EP0232549A1 - Profiled beam - Google Patents

Profiled beam Download PDF

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Publication number
EP0232549A1
EP0232549A1 EP86118084A EP86118084A EP0232549A1 EP 0232549 A1 EP0232549 A1 EP 0232549A1 EP 86118084 A EP86118084 A EP 86118084A EP 86118084 A EP86118084 A EP 86118084A EP 0232549 A1 EP0232549 A1 EP 0232549A1
Authority
EP
European Patent Office
Prior art keywords
web
profile bar
profile
bulges
straps
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP86118084A
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German (de)
French (fr)
Inventor
Hans Spelten
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Individual
Original Assignee
Individual
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped

Definitions

  • the invention relates to a profile bar, which has two belts and a connecting web connecting them to the belts, which is provided with bulges which alternately point to one and the other side of the profile bar.
  • Profile bars of this type are known for example from DE-GM 84 20 684.5.
  • the profile bar is fastened to the two belts in the region of the bulges on the outside in each case with a locally limited weld seam.
  • the web is fastened to the belts by means of two-sided weld seams, which are locally limited in the area of the middle sections of the web between the respective bulges.
  • the invention has for its object to improve the profile bars known from DE-GM 84 20 684.5 in such a way that their resilience can be precisely proven so that unnecessary oversizing can be avoided.
  • the straps of the profile bar are attached to the two longitudinal edges of the web arranged between them over the entire edge length of the web without interruptions.
  • a lightweight metal profile is created, which is universal for all static systems and loading load types can be used without having to be oversized.
  • Profile bars of this type can be produced inexpensively and appropriately without special production facilities anywhere and therefore also in so-called developing countries.
  • the belts made of metal are preferably fastened to the web of the profiled rod, which is also made of metal, in each case with at least one continuous or alternating continuous weld seam which can run, for example, on one side of the web.
  • the belts on the web are each provided with two opposite, i.e. continuous, to secure continuous, welded seams.
  • the web is bent from flat material, its sections of the individual bulges, which run at an angle to one another, being connected to one another via integral sections which are curved in a partially circular shape. Accordingly, sharp-edged transitions or corners are avoided, which would lead to changes in the material structure and thus weakening in the corner areas of the bulges and the belt-web connections. Since such uncontrollable weakenings are avoided according to the invention with certainty, it is possible for the first time to achieve uniform properties over their entire length and to set weld seams for the connection between the central web and the straps of the metal profile rod connected by them, without complicated production - and test facilities would be required.
  • profile bars made of metal, the resilience of which can be readily checked and proven accordingly.
  • Profile bars can be produced with straight, angled, tapered and otherwise curved sections, the web cross sections of which are essentially trapezoidal.
  • the profile bars can be made of aluminum as well as steel or other suitable metal, whereby in any case lightweight construction is guaranteed. Flawless production that can be carried out automatically is possible.
  • the rounded, curved edges between the trapezoidal or undulating sections of the webs ensure uniform and thus evenly resilient properties over their entire length.
  • the profile bars according to the invention can therefore be used optimally for all load cases. Both symmetrical and asymmetrical cross-sectional shapes can be used. Accordingly, the belts can run both parallel and at an angle to one another or at right angles and also at an angle to the web.
  • the bulges of the web form an angle with the belts between 10 ° to 170 ° and preferably from 60 ° to 120 °.
  • the side walls of the bulges run at an angle of 1 ° to 89 ° to the longitudinal axis or longitudinal direction of the profile bar or the web of the profile bar.
  • the straps of the profile bar consist of band material or other flat material. But they can also be formed from any open or closed profiles in any arrangement. They can also be hot rolled in one piece from a metal block.
  • the deformation and thus the resilience of the profiled bars can be reliably demonstrated due to the invention, they can not only be optimally designed, but can also be determined in all cross-sectional shapes and / or profilings and can be produced in an economically sensible manner.
  • the profile bar (1) has an upper flange (2) and a lower flange (3), which are connected to one another according to FIG. 1 via an upright web (4).
  • the belts (2 and 3) in FIG. 1 are arranged parallel to one another and essentially at right angles to the web (4), they can also run at an angle to the web (4) that deviates from 90 °, just as they enclose an angle with respect to one another can.
  • the angle to the web can be from 30 ° to 150 ° and is preferably in the range between 60 ° and 120 ° and particularly preferably between 75 ° and 105 °.
  • the straps (2 and 3) are formed according to Figure 1 from strip material or flat material. You can also consist of any profile bars U-shaped, H-shaped, angular or other cross-section, as well as round, rectangular or square hollow box profiles in cross section.
  • the web (4) is bent in the longitudinal direction of the web in such a way that it alternately forms bulges (5 and 6) pointing to one or the other side, the flanks (7) of which are at an angle between 1 ° and 89 ° to the longitudinal axis of the profile bar ( 1) run, while the section (9) connecting the flanks (7 and 8) of each bulge (5 or 6) extends practically in the longitudinal direction of the profile bar (1).
  • transitions between the flanks (7) and the section (9) of each bulge are formed by roundings (8) which are bent according to a radius. This avoids sharp-edged transitions between the individual sections of the bulges (5 and 6) and between these bulges themselves, which would lead to uncontrollable changes in the material properties in the web (4).
  • the straps (2 and 3) are welded to the corresponding ends of the web (4) according to FIG. 2 by means of a continuous, ie uninterrupted, weld seam (10).
  • the fastening is carried out with two weld seams (11 and 12) which are applied on both sides. It can be seen that due to the rounding (8) between the individual sections (7 and 9) of the bulges (5 and 6) the pork seams in question (10 or 11 and 12) run uniformly and without paragraphs and can accordingly also be produced uniformly.
  • weld seams (13 and 14) of finite length are alternately provided on one and the other side of the web (4), which, however, form a continuous connection between the web (4) and the belts (2 and 3 ) complete.
  • the profile bar (1) has a web (4) bent from flat material
  • the belts (2 and 3) are connected to one another by means of two webs (14 and 15) which are each connected to the belts by means of a weld seam (16 or 17) from the outside.
  • the outwardly facing bulges (18 and 19) of the webs (14 and 15) lie opposite one another, in the embodiment according to FIG. 6 they are offset from one another.
  • the webs (14 and 15) are bent from flat material, so that they have no sharp corners.
  • the straps (2 and 3) can also be connected to one another by means of more than two webs bent from flat material.
  • the roundings (8) are selected such that their radius corresponds to at least 1.5 times the wall thickness or sheet thickness of the material of the web (s) (4) or (14, 15). In this way, material weakening at the deflection points of the uninterrupted webs can be avoided.
  • the webs (4 or 14, 15) consist of continuous sheet metal or strip material and are approximately trapezoidal with rounded deflection points (8), because otherwise the load capacity and thus the dimensionability of the beam or profile bar cannot be calculated is.
  • profile bars or profile carriers produced in the sense of the invention can also be calculated with regard to their load-bearing capacity if their trapezoidally curved webs are only partially, namely stretch, connected to the belts. 7 to 9 show corresponding embodiments.
  • welded seams (21) of finite length are provided on the sections (22) of the approximately trapezoidal web (4) which run in the longitudinal direction of the profile bar (1) and with which this web (4) between the belts (2 and 3) is attached.
  • the web (4) is therefore only welded to the straps (2 and 3) in the region of the sections (22) extending in the longitudinal direction of the profile bar (1), while the diagonally extending sections (23) located between them are not welded to the straps (2 and 3) are connected.
  • profile bars or profile carriers produced in this way can also be calculated for their portability and resilience, so that they can be produced from flat material and, so to speak, in a lightweight construction.
  • the web (4) that runs vertically between the belts (2 and 3) is similar to that in FIG. (7) only in the region of the sections (22) with the belts (3) that run straight or in the longitudinal direction of the profile bar (1) and 4) welded, but the weld seams (21) are alternately applied from one side and the other.
  • the profile bars can also consist of plastic or a combination of plastic wood or plastic / metal. It is important that the trapezoidal corrugated central webs (4) consist of an uninterrupted band or strip and have no kinks that impair their strength. If the parts of the profile bars are made of plastic and / or wood or metal, they are connected to each other by gluing.

