechteckförmig sein. Er kann beispielsweise aus einem Flachstahl hergestellt sein. Der Ankerbügel kann gleichfalls mit Vorteil aus gebogenem Rundstahl gefertigt sein. Die Öffnungen in den seitlichen Schenkeln der Profilschienen sind vorzugsweise an die Form des Ankers, beispielsweise an die Abmessungen des Flachstahls oder an den Durchmesser des gebogenen Rundstahls angepasst. So sind bei der Verwendung von Flachstahl für den Anker vorzugsweise schlitzförmige Öffnungen und bei der Verwendung von gebogenem Rundstahl für den Anker entsprechende kreisförmige Öffnungen vorgesehen.Preferred embodiments of the fastening rail according to the invention are the subject of the dependent claims. Thus, in a particularly preferred embodiment of the mounting rail according to the invention, the armature bow-shaped, wherein the open ends and the attachment ends of the bow-shaped armature form the bends, which are provided for engagement in the openings of the rail. Here are the two ends a bow-shaped armature arranged at opposite points of the lateral legs of the mounting rail. Preferably, the bow-shaped armature is substantially V-shaped. In other embodiments, the bow-shaped armature may for example also be U-shaped or rectangular. It can for example be made of a flat steel. The anchor bracket can also be made with advantage of curved round steel. The openings in the lateral limbs of the profile rails are preferably adapted to the shape of the armature, for example to the dimensions of the flat steel or to the diameter of the bent round steel. Thus, in the use of flat steel for the anchor preferably slot-shaped openings and in the use of curved round steel for the anchor corresponding circular openings are provided.

In einer anderen Ausführungsform der erfindungsgemäßen Befestigungsschiene sind die Anker bandförmige Stege, wobei ein offenes Ende der bandförmigen Stege die Umbiegung ausbildet, die zum Eingriff in die Profilschiene vorgesehen ist. Das andere Ende des bandförmigen Steges ragt nach der Einbettung der Befestigungsschiene frei in den Beton hinein. Vorzugsweise sind zwei der bandförmigen Stege einander gegenüberliegend an den Längsseiten der Profilschienen angeordnet.In another embodiment of the fastening rail according to the invention, the armature band-shaped webs, wherein an open end of the band-shaped webs forms the bend, which is provided for engagement in the rail. The other end of the band-shaped ridge protrudes freely into the concrete after the embedding of the fastening rail. Preferably, two of the band-shaped webs are arranged opposite one another on the longitudinal sides of the profile rails.

Gemäß einer bevorzugten Ausführungsform der erfindungsgemäßen Befestigungsschiene sind die Anker und insbesondere die bandförmigen Stege als Anker mit Mitteln zur Verbesserung des Halts innerhalb des Betonträgers ausgestattet. Beispielsweise weisen die bandförmigen Stege Ausbuchtungen, Einbuchtungen oder Aussparungen auf, die beim Einbetonieren der erfindungsgemäßen Befestigungsschiene in einem Betonträger in dem Beton eingeschlossen werden bzw. in die der Beton eindringt, sodass der Halt der Anker im Beton und damit die Stabilität der erfindungsgemäßen Befestigungsschiene weiter verbessert wird.According to a preferred embodiment of the fastening rail according to the invention, the anchors and in particular the band-shaped webs are equipped as anchors with means for improving the support within the concrete support. For example, the band-shaped webs on recesses, indentations or recesses, which are included in the concrete in the concrete when concrete railing of the invention in a concrete beam or in the concrete penetrates, so that the support of the anchor in the concrete and thus the stability of the mounting rail according to the invention further improved becomes.

Die Umbiegungen der Anker können entweder von außen nach innen oder von innen nach außen in die seitlichen Schenkel der Profilschiene eingreifen, wobei das Eingreifen von außen nach innen gegebenenfalls herstellungstechnisch einfacher zu realisieren ist und damit besonders bevorzugt ist.The bends of the armature can engage either from outside to inside or from the inside to the outside in the side legs of the rail, the intervention from the outside to the inside, where appropriate, manufacturing technology easier to implement and is therefore particularly preferred.

Das Weichstoffmaterial kann beispielsweise in den Innenraum der Profilschiene eingeschäumt sein, beispielsweise als Schaumstoff. Besonders bevorzugt ist eine Styroporfüllung des Innenraums, wobei ein entsprechend vorgeschnittener Styroporstrang in den Innenraum eingeklebt sein kann.The soft material may, for example, be foamed into the interior of the profile rail, for example as a foam. Particularly preferred is a styrofoam filling the interior, wherein a corresponding pre-cut Styrofoam strand can be glued into the interior.

Vorzugsweise bestehen die Befestigungsschiene bzw. die Profilschiene und die Anker aus Stahl, insbesondere aus verzinktem, vorzugsweise feuerverzinktem Stahl. Die Feuerverzinkung des Stahls gewährleistet eine ausreichende Korrosionsbeständigkeit der erfindungsgemäßen Befestigungsschiene. In einer anderen sehr hochwertigen Ausführungsform sind die Befestigungsschiene bzw. die Profilschiene und die Anker aus Edelstahl gefertigt. In anderen Ausführungsformen können auch feuerverzinkter Stahl und Edelstahl miteinander kombiniert sein, indem beispielsweise die Profilschiene aus Edelstahl und die Anker aus feuerverzinktem Stahl bestehen.Preferably, the mounting rail or the rail and the anchor made of steel, in particular of galvanized, preferably hot-dip galvanized steel. The hot-dip galvanizing of the steel ensures sufficient corrosion resistance of the fastening rail according to the invention. In another very high-quality embodiment, the mounting rail or the rail and the anchor are made of stainless steel. In other embodiments, hot dip galvanized steel and stainless steel can be combined with each other, for example, by the profile rail made of stainless steel and the anchor made of hot-dip galvanized steel.

Zur Herstellung der erfindungsgemäßen Befestigungsschiene wird zunächst eine Profilschiene mit zwei seitlichen Schenkeln, insbesondere eine U-förmige Profilschiene, bereitgestellt. Die seitlichen Schenkel der Profilschiene werden mit Öffnungen versehen, die zur formschlüssigen Befestigung der Anker vorgesehen sind. Vorzugsweise werden die Öffnungen in regelmäßigen Abständen angebracht. Hierbei können je nach Anwendungsfall die Anzahl der erforderlichen Anker pro Schiene und abhängig davon unterschiedliche Abstände gewählt werden. Die offenen Enden der Anker werden umgebogen bzw. vorgebogen und in die Öffnungen eingeführt. Die offenen Enden der Anker werden nach der Einführung in die Öffnungen auf der anderen Seite nochmals in Richtung des Ankers in hakenartiger Weise umgebogen, beispielsweise umgefalzt. Ein von den seitlichen Schenkeln der Profilschiene umgrenzter Innenraum wird mit einem Weichstoffmaterial ausgefüllt. Dieses Herstellungsverfahren ist technisch einfach ausführbar und kann mit besonderem Vorteil automatisiert werden, sodass die erfindungsgemäße Befestigungsschiene sehr kostengünstig herstellbar ist.To produce the fastening rail according to the invention, first of all a profiled rail with two lateral limbs, in particular a U-shaped profiled rail, is provided. The lateral legs of the rail are provided with openings which are provided for the positive fastening of the anchor. Preferably, the openings are attached at regular intervals. Here, depending on the application, the number of required anchors per rail and depending on different distances can be selected. The open ends of the anchors are bent or pre-bent and inserted into the openings. The open ends of the anchors become after the introduction into the Receptacles on the other side again bent in the direction of the anchor in a hook-like manner, for example folded over. An enclosed by the lateral limbs of the rail interior is filled with a soft material. This manufacturing method is technically easy to perform and can be automated with particular advantage, so that the mounting rail according to the invention is very inexpensive to produce.

Herstellungstechnisch besonders vorteilhaft ist die Einfügung der Umbiegungen der Anker von außen nach innen in die Öffnungen der seitlichen Schenkel der Profilschiene. Die seitlichen Schenkel eines V-förmig oder U-förmig vorgebogenen Ankers können beispielsweise leicht etwas auseinandergezogen werden und dann in die Öffnungen jeweils von außen eingefügt werden. Bei dem Vorbiegen der beispielsweise V-förmigen oder U-förmigen Anker werden die offenen Enden nach innen umgebogen. In einer anderen Ausführungsform können die Umbiegungen eines V-förmigen oder U-förmigen Ankers jeweils nach außen vorgenommen werden, sodass die seitlichen Schenkel der Anker etwas zusammengebogen und in das Innere der Profilschiene eingeführt werden, sodass die Umbiegungen von innen nach außen in die Öffnungen der seitlichen Schenkel der Profilschiene eingefügt werden. Auch diese Ausführungsform kann bevorzugt sein, da die Angriffspunkte für das weitere Umfalzen der Umbiegungen hierbei sehr gut zugänglich sind.Manufacturing technology particularly advantageous is the insertion of the bends of the anchor from outside to inside in the openings of the side legs of the rail. For example, the lateral legs of a V-shaped or U-shaped pre-bent anchor can be slightly pulled apart and then inserted into the openings from the outside, respectively. In the pre-bending of the example V-shaped or U-shaped anchors, the open ends are bent inwards. In another embodiment, the bends of a V-shaped or U-shaped anchor can be made outwardly, respectively, so that the lateral legs of the anchors are slightly bent together and inserted into the interior of the rail, so that the bends from the inside to the outside in the openings lateral legs of the rail to be inserted. This embodiment may also be preferred, since the points of attack for the further folding of the bends are very easily accessible in this case.