Abstract

Es ist ein Profilstab (1) offenbart, der zwei Gurte (2,3) und einen diese ver­bindenden, an denselben befestigten Steg (4) aufweist. Der Steg (4) hat Aus­buchtungen (5,6), die abwechselnd zur einen und zur anderen Seite des Profilstabes (1) weisen. Er ist aus Flachmaterial gebogen, so daß er keine scharfen Ecken und Kanten aufweist. Die Gurte (2,3) sind an den beiden Längskanten des Steges (4) über die gesamte Kantenlänge desselben ohne Unterbrechungen befestigt.

Figure imgaf001
A profile bar (1) is disclosed which has two belts (2, 3) and a web (4) connecting them and fastened to the same. The web (4) has bulges (5, 6) which alternately point to one and the other side of the profile bar (1). It is bent from flat material so that it has no sharp corners and edges. The straps (2, 3) are attached to the two longitudinal edges of the web (4) over the entire length of the web without interruptions.
Figure imgaf001

Description

Die Erfindung betrifft einen Profilstab, der zwei Gurte und einen diese verbindenden, an den Gurten befestigten Steg aufweist, welcher mit Ausbuchtungen versehen ist, die abwechselnd zur einen und zur anderen Seite des Profilstabes weisen.The invention relates to a profile bar, which has two belts and a connecting web connecting them to the belts, which is provided with bulges which alternately point to one and the other side of the profile bar.