Zur Einbringung des Weichstoffmaterials in das Innere der Profilschiene wird mit besonderem Vorteil ein Styroporstrang vorgeschnitten und in den Innenraum der Profilschiene mit üblichen Styroporklebern eingeklebt. In anderen Ausführungsformen kann der Innenraum mit Schaumstoffen oder Vergleichbarem ausgeschäumt werden.For introducing the soft material into the interior of the rail, a styrofoam strand is pre-cut with particular advantage and glued into the interior of the rail with conventional Styoporklebern. In other embodiments, the interior can be foamed with foams or similar.

Gegenüber herkömmlichen Herstellungsverfahren für Befestigungsschienen erlaubt die Herstellung der erfindungsgemäßen Befestigungsschiene eine Feuerverzinkung der Einzelteile vor deren Montage. Dies ist herstellungstechnisch besonders vorteilhaft, da die Feuerverzinkung der Einzelteile mit weniger Aufwand durchführbar ist als die Feuerverzinkung der komplexen Befestigungsschiene. Bei aus dem Stand der Technik bekannten geschweißten Befestigungsschienen ist es erforderlich, die komplette Befestigungsschiene zu verzinken, da durch das Anschweißen der Anker an die Befestigungsschiene eine zuvor durchgeführte Verzinkung beschädigt werden würde.Compared to conventional manufacturing methods for mounting rails allows the production of the mounting rail according to the invention a Hot dip galvanizing of the items before assembly. This is manufacturing technology particularly advantageous because the hot dip galvanizing of the items with less effort is feasible than the hot dip galvanizing the complex mounting rail. In known from the prior art welded mounting rails, it is necessary to galvanize the entire mounting rail, as by welding the anchor to the mounting rail a previously performed galvanizing would be damaged.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen im Zusammenhang mit den Zeichnungen. Hierbei können die einzelnen Merkmale jeweils für sich oder in Kombination miteinander verwirklicht sein.Further features and advantages of the invention will become apparent from the following description of embodiments in conjunction with the drawings. In this case, the individual features can be implemented individually or in combination with each other.

In den Zeichnungen zeigen:

Figur 1
eine isometrische Darstellung einer Befestigungsschiene aus dem Stand der Technik, die in einem Betonträger eingebettet ist, mit einem an der Befestigungsschiene befestigten Trapezblech;
Figur 2
eine Schnittdarstellung einer ersten Ausführungsform der erfindungsgemäßen Befestigungsschiene;
Figur 3
eine Schnittdarstellung eines Befestigungsankers der Befestigungsschiene aus Figur 2;
Figur 4
eine isometrische Darstellung der Profilschiene und eines Befestigungsankers der ersten Ausführungsform der erfindungsgemäßen Befestigungsschiene;
Figur 5
eine Schnittdarstellung einer zweiten Ausführungsform der erfindungsgemäßen Befestigungsschiene;
Figur 6
eine Schnittdarstellung eines Ankers der erfindungsgemäßen Befestigungsschiene aus Figur 5 und
Figur 7
eine isometrische Darstellung der erfindungsgemäßen Befestigungsschiene aus Figur 5.
In the drawings show:
FIG. 1
an isometric view of a mounting rail of the prior art, which is embedded in a concrete beam, with a fixed to the mounting rail trapezoidal sheet metal;
FIG. 2
a sectional view of a first embodiment of the fastening rail according to the invention;
FIG. 3
a sectional view of a mounting anchor of the mounting rail FIG. 2 ;
FIG. 4
an isometric view of the rail and a mounting anchor of the first embodiment of the mounting rail according to the invention;
FIG. 5
a sectional view of a second embodiment of the fastening rail according to the invention;
FIG. 6
a sectional view of an anchor of the mounting rail according to the invention FIG. 5 and
FIG. 7
an isometric view of the mounting rail according to the invention FIG. 5 ,