Profilstäbe dieser Art sind beispielsweise aus der DE-GM 84 20 684.5 bekannt. Bei der Ausführungsform gemäß Figur 3 dieser Vorveröffent­lichung ist der Profilstab im Bereich der Ausbuchtungen jeweils auf der Außenseite mit einer örtlich begrenzten Schweißnaht an den beiden Gurten befestigt. Gemäß Figur 2 dieser Vorveröffentlichung erfolgt die Befestigung des Steges an den Gurten mittels zweiseitiger Schweiß­nähte, die im Bereich mittlerer Abschnitte des Steges zwischen den jeweiligen Ausbuchtungen örtlich begrenzt angebracht sind.Profile bars of this type are known for example from DE-GM 84 20 684.5. In the embodiment according to FIG. 3 of this prior publication, the profile bar is fastened to the two belts in the region of the bulges on the outside in each case with a locally limited weld seam. According to FIG. 2 of this prior publication, the web is fastened to the belts by means of two-sided weld seams, which are locally limited in the area of the middle sections of the web between the respective bulges.

In der Praxis hat sich gezeigt, daß trotz der vielseitigen Anwendbar­keit derartiger Metallprofile bzw. Profilstäbe es nicht möglich ist, die Belastbarkeit derselben exakt nachzuweisen, so daß Überdimensio­nierungen die zwangsläufige Folge sind. Überdimensionierungen bedeuten aber erhöhtes Gewicht der Profilstäbe und dementsprechend Unwirtschaft­lichkeit bei der Handhabung und im praktischen Einsatz.In practice, it has been shown that, despite the versatility of such metal profiles or profile bars, it is not possible to precisely demonstrate their resilience, so that oversizing is the inevitable consequence. Oversizing means, however, increased weight of the profile bars and accordingly inefficiency in handling and in practical use.

Der Erfindung liegt die Aufgabe zugrunde, die aus der DE-GM 84 20 684.5 bekannten Profilstäbe derart zu verbessern, daß deren Belastbarkeit genau nachgewiesen werden kann, damit unnötige Überdimensionierungen vermieden werden können.The invention has for its object to improve the profile bars known from DE-GM 84 20 684.5 in such a way that their resilience can be precisely proven so that unnecessary oversizing can be avoided.

Diese Aufgabe wied erfindungsgemäß dadurch gelöst, daß die Gurte des Profilstabes an den beiden Längskanten des zwischen diesen angeordne­ten Steges über die gesamte Kantenlänge des Steges ohne Unterbrechungen befestigt sind. Auf diese Weise wird ein Leichtbau-Metallprofil ge­schaffen, welches universell bei allen statischen Systemen und Be­ lastungsarten einsetzbar ist, ohne unnötig überdimensioniert werden zu müssen. Auf diese Weise ist es möglich, derartige Profilstäbe ein­fach und günstig herzustellen und gleichzeitig enorme Materialmengen bzw. Massen und Gewichte einzusparen. Derartige Profilstäbe können ohne spezielle Produktionseinrichtungen überall und somit auch in so­genannten Enwicklungsländern preisgünstig und sachgerecht hergestellt werden.This object is achieved according to the invention in that the straps of the profile bar are attached to the two longitudinal edges of the web arranged between them over the entire edge length of the web without interruptions. In this way, a lightweight metal profile is created, which is universal for all static systems and loading load types can be used without having to be oversized. In this way, it is possible to produce such profile bars easily and inexpensively and at the same time to save enormous amounts of material or masses and weights. Profile bars of this type can be produced inexpensively and appropriately without special production facilities anywhere and therefore also in so-called developing countries.

Vorzugsweise sind die aus Metall bestehenden Gurte an dem ebenfalls aus Metall bestehenden Steg des Profilstabes jeweils mit wenigstens einer einseitig oder wechselseitig durchgehenden fortlaufenden Schweiß­naht befestigt, die beispielsweise auf einer Seite des Steges verlau­fen kann. Weiteren Forderungen entsprechend ist vorgesehen, die Gurte an dem Steg jeweils mit zwei einander gegenüberliegenden durchgehenden, d.h. ununterbrochenen, Schweißnähten zu befestigen.The belts made of metal are preferably fastened to the web of the profiled rod, which is also made of metal, in each case with at least one continuous or alternating continuous weld seam which can run, for example, on one side of the web. According to further requirements, the belts on the web are each provided with two opposite, i.e. continuous, to secure continuous, welded seams.

Nach einem weiteren Merkmal der Erfindung ist der Steg aus Flachmate­rial gebogen, wobei seine winklig zueinander verlaufden Abschnitte der einzelnen Ausbuchtungen über etwa teilkreisförmig gebogene inte­grale Abschnitte miteinander verbunden sind. Dementsprechend werden scharfkantige Übergänge oder Ecken vermieden, die zu Veränderungen der Materialstrucktur und damit Schwächungen in den Eckbereichen der Aus­buchtungen und der Gurt-Steg-Verbindungen führen würden. Da derartige unkontrollierbare Schwächungen erfindungsgemäß mit Sicherheit vermie­den werden, ist es erstmals möglich, über ihre gesamte Länge gleich­förmige Eigenschaften zu erzielen und Schweißnähte für die Verbindung zwischen dem mittleren Steg und den von diesen verbundenen Gurten des Metall-Profilstabes zu setzen, ohne daß hierzu komplizierte Produk­tions- und Prüfeinrichtungen erforderlich wären.According to a further feature of the invention, the web is bent from flat material, its sections of the individual bulges, which run at an angle to one another, being connected to one another via integral sections which are curved in a partially circular shape. Accordingly, sharp-edged transitions or corners are avoided, which would lead to changes in the material structure and thus weakening in the corner areas of the bulges and the belt-web connections. Since such uncontrollable weakenings are avoided according to the invention with certainty, it is possible for the first time to achieve uniform properties over their entire length and to set weld seams for the connection between the central web and the straps of the metal profile rod connected by them, without complicated production - and test facilities would be required.