Figur 1 illustriert die Verwendung einer Befestigungsschiene 1, die aus dem Stand der Technik bekannt ist, bei der Befestigung eines Trapezbleches 9. Die Befestigungsschiene 1 ist in einem Betonträger 2 eingegossen. Die Befestigungsschiene 1 umfasst eine Profilschiene 3 sowie an der Profilschiene 3 angeordnete Anker 4, die zur Verankerung der Befestigungsschiene 1 im Beton des Betonträgers 2 dienen. Die Befestigungsschiene 1 ist derart im Betonträger platziert, dass die von der Profilschiene 3 gebildete Fläche bündig mit einer Stegseite 5 des Betonträgers 2 abschließt. Die Profilschiene 3 weist zwei seitliche Schenkel 6 auf, die einen Innenraum umschließen, der mit einem weichen Material 7, beispielsweise Styropor ausgefüllt ist. Die V-förmigen Anker 4 sind bei dieser aus dem Stand der Technik bekannten Befestigungsschiene durch Punktschweißungen 8 mit den seitlichen Schenkeln 6 der Profilschiene 3 verbunden. Das Trapezblech 9 ist mittels Schrauben 10 an der Befestigungsschiene 1 befestigt. Hierbei greifen die Schrauben 10 nicht direkt in das Material des Betonträgers 2, also in den Beton, ein, sondern ragen in die Styroporschicht 7. Zur Befestigung des Trapezbleches 9 auf dem Betonträger 2 bzw. der Befestigungsschiene 1 werden vorzugsweise selbstschneidende bzw. gewindefurchende Schrauben, Bohrschrauben oder Setzbolzen eingesetzt. Nachteilig bei derartigen Befestigungsschienen aus dem Stand der Technik ist, dass deren Herstellung aufwendig und damit kostenintensiv ist. FIG. 1 illustrates the use of a mounting rail 1, which is known from the prior art, in the attachment of a trapezoidal sheet metal 9. The mounting rail 1 is cast in a concrete beam 2. The mounting rail 1 comprises a rail 3 and arranged on the rail 3 anchor 4, which serve to anchor the mounting rail 1 in the concrete of the concrete beam 2. The mounting rail 1 is placed in the concrete beam such that the surface formed by the rail 3 is flush with a web side 5 of the concrete beam 2. The rail 3 has two lateral legs 6, which enclose an interior, which is filled with a soft material 7, for example Styrofoam. The V-shaped armature 4 are connected in this known from the prior art mounting rail by spot welds 8 with the side legs 6 of the rail 3. The trapezoidal sheet 9 is fastened by means of screws 10 to the mounting rail 1. In this case, the screws 10 do not engage directly in the material of the concrete beam 2, ie in the concrete, but protrude into the polystyrene layer 7. For fastening the trapezoidal sheet 9 on the concrete beam 2 or the mounting rail 1 are preferably self-tapping or thread-forming screws, Drill screws or setting bolts used. A disadvantage of such mounting rails from the prior art is that their production is complicated and therefore expensive.

Figur 2 zeigt eine erfindungsgemäße Befestigungsschiene 20 im Querschnitt. Die Befestigungsschiene 20 umfasst eine U-förmige Profilschiene 21 und V-förmige Anker 22. Über die gesamte Länge der hier im Schnitt dargestellten Profilschiene 21 ist eine Mehrzahl von Ankern 22 vorgesehen. Beispielsweise kann die Befestigungsschiene 20 in der Länge drei Meter betragen, wobei beispielsweise sieben, acht oder zwanzig Anker über die gesamte Länge der Profilschiene 21 verteilt sind. Umso mehr Anker an der Profilschiene 21 angeordnet sind, umso stabiler ist die Befestigungsschiene 20 in einem Betonträger einbettbar. Im Allgemeinen ist es jedoch ausreichend, wenn beispielsweise sieben Anker über eine Länge von drei Metern verteilt sind. Die Anordnung der Anker kann jeweils in gleichen Abständen vorgenommen werden. Die Abstände können jedoch auch so gewählt sein, dass beispielsweise eine Profilschiene mit einer Länge von drei Metern bei einer Länge von 1,5 Metern teilbar ist. Beispielsweise können also acht Anker auf einer Länge von drei Metern derart verteilt sein, dass der Abstand zwischen dem vierten und fünften Anker geringer als die anderen Abstände ist, sodass eine Teilung in der Mitte möglich ist, wobei beide Teilstücke vier Anker in jeweils geeignetem Abstand zu den Randbereichen aufweisen. Die Stärke der Profilschiene kann abhängig von den jeweiligen beabsichtigten Anwendungen gewählt werden. Beispielsweise kann die Materialstärke für die Profilschiene 3 mm oder 6 mm betragen. FIG. 2 shows a mounting rail 20 according to the invention in cross section. The mounting rail 20 includes a U-shaped rail 21 and V-shaped armature 22. Over the entire length of the profile rail 21 shown here in section, a plurality of anchors 22 is provided. For example, the mounting rail 20 may be three meters in length, for example, seven, eight or twenty anchors are distributed over the entire length of the rail 21. The more anchors are arranged on the rail 21, the more stable the mounting rail 20 can be embedded in a concrete beam. In general, however, it is sufficient if, for example, seven anchors are distributed over a length of three meters. The arrangement of the anchor can be made at equal intervals. However, the distances can also be selected so that, for example, a rail with a length of three meters at a length of 1.5 meters is divisible. Thus, for example, eight anchors may be distributed over a length of three meters such that the distance between the fourth and fifth anchors is less than the other distances, so that a division in the middle is possible, both sections four anchors in each case a suitable distance have the edge regions. The thickness of the rail can be selected depending on the intended applications. For example, the thickness of the profile rail can be 3 mm or 6 mm.

Die U-förmige Profilschiene 21 umfasst zwei seitliche Schenkel 23, sodass von der Profilschiene 21 ein Innenraum umgrenzt wird. Dieser Innenraum ist mit einem weichen Material 24, insbesondere mit Styropor ausgefüllt. Zur Einbringung des Styropors 24 in den Innenraum der Profilschiene 21 wird vorzugsweise ein Styroporstrang mit geeigneten Abmessungen vorgeschnitten und innerhalb der Profilschiene 21 mit üblichen Styroporklebern oder Vergleichbarem eingeklebt. In anderen Ausführungsformen kann der Innenraum beispielsweise mit einem Kunststoff ausgeschäumt werden.The U-shaped profiled rail 21 comprises two lateral limbs 23, so that an interior space is bounded by the profiled rail 21. This interior is filled with a soft material 24, in particular with polystyrene. For introduction of the polystyrene 24 in the interior of the rail 21, a styrofoam strand is preferably pre-cut with suitable dimensions and glued within the rail 21 with conventional Styoporklebern or comparable. In other embodiments, the interior can be foamed, for example, with a plastic.

Zur Verbindung bzw. zur Befestigung des Ankers 22 an der Profilschiene 21 ist ein Formschluss vorgesehen. Hierfür weisen die seitlichen Schenkel 23 der Profilschiene 21 Öffnungen 25 auf, in die die offenen Enden 26 des Ankers eingreifen. Die offenen Enden 26 des Ankers 22 sind hierfür nach Art eines Hakens zweifach in Richtung des Ankers bzw. in Richtung der Öffnung der U-förmigen Profilschiene 21 umgebogen. Durch diesen Formschluss sind die Anker 22 fest und im Wesentlichen unlösbar mit der Profilschiene 21 verbunden, sodass die Befestigungsschiene 20 bei einer Einbettung in einem Betonträger sicher verankert ist. Durch den Formschluss entfällt die bei herkömmlichen Befestigungsschienen erforderliche Punktverschweißung der Anker mit der Profilschiene. Der Formschluss ist fertigungstechnisch wesentlich einfacher und kostengünstiger zu bewerkstelligen und erzielt im Ergebnis im Wesentlichen die gleiche Stabilität wie eine Punktverschweißung der Anker. Im Vergleich mit der aus der DE 39 12 169 C1 bekannten Befestigungsschiene, bei der bereits auf eine Verschweißung verzichtet wird, wird mit der erfindungsgemäßen Befestigungsschiene 20 eine wesentlich stabilere Verbindung zwischen Profilschiene und Anker bereitgestellt. Bei der bekannten Befestigungsschiene sind die Umbiegungen der Anker in einer Linie mit der gegebenenfalls wirkenden Zugkraft ausgerichtet, sodass durch eine Linearisierung der Umbiegungen des Befestigungsendes der Anker durch die wirkende Zugkraft eine Lösung der Verbindung auftreten kann.For connection or attachment of the armature 22 to the rail 21 a positive connection is provided. For this purpose, the lateral legs 23 of the rail 21 openings 25, in which engage the open ends 26 of the armature. The open ends 26 of the armature 22 are bent twice for this purpose in the manner of a hook in the direction of the armature or in the direction of the opening of the U-shaped rail 21. As a result of this positive engagement, the anchors 22 are fixedly and substantially permanently connected to the profiled rail 21, so that the fastening rail 20 is securely anchored when embedded in a concrete beam. The positive connection eliminates the need for conventional mounting rails Punktverschweißung the anchor with the rail. The fit is manufacturing technology much easier and cheaper to accomplish and achieved in the result essentially the same stability as a point welding the anchor. In comparison with the one from the DE 39 12 169 C1 known mounting rail, which is already dispensed with a weld, a much more stable connection between the rail and anchor is provided with the mounting rail 20 according to the invention. In the known mounting rail, the bends of the armature are aligned in a line with the optionally acting tensile force, so that by a linearization of the bends of the attachment end of the anchor by the acting tensile force, a solution of the compound can occur.