Durch die Erfindung kann man aus Metall bestehende Profilstäbe her­stellen, deren Belastbarkeit ohne weiteres zu prüfen und dementsprech­end nachzuweisen ist. Es können Profilstäbe mit geraden, abgewinkelten, konisch zulaufenden und anderweitig gebogenen Abschnitten, deren Steg­querschnitte im wesentlich trapezförmig sind, hergestellt werden. Die Profilstäbe lassen sich sowohl aus Aluminium als auch aus Stahl oder anderen geeigneten Metall herstellen, wobei in jedem Falle Leichtbau­ weise gewährleistet ist. Es ist eine automatisch durchführbare fehler­freie Herstellung möglich. Die abgerundet gebogenen Kanten zwischen den trapezförmigen oder wellenförmigen Abschnitte der Stege gewähr­leisten über ihre gesamte Länge gleichförmige und somit gleichmäßig be­lastbare Eigenschaften. Die erfindungsgemäßen Profilstäbe sind daher für alle Belastungsfälle optimal einsetzbar. Dabei können sowohl syme­trische als auch asymetrische Querschnittsformen angewendet werden. Die Gurte können dementsprechend sowohl parallel als auch in einem Winkel zueinander bzw. rechtwinklig und auch schrägwinklig zu dem Steg verlaufen.By means of the invention, it is possible to produce profile bars made of metal, the resilience of which can be readily checked and proven accordingly. Profile bars can be produced with straight, angled, tapered and otherwise curved sections, the web cross sections of which are essentially trapezoidal. The profile bars can be made of aluminum as well as steel or other suitable metal, whereby in any case lightweight construction is guaranteed. Flawless production that can be carried out automatically is possible. The rounded, curved edges between the trapezoidal or undulating sections of the webs ensure uniform and thus evenly resilient properties over their entire length. The profile bars according to the invention can therefore be used optimally for all load cases. Both symmetrical and asymmetrical cross-sectional shapes can be used. Accordingly, the belts can run both parallel and at an angle to one another or at right angles and also at an angle to the web.

Die Ausbuchtungen des Steges bilden mit den Gurten einen Winkel zwi­schen 10° bis 170° und vorzugsweise von 60° bis 120°. Die Seitenwände der Ausbuchtungen verlaufen in einem Winkel von 1° bis 89° zur Längs­achse bzw. Längsrichtung des Profilstabes bzw. des Steges des Profil­stabes.The bulges of the web form an angle with the belts between 10 ° to 170 ° and preferably from 60 ° to 120 °. The side walls of the bulges run at an angle of 1 ° to 89 ° to the longitudinal axis or longitudinal direction of the profile bar or the web of the profile bar.

In der einfachsten Ausführungsform bestehen die Gurte des Profilstabes aus Bandmaterial oder sonstigem Flachmaterial. Sie können aber auch aus beliebigen offenen oder geschlossenen Profilen in beliebiger An­ordnung gebildet sein. Ebenso können sie in einem Stück aus einem Metallblock warmgewalzt werden.In the simplest embodiment, the straps of the profile bar consist of band material or other flat material. But they can also be formed from any open or closed profiles in any arrangement. They can also be hot rolled in one piece from a metal block.

Da aufgrund der Erfindung die Verformung und damit die Belastbarkeit der Profilstäbe zuverlässig nachweisbar ist, können diese nicht nur optimal ausgelegt, sondern auch in allen Querschnittsformen und/oder Profilierungen bestimmt und wirtschaftlich sinnvoll hergestellt werden.Since the deformation and thus the resilience of the profiled bars can be reliably demonstrated due to the invention, they can not only be optimally designed, but can also be determined in all cross-sectional shapes and / or profilings and can be produced in an economically sensible manner.

In der Zeichnung sind Ausführungsbeispiele des erfindungsgemäßen Profilstabes schematisch dargestellt, und zwar zeigt

  • Figur 1 eine schaubildliche Ansicht eines Endes des Profilstabes nach einer Ausführungsform,
  • Figur 2 einen horizontalen Teilschnitt durch den Profilstab aus Figur 1 im Bereich des seine beiden Gurte verbindenden Steges und
  • Figur 3 bis 9 horizontale Teilschnitte wie in Figur 2 abgewandelter Ausführungsformen des Profilstabes.
In the drawing, exemplary embodiments of the profile bar according to the invention are shown schematically, and that shows
  • FIG. 1 shows a perspective view of one end of the profile bar according to one embodiment,
  • 2 shows a horizontal partial section through the profile bar from FIG. 1 in the region of the web connecting its two belts and
  • Figure 3 to 9 horizontal partial sections as in Figure 2 modified embodiments of the profile bar.