Die erfindungsgemäße Befestigungsschiene 20 hingegen realisiert eine Verhakung des Befestigungsendes 26 des Ankers 22 mit der Profilschiene 21, wobei die Umbiegungen in entgegengesetzter Richtung wie die wirkende Zugkraft orientiert sind. Zur Lösung der erfindungsgemäßen Verbindung zwischen Anker und Profilschiene wären daher wesentlich höhere Kräfte erforderlich, als es bei der bekannten Befestigungsschiene der Fall ist. Insgesamt wird mit der erfindungsgemäßen Befestigungsschiene also eine sehr stabile Verbindung zwischen Profilschiene und Anker erreicht, ohne dass eine Verschweißung erforderlich wäre.The fastening rail 20 according to the invention, however, realizes a hooking of the attachment end 26 of the armature 22 with the rail 21, wherein the bends are oriented in the opposite direction as the acting tensile force. To solve the inventive connection between the armature and rail therefore much higher forces would be required than is the case with the known mounting rail. Overall, therefore, a very stable connection between rail and armature is achieved with the mounting rail according to the invention, without a welding would be required.

Für die Montage der erfindungsgemäßen Befestigungsschiene 20 wird der Anker 22, der beispielsweise aus Flachstahl oder Rundstahl hergestellt ist, im Bereich der offenen Enden 26 zunächst so vorgebogen, dass die Enden etwa im rechten Winkel nach innen stehen, wie es in Figur 3 durch die gestrichelte Linienführung angedeutet ist. In dieser Form werden die offenen Enden 26 des Ankers 22 in die Öffnungen 25 der Profilschiene 21 eingeführt. Anschließend werden die offenen Enden 26 ein weiteres Mal in Richtung des Ankers umgebogen, insbesondere durch maschinelles Umfalzen, sodass der Anker 22 fest mit der Profilschiene 21 verbunden ist.For mounting the mounting rail 20 according to the invention, the armature 22, which is made for example of flat steel or round steel, initially bent in the region of the open ends 26 so that the ends are approximately at right angles to the inside, as in FIG. 3 is indicated by the dashed lines. In this form, the open ends 26 of the armature 22 are inserted into the openings 25 of the rail 21. Subsequently, the open ends 26 are bent once more in the direction of the armature, in particular by machine crimping, so that the armature 22 is fixedly connected to the rail 21.

In Figur 4 ist eine isometrische Darstellung der Profilschiene 21 mit einem daran befestigten V-förmigen Anker 22 dargestellt. Zu erkennen ist das in Richtung des Ankers 22 umgebogene offene Ende 26 des Ankers, das eine sichere Befestigung des Ankers 22 an der Profilschiene 21 realisiert. Die Ausfüllung der Profilschiene 21 mit einem weichen Material ist hier der Übersichtlichkeit halber nicht dargestellt. Die nur als Abschnitt gezeigte erfindungsgemäße Befestigungsschiene 20 setzt sich in der Länge fort, wobei über die gesamte Länge verteilt mehrere Anker 22 angeordnet sind.In FIG. 4 an isometric view of the rail 21 is shown with an attached V-shaped anchor 22. Evident is the bent in the direction of the armature 22 open end 26 of the armature, which realizes a secure attachment of the armature 22 to the rail 21. The filling of the rail 21 with a soft material is not shown here for the sake of clarity. The fastening rail 20 according to the invention shown only as a section is continued in length, wherein a plurality of anchors 22 are arranged distributed over the entire length.

Figur 5 zeigt eine weitere Ausführungsform der erfindungsgemäßen Befestigungsschiene 50. Hierbei sind die Anker 52 in Form von bandförmigen Stegen als Einzelanker ausgeführt, die an gegenüberliegenden Punkten der Längsseiten der Profilschiene 51 angeordnet sind. Die Befestigungsanker 52 sind mit mehreren Ausbuchtungen 57 versehen, die die Verankerung und den Halt der Befestigungsschiene 50 in einem Betonträger noch weiter verbessern. Vergleichbar mit der Befestigungsschiene 20 sind an den seitlichen Flanken 53 der Profilschiene 51 Öffnungen 55 vorgesehen, in die jeweils ein offenes Ende 56 der Anker 52 eingeführt sind. Wie in Figur 6 illustriert, wird das offene Ende 56 zunächst einfach umgebogen bzw. vorgebogen, hier durch die gestrichelte Linienführung angedeutet. Diese Umbiegung des offenen Endes 56 wird in die Öffnung 55 der Profilschiene eingeführt und anschließend innen umgefalzt, sodass der Anker 52 nach Art eines Hakens mit der Profilschiene 51 verbunden ist. FIG. 5 shows a further embodiment of the fastening rail 50 according to the invention. Here, the armature 52 are designed in the form of band-shaped webs as a single anchor, which are arranged at opposite points on the longitudinal sides of the rail 51. The fastening anchors 52 are provided with a plurality of bulges 57, which further improve the anchoring and the maintenance of the mounting rail 50 in a concrete beam. Comparable with the mounting rail 20 51 openings 55 are provided on the side edges 53 of the rail, in each of which an open end 56 of the armature 52 are inserted. As in FIG. 6 illustrated, the open end 56 is first simply bent or pre-bent, here indicated by the dashed lines. This bend of the open end 56 is in the opening 55 of the rail introduced and then folded inside, so that the anchor 52 is connected in the manner of a hook with the rail 51.