Der Profilstab (1) hat einen Obergurt (2) und einen Untergurt (3), die gemäß Figur 1 über einen hochkant stehenden Steg (4) miteinander verbunden sind. Obwohl die Gurte (2 und 3) in Figur 1 parallel zuein­ander und im wesentlichen rechtwinklig zu dem Steg (4) angeordnet sind, können sie auch unter einem von 90° abweichenden Winkel zum Steg (4) verlaufen, ebenso wie sie gegeneinander einen Winkel einschließen können. Der Winkel zum Steg kann von 30° bis 150° betragen und liegt vorzugsweise im Bereich zwischen 60° und 120° und besonders bevorzugt zwischen 75° und 105°.The profile bar (1) has an upper flange (2) and a lower flange (3), which are connected to one another according to FIG. 1 via an upright web (4). Although the belts (2 and 3) in FIG. 1 are arranged parallel to one another and essentially at right angles to the web (4), they can also run at an angle to the web (4) that deviates from 90 °, just as they enclose an angle with respect to one another can. The angle to the web can be from 30 ° to 150 ° and is preferably in the range between 60 ° and 120 ° and particularly preferably between 75 ° and 105 °.

Die Gurte (2 und 3) sind gemäß Figur 1 aus Bandmaterial bzw. Flachmate­rial gebildet. Sie können auch aus beliebigen Profilstäben U-förmigen, H-förmigen, winkelförmigen oder sonstigen Querschnittes bestehen, eben­so aus im Querschnitt runden, rechteckigen oder quadratischen Hohl­kastenprofilen.The straps (2 and 3) are formed according to Figure 1 from strip material or flat material. You can also consist of any profile bars U-shaped, H-shaped, angular or other cross-section, as well as round, rectangular or square hollow box profiles in cross section.

Der Steg (4) ist in Längsrichtung desselben derart gebogen ausgebildet, daß er abwechselnd nach der einen oder anderen Seite weisende Aus­buchtungen (5 und 6) bildet, deren Flanken (7) in einem Winkel zwischen 1° und 89° zur Längsachse des Profilstabes (1) verlaufen, während der die Flanken (7 und 8) verbindende Abschnitt (9) jeder Ausbuchtung (5 bzw. 6) sich praktisch in Längsrichtung des Profilstabes (1) erstreckt.The web (4) is bent in the longitudinal direction of the web in such a way that it alternately forms bulges (5 and 6) pointing to one or the other side, the flanks (7) of which are at an angle between 1 ° and 89 ° to the longitudinal axis of the profile bar ( 1) run, while the section (9) connecting the flanks (7 and 8) of each bulge (5 or 6) extends practically in the longitudinal direction of the profile bar (1).

Die Übergänge zwischen den Flanken (7) und dem Abschnitt (9) jeder Ausbuchtung sind durch Abrundungen (8) gebildet, die nach einem Radius gebogen sind. Auf diese Weise sind scharfkantige Übergänge zwischen den einzelnen Abschnitten der Ausbuchtungen (5 und 6) und zwischen diesen Ausbuchtungen selbst vermieden, die zu unkontrollierbaren Ver­änderungen der Materialeigenschaften im Steg (4) führen würden.The transitions between the flanks (7) and the section (9) of each bulge are formed by roundings (8) which are bent according to a radius. This avoids sharp-edged transitions between the individual sections of the bulges (5 and 6) and between these bulges themselves, which would lead to uncontrollable changes in the material properties in the web (4).

Die Gurte (2 und 3) sind an die entsprechenden Enden des Steges (4) gemäß Figur 2 mittels einer durchgehenden, d.h. ununterbrochenen Schweißnaht (10) angeschweißt. Bei der Ausführungsform gemäß Figur 3 erfolgt die Befestigung mit zwei doppelseitig angebrachten Schweiß­nähten (11 und 12). Es ist erkennbar, daß aufgrund der Abrundungen (8) zwischen den einzelnen Abschnitten (7 und 9) der Ausbuchtungen (5 und 6) die betreffenden Schweinähte (10 bzw. 11 und 12) gleich­förmig und absatzlos verlaufen und dementsprechend auch gleichförmig erzeugt werden können.The straps (2 and 3) are welded to the corresponding ends of the web (4) according to FIG. 2 by means of a continuous, ie uninterrupted, weld seam (10). In the embodiment according to FIG. 3, the fastening is carried out with two weld seams (11 and 12) which are applied on both sides. It can be seen that due to the rounding (8) between the individual sections (7 and 9) of the bulges (5 and 6) the pork seams in question (10 or 11 and 12) run uniformly and without paragraphs and can accordingly also be produced uniformly.

Bei der Ausführungsform aus Figur 4 sind abwechselnd auf der einen und der anderen Seite des Steges (4) Schweißnähte (13 und 14) end­licher Länge vorgesehen, die sich aber insgesamt zu einer durchgehen­den Verbindung zwischen Steg (4) und den Gurten (2 und 3) ergänzen.In the embodiment from FIG. 4, weld seams (13 and 14) of finite length are alternately provided on one and the other side of the web (4), which, however, form a continuous connection between the web (4) and the belts (2 and 3 ) complete.

Während bei den Ausführungsformen gemäß Figur 1 bis 4 der Profilstab (1) einen aus Flachmaterial gebogenen Steg (4) aufweist, sind bei den Ausführungsformen gemäß Figur 5 und 6 die Gurte (2 und 3) mittels zweier Stege (14 und 15) miteinander verbunden, die jeweils mittels einer von außen angebrachten Schweißnaht (16 bzw. 17) mit den Gurten verbunden sind. Während bei der Ausführungsform gemäß Figur 5 die nach außen weisenden Ausbuchtungen (18 und 19) der Stege (14 und 15) ein­ander gegenüber liegen, sind sie bei der Ausführungsform gemäß Figur 6 gegeneinander versetzt. Im übrigen sind auch die Stege (14 und 15) aus Flachmaterial gebogen, so daß sie keine scharfkantigen Ecken auf­weisen.While in the embodiments according to FIGS. 1 to 4 the profile bar (1) has a web (4) bent from flat material, in the embodiments according to FIGS. 5 and 6 the belts (2 and 3) are connected to one another by means of two webs (14 and 15) which are each connected to the belts by means of a weld seam (16 or 17) from the outside. While in the embodiment according to FIG. 5 the outwardly facing bulges (18 and 19) of the webs (14 and 15) lie opposite one another, in the embodiment according to FIG. 6 they are offset from one another. In addition, the webs (14 and 15) are bent from flat material, so that they have no sharp corners.

Die Gurte (2 und 3) können aber auch mittels mehr als zwei aus Flach­material gebogenen Stegen miteinander verbunden sein.The straps (2 and 3) can also be connected to one another by means of more than two webs bent from flat material.

Die Abrundungen (8) sind derart gewählt, daß deren Radius mindestens dem 1,5-fachen der Wandstärke oder Blechstärke des Materials des bzw. der Stege (4) bzw. (14, 15) entspricht. So können sicher Material­schwächungen an den Umlenkstellen der ununterbrochenen Stege vermieden werden.The roundings (8) are selected such that their radius corresponds to at least 1.5 times the wall thickness or sheet thickness of the material of the web (s) (4) or (14, 15). In this way, material weakening at the deflection points of the uninterrupted webs can be avoided.

Wesentlich ist, daß die Stege (4 bzw. 14, 15) aus ununterbrochenem Blech- oder Bandmaterial bestehen und etwa trapezförmig mit abgerun­deten Umlenkstellen (8) ausgebildet sind, weil andernfalls eine Be­rechnung der Belastbarkeit und damit eine optimale Dimensionierbar­keit des Trägers oder Profilstabes nicht möglich ist.It is essential that the webs (4 or 14, 15) consist of continuous sheet metal or strip material and are approximately trapezoidal with rounded deflection points (8), because otherwise the load capacity and thus the dimensionability of the beam or profile bar cannot be calculated is.

Es hat sich gezeigt, daß im Sinne der Erfindung hergestellte Profilstäbe oder Profilträger bezüglich ihrer Belastbarkeit auch berechnet werden können, wenn deren trapezförmig gebogene Stege nur teilweise, nämlich streckenförmig, mit den Gurten verbunden sind. Fig. 7 bis 9 zeigen ent­sprechende Ausführungsformen.It has been shown that profile bars or profile carriers produced in the sense of the invention can also be calculated with regard to their load-bearing capacity if their trapezoidally curved webs are only partially, namely stretch, connected to the belts. 7 to 9 show corresponding embodiments.

Gemäß Figur 7 sind einseitig Schweißnähte (21) endlicher Länge an den in Längsrichtung des Profilstabes (1) verlaufenden Abschnitten (22) des etwa trapezförmig ausgebildeten Steges (4) vorgesehen, mit denen dieser Steg (4) zwischen den Gurten (2 und 3) befestigt wird. Der Steg (4) ist also nur im Bereich der in Längsrichtung des Profilstabes (1) verlaufenden Ab­schnitte (22) mit den Gurten (2 und 3) verschweißt, während die dazwischen befindlichen, schräg verlaufenden Abschnitte (23) nicht mit den Gurten (2 und 3) verbunden sind. Es hat sich gezeigt, daß auch derart hergestellte Profilstäbe oder Profilträger auf ihre Tragbarkeit und Belastbarkeit be­rechnet werden können, so daß sie aus Flachmaterial und sozusagen in Leichtbauweise herstellbar sind.According to FIG. 7, welded seams (21) of finite length are provided on the sections (22) of the approximately trapezoidal web (4) which run in the longitudinal direction of the profile bar (1) and with which this web (4) between the belts (2 and 3) is attached. The web (4) is therefore only welded to the straps (2 and 3) in the region of the sections (22) extending in the longitudinal direction of the profile bar (1), while the diagonally extending sections (23) located between them are not welded to the straps (2 and 3) are connected. It has been shown that profile bars or profile carriers produced in this way can also be calculated for their portability and resilience, so that they can be produced from flat material and, so to speak, in a lightweight construction.