Figur 7 zeigt eine isometrische Darstellung der Befestigungsschiene 50. Hierbei ist die Befestigungsschiene 50 im Bereich der Anker 52 geschnitten, wobei die Einzelanker 52 etwa entlang deren Mittellinie abgeschnitten sind. Die Profilschiene 51, die nur abschnittsweise dargestellt ist, setzt sich in ihrer Länge fort, wobei in regelmäßigen Abständen mehrere Anker 52 angeordnet sind. FIG. 7 shows an isometric view of the mounting rail 50. Here, the mounting rail 50 is cut in the armature 52, wherein the individual anchors 52 are cut approximately along the center line. The rail 51, which is shown only in sections, continues in its length, with several anchors 52 are arranged at regular intervals.

Die Anker und die Profilschiene können entweder aus Edelstahl oder aus Stahl, insbesondere aus feuerverzinktem Stahl gefertigt sein. Der Vorteil bei der Herstellung der erfindungsgemäßen Befestigungsschiene ist unter anderem, dass die Feuerverzinkung vor der Montage der einzelnen Teile durchgeführt werden kann. Bei den aus dem Stand der Technik bekannten Befestigungsschienen ist dies nicht möglich, da hier die Feuerverzinkung erst nach der Verschweißung der Anker mit der Profilschiene vorgenommen werden kann, da die Verschweißung eine vorher aufgebrachte Verzinkung beschädigen würde.The anchor and the rail can be made either of stainless steel or steel, in particular of hot-dip galvanized steel. The advantage in the production of the fastening rail according to the invention is inter alia that the hot-dip galvanizing can be carried out before the assembly of the individual parts. In the known from the prior art mounting rails, this is not possible, since here the hot dip galvanizing can be made only after the welding of the anchor with the rail because the welding would damage a previously applied galvanizing.

Claims (9)

In Beton, insbesondere in Betonträger oder dergleichen einbettbare Befestigungsschiene (20; 50) mit einer Profilschiene (21; 51) und mit einer Mehrzahl von an der Profilschiene angeordneten, in den Betonträger einzubettenden Ankern (22; 52), wobei die Profilschiene (21; 51) zwei seitliche Schenkel (23; 53) aufweist, die einen mit einem Weichstoffmaterial (24) ausgefüllten Innenraum umgrenzen, und wobei die Anker (22; 52) formschlüssig mit der Profilschiene (21; 51) verbunden sind, dadurch gekennzeichnet, dass in Öffnungen (25; 55) der seitlichen Schenkel (23; 53) der Profilschiene (21; 51) Umbiegungen der Anker (22; 52) eingreifen, die in Richtung des Ankers (22; 52) gebogen sind.In concrete, in particular in concrete beams or the like mounting rail (20; 50) with a profile rail (21; 51) and arranged with a plurality of arranged on the rail, to be embedded in the concrete beams anchors (22; 52), wherein the rail (21; 51) has two lateral limbs (23, 53) which delimit an interior space filled with a soft material (24), and wherein the armatures (22, 52) are positively connected to the profiled rail (21, 51), characterized in that Openings (25; 55) of the lateral legs (23; 53) of the profiled rail (21; 51) engage in bends of the anchors (22; 52) which are bent in the direction of the armature (22; 52). Befestigungsschiene nach Anspruch 1, dadurch gekennzeichnet, dass die Anker (22) bügelförmig sind, wobei die offenen Enden (26) der bügelförmigen Anker (22) die Umbiegungen zum Eingriff in die Profilschiene (21) ausbilden.Mounting rail according to claim 1, characterized in that the armatures (22) are bow-shaped, wherein the open ends (26) of the bow-shaped armature (22) forming the bends for engagement in the rail (21). Befestigungsschiene nach Anspruch 2, dadurch gekennzeichnet, dass die bügelförmigen Anker (22) im Wesentlichen V-förmig sind, wobei vorzugsweise die Schenkel eines Ankers (22) einander gegenüberliegend an den zwei seitlichen Schenkeln (23) der Profilschiene (21) angeordnet sind.Fastening rail according to claim 2, characterized in that the bow-shaped armature (22) are substantially V-shaped, wherein preferably the legs of an armature (22) are arranged opposite each other on the two lateral legs (23) of the rail (21). Befestigungsschiene nach Anspruch 1, dadurch gekennzeichnet, dass die Anker bandförmige Stege (52) sind, wobei ein offenes Ende (56) der bandförmigen Stege (52) die Umbiegung zum Eingriff in die Profilschiene (51) ausbildet.Fastening rail according to claim 1, characterized in that the armature band-shaped webs (52), wherein an open end (56) of the band-shaped webs (52) forms the bend for engagement in the rail (51). Befestigungsschiene nach Anspruch 4, dadurch gekennzeichnet, dass zwei bandförmige Stege (52) einander gegenüberliegend an den zwei seitlichen Schenkeln (53) der Profilschiene (51) angeordnet sind.Fastening rail according to claim 4, characterized in that two band-shaped webs (52) are arranged opposite one another on the two lateral limbs (53) of the profiled rail (51). Befestigungsschiene nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anker (52) Mittel (57) zur Verbesserung des Halts innerhalb des Betonträgers aufweisen, insbesondere Ausbuchtungen, Einbuchtungen oder Aussparungen.Fastening rail according to one of the preceding claims, characterized in that the anchors (52) have means (57) for improving the hold within the concrete support, in particular bulges, recesses or recesses. Befestigungsschiene nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Umbiegungen der Anker (22; 52) von außen nach innen oder von innen nach außen in die seitlichen Schenkel (23; 53) der Profilschiene (21; 51) eingreifen.Fastening rail according to one of the preceding claims, characterized in that the bends of the armature (22; 52) from the outside inwards or from inside to outside into the lateral legs (23; 53) of the profiled rail (21; 51). Befestigungsschiene nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Weichstoffmaterial (24) eine Styroporschicht, insbesondere eine eingeklebte Styroporschicht ist.Mounting rail according to one of the preceding claims, characterized in that the soft material (24) is a Styrofoam layer, in particular a glued Styrofoam layer. Befestigungsschiene nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Profilschiene (21; 51) und die Anker (22; 52) aus Stahl, insbesondere feuerverzinktem Stahl, und/oder aus Edelstahl bestehen.Mounting rail according to one of the preceding claims, characterized in that the profiled rail (21; 51) and the armatures (22; 52) consist of steel, in particular hot-dip galvanized steel, and / or of stainless steel.
EP20100014792 2009-11-23 2010-11-19 Attachment rail Not-in-force EP2333176B1 (en)