Gemäß Figur 8 ist der senkrecht zwischen den Gurten (2 und 3) verlaufende Steg (4) ähnlich wie in Figur (7) nur im Bereich der gerade bzw. in Längs­richtung des Profilstabes (1) verlaufenden Abschnitte (22) mit den Gurten (3 und 4) verschweißt, jedoch sind die Schweißnähte (21) abwechselnd von der einen und der anderen Seite angebracht.According to FIG. 8, the web (4) that runs vertically between the belts (2 and 3) is similar to that in FIG. (7) only in the region of the sections (22) with the belts (3) that run straight or in the longitudinal direction of the profile bar (1) and 4) welded, but the weld seams (21) are alternately applied from one side and the other.

Bei der Ausführungsform gemäß Figur 9 sind wiederum nur die in Längsrich­tung des Profilstabes oder Profilträgers (1) verlaufenden Abschnitte (22) des Steges (4) mit den Gurten (2 und 3) verbunden, jedoch sind in diesem Falle Schweißnähte (21) von beiden Seiten an den Abschnitten (22) vorge­sehen.In the embodiment according to FIG. 9, only the sections (22) of the web (4) running in the longitudinal direction of the profile bar or profile support (1) are connected to the belts (2 and 3), but in this case weld seams (21) are both Sides are provided on the sections (22).

Obwohl die Erfindung vorstehend anhand von aus Metall bestehenden Profil­stäben oder Profilträgern erläutert worden ist, können die Profilstäbe auch aus Kunststoff oder einer Kombination aus KunststoffHolz oder Kunst­stoff/Metall bestehen. Wichtig ist, daß die trapezförmig gewellten mittle­ren Stege (4) aus einem ununterbrochenen Band oder Streifen bestehen und keine deren Festigkeit beeinträchtigende Knickstellen aufweisen. Bestehen die Teile der Profilstäbe aus Kunststoff und/oder Holz oder auch Metall, werden sie durch Kleben miteinander verbunden.Although the invention has been explained above on the basis of profile bars or profile supports consisting of metal, the profile bars can also consist of plastic or a combination of plastic wood or plastic / metal. It is important that the trapezoidal corrugated central webs (4) consist of an uninterrupted band or strip and have no kinks that impair their strength. If the parts of the profile bars are made of plastic and / or wood or metal, they are connected to each other by gluing.

Claims (10)

1. Profilstab, mit zwei Gurten und einem diese verbindenden, an den­selben befestigten Steg, der Ausbuchtungen aufweist, die abwechselnd zur einen und zur anderen Seite des Profilstabes weisen,
dadurch gekennzeichnet,
daß die Gurte (2,3) an den beiden Längskanten des Steges (4; 14, 15) über die gesamte Kantenlänge desselben ohne Unterbrechungen befestigt sind.1. Profile bar, with two belts and a web connecting them and fastened to the same, which has bulges which point alternately to one and the other side of the profile bar,
characterized,
that the straps (2, 3) are fastened to the two longitudinal edges of the web (4; 14, 15) over the entire length of the edge without interruptions. 2. Profilstab nach Anspruch 1, dadurch gekennzeichnet, daß die Gurte (2,3) an dem Steg (4; 14, 15) jeweils mit einer einseitig oder wechselseitig durchgehenden forlaufenden Schweißnaht (10; 11, 12, 13, 14; 16, 17) befestigt sind.2. Profile bar according to claim 1, characterized in that the straps (2,3) on the web (4; 14, 15) each with a one-sided or alternating continuous weld (10; 11, 12, 13, 14; 16, 17) are attached. 3. Profilstab nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Gurte (2,3) an dem Steg (4) jeweils mit zwei einander gegenüber­liegenden ununterbrochenen Schweißnähten (11 und 12) befestigt sind.3. Profile bar according to claim 1 or 2, characterized in that the straps (2,3) on the web (4) are each fastened with two opposing continuous weld seams (11 and 12). 4. Profilstab nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Steg (4; 14, 15) aus Flachmaterial gebogen ist und seine winklig zueinander verlaufenden Abschnitte (7 und 9) der einzelnen Ausbuchtungen (5,6; 18, 19) über teilkreisförmige integrale gebo­gene Abschnitte (8) miteinander verbunden sind.4. Profile rod according to one of claims 1 to 3, characterized in that the web (4; 14, 15) is bent from flat material and its mutually angled sections (7 and 9) of the individual bulges (5,6; 18, 19th ) are connected to one another via part-circular integral curved sections (8). 5. Profilstab nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Ausbuchtungen (5, 6; 18, 19) des Steges (4; 14, 15) mit den Gurten (2,3) einen Winkel von 10° bis 170° sowohl im Längs­schnitt als auch im Querschnitt des Profilstabes (1) bilden.5. Profile bar according to one of claims 1 to 4, characterized in that the bulges (5, 6; 18, 19) of the web (4; 14, 15) with the belts (2,3) an angle of 10 ° to 170 ° form both in the longitudinal section and in the cross section of the profile bar (1). 6. Profilstab nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Flanken (7) der Ausbuchtungen (5, 6; 18, 19) in einem Win­kel von 1° bis 89° zur Längsachse des Profilstabes (1) verlaufen.6. Profile bar according to one of claims 1 to 5, characterized in that the flanks (7) of the bulges (5, 6; 18, 19) extend at an angle of 1 ° to 89 ° to the longitudinal axis of the profile bar (1). 7. Profilstab nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Steg aus zwei oder mehr gebogenen Flachmaterialstreifen (14 und 15) besteht.7. Profile bar according to one of claims 1 to 6, characterized in that the web consists of two or more bent flat material strips (14 and 15). 8. Profilstab nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Gurte (2,3) und der Steg (4) einstückig aus einem warmver­formten Metallblock bestehen.8. Profile bar according to one of claims 1 to 6, characterized in that the straps (2,3) and the web (4) consist in one piece of a thermoformed metal block. 9. Profilstab nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Steg (4) aus einem fortlaufenden, ununterbrochenen Streifen oder Band besteht und daß der Radius der gebogenen Abschnitte (8) wenigstens dem 1,5-fachen der Dicke des den Steg bildenden Bandes entspricht.9. Profile rod according to one of claims 1 to 8, characterized in that the web (4) consists of a continuous, uninterrupted strip or tape and that the radius of the bent sections (8) at least 1.5 times the thickness of the Bridge forming band corresponds. 10. Profilstab nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die fortlaufenden Schweißnähte (21) nur an den in Längsrichtung des Profilstabes (1) verlaufenden Abschnitten (22) des Steges (4) vorgesehen sind.10. Profile bar according to one of claims 1 to 9, characterized in that the continuous welds (21) are provided only on the in the longitudinal direction of the profile bar (1) portions (22) of the web (4).
EP86118084A 1986-01-08 1986-12-27 Profiled beam Ceased EP0232549A1 (en)

Applications Claiming Priority (2)

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DE8600280U DE8600280U1 (en) 1986-01-08 1986-01-08 Profile bar
DE8600280U 1986-01-08

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EP0313760A2 (en) * 1987-10-28 1989-05-03 Maschinenbau Gerold Gmbh + Co. Kg Apparatus for making structural beams or the like
DE19755189A1 (en) * 1997-12-12 1999-06-24 Wilhelm Tamke Foundation plate for machines and other installations
DE102006054818A1 (en) * 2006-11-21 2008-05-29 Prof. Feix Research & Development Gmbh & Co. Kg Carrier element, bearing arrangement and adjustment arrangement for a flexure arrangement
DE102020001103A1 (en) 2020-02-20 2021-08-26 Daimler Ag Aluminum support structure for receiving at least one drive component of a drive device of a motor vehicle

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EP0313760A2 (en) * 1987-10-28 1989-05-03 Maschinenbau Gerold Gmbh + Co. Kg Apparatus for making structural beams or the like
EP0313760A3 (en) * 1987-10-28 1990-06-27 Maschinenbau Gerold Gmbh + Co. Kg Apparatus for making structural beams or the like
DE19755189A1 (en) * 1997-12-12 1999-06-24 Wilhelm Tamke Foundation plate for machines and other installations
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DE102006054818A1 (en) * 2006-11-21 2008-05-29 Prof. Feix Research & Development Gmbh & Co. Kg Carrier element, bearing arrangement and adjustment arrangement for a flexure arrangement
DE102020001103A1 (en) 2020-02-20 2021-08-26 Daimler Ag Aluminum support structure for receiving at least one drive component of a drive device of a motor vehicle

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IL81180A0 (en) 1987-08-31
YU1687A (en) 1989-02-28
US5012626A (en) 1991-05-07
AU591403B2 (en) 1989-11-30
PT8657U (en) 1996-07-31
NO873724D0 (en) 1987-09-07
ZA8718B (en) 1987-08-26
PL263589A1 (en) 1987-11-16
OA08653A (en) 1988-11-30
YU46872B (en) 1994-06-24
PT84082A (en) 1987-09-18
CS259547B2 (en) 1988-10-14
SI8710016B (en) 1998-06-30
CN87100148A (en) 1987-08-19
CS17387A2 (en) 1988-02-15
NZ218857A (en) 1989-04-26
IL81180A (en) 1991-05-12
SI8710016A (en) 1996-10-31
BR8607080A (en) 1988-01-19
MX171632B (en) 1993-11-10
RO103630B1 (en) 1993-11-02
CA1288571C (en) 1991-09-10
WO1987004207A1 (en) 1987-07-16
AU6891487A (en) 1987-07-28
DK465587A (en) 1987-09-07
PL157217B1 (en) 1992-05-29
CN1004894B (en) 1989-07-26
DE8600280U1 (en) 1986-02-27
FI873878A0 (en) 1987-09-08
DK465587D0 (en) 1987-09-07
PT8657T (en) 1993-07-30
IN166533B (en) 1990-05-26
JPS63502197A (en) 1988-08-25
DD261181A5 (en) 1988-10-19
NO873724L (en) 1987-09-07
BG50053A3 (en) 1992-04-15
FI873878A (en) 1987-09-08
HUT44303A (en) 1988-02-29
JP2594299B2 (en) 1997-03-26

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