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EP3710644A1 (en) * 2017-11-16 2020-09-23 Chryso Italia S.R.L. Anchoring device for structural profiles

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE455572C (en) * 1928-02-01 Hugo Bodemann U-shaped anchor rail to be embedded in the concrete body
US1768246A (en) * 1928-01-23 1930-06-24 Globe Machine & Stamping Co Insert for concrete
DE7524212U (en) 1975-12-04 Halfeneisen Gmbh & Co Kg Mounting rail for attaching trapezoidal sheets
EP0340927A1 (en) * 1988-04-14 1989-11-08 Vantrunk Engineering Limited Insert for a channel section member
DE3912169C1 (en) 1989-04-13 1990-12-13 Deutsche Kahneisen Gesellschaft West Mbh, 1000 Berlin, De
DE3926416A1 (en) 1989-08-10 1991-02-21 Halfeneisen Gmbh & Co Kg MOUNTING RAIL IN CONCRETE CARRIERS OR THE LIKE EMBEDDED
EP0436165A2 (en) * 1990-01-05 1991-07-10 Sergio Zambelli Profiled anchor element structure for prefabricated concrete componets
WO1997022764A1 (en) * 1995-12-19 1997-06-26 Ancon Clark Limited Channel
DE19725882A1 (en) * 1997-06-18 1998-12-24 Modersohn Gmbh & Co Kg Wilh Anchor rail for hammer head screws, brick connection anchors or similar to concrete structural bodies

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE455572C (en) * 1928-02-01 Hugo Bodemann U-shaped anchor rail to be embedded in the concrete body
DE7524212U (en) 1975-12-04 Halfeneisen Gmbh & Co Kg Mounting rail for attaching trapezoidal sheets
US1768246A (en) * 1928-01-23 1930-06-24 Globe Machine & Stamping Co Insert for concrete
EP0340927A1 (en) * 1988-04-14 1989-11-08 Vantrunk Engineering Limited Insert for a channel section member
DE3912169C1 (en) 1989-04-13 1990-12-13 Deutsche Kahneisen Gesellschaft West Mbh, 1000 Berlin, De
DE3926416A1 (en) 1989-08-10 1991-02-21 Halfeneisen Gmbh & Co Kg MOUNTING RAIL IN CONCRETE CARRIERS OR THE LIKE EMBEDDED
EP0436165A2 (en) * 1990-01-05 1991-07-10 Sergio Zambelli Profiled anchor element structure for prefabricated concrete componets
WO1997022764A1 (en) * 1995-12-19 1997-06-26 Ancon Clark Limited Channel
DE19725882A1 (en) * 1997-06-18 1998-12-24 Modersohn Gmbh & Co Kg Wilh Anchor rail for hammer head screws, brick connection anchors or similar to concrete structural bodies

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