EP3697980B1 - Horizontal bar - Google Patents

Horizontal bar Download PDF

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Publication number
EP3697980B1
EP3697980B1 EP18793188.6A EP18793188A EP3697980B1 EP 3697980 B1 EP3697980 B1 EP 3697980B1 EP 18793188 A EP18793188 A EP 18793188A EP 3697980 B1 EP3697980 B1 EP 3697980B1
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EP
European Patent Office
Prior art keywords
horizontal bar
heads
scaffold
sheet metal
bent sheet
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EP18793188.6A
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German (de)
French (fr)
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EP3697980A1 (en
Inventor
Tobias STECK
Alfred REICHENSBERGER
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Peri SE
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Peri GmbH
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Publication of EP3697980A1 publication Critical patent/EP3697980A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges

Definitions

  • a horizontal ledger for horizontally connecting two scaffolding posts of a scaffolding, e.g. B. a scaffolding, with a middle part and with two heads formed at one end of the middle part, the heads being provided for hooking into a hooking area of one of the scaffolding poles.
  • Scaffolding walers are essential components of scaffolding, such as those used in the construction sector as working platforms, for fastening formwork or as protective equipment. Scaffolding walers typically have a tube as the center section, with the heads being manufactured as cast or forged parts and attached to the ends of the tube.
  • Known horizontal bars are, for example, in the DE 10 2013 102492 A1 or the GB 2 155 140A disclosed.
  • the horizontal bar according to the invention for the horizontal connection of two scaffolding standards of a scaffolding has a central part extending in the direction of a longitudinal axis of the horizontal bar and two heads formed at one axial end of the central part, the heads being provided for hooking into a hooking area of one of the scaffolding standards.
  • at least one of the two heads is designed as a deep-drawn part, and the central part and at least one of the heads are made in one piece from a bent sheet metal part.
  • both heads, or just one of the two heads can be designed as deep-drawn parts and the horizontal bar can be made in one piece from a bent sheet metal part.
  • bent sheet metal part is a one-piece sheet metal construction in the form of a z. B. sawn or cut (punched) sheet metal with several sub-areas for forming different areas z. B. a back surface, side surfaces or surfaces of the heads are provided and brought into the shape of the horizontal bar by bending.
  • the horizontal bar according to the invention it is possible to replace the forged or cast heads of conventional horizontal bars with a light design.
  • the light design leads to a reduction in weight while at the same time increasing the resistance to breakage of the heads.
  • the bent sheet metal part and the deep-drawn parts can be made of z. B. 4mm thick sheet steel, whereby increased resistance to breakage can be achieved.
  • Deep-drawn parts are sheet metal parts formed by deep-drawing. Deep drawing is that Tension compression forming of sheet metal, e.g. B. a steel sheet, in a hollow body open on one side without intentional change in sheet thickness. The sheet metal is pressed into the hollow body with a punch, whereby the sheet metal adopts the surface shape of the hollow body acting as a die.
  • Both the bent sheet metal part and the deep-drawn part are suitable for welding to one another or to other steel parts.
  • the production of the horizontal bar according to the invention is therefore possible very inexpensively in comparison to the production methods used in conventional horizontal bars, with low material costs and low welding costs being incurred in particular.
  • the horizontal bar can be provided with only small manufacturing tolerances.
  • the horizontal bar advantageously has a wedge in the area of the heads to secure the heads in their predetermined assembly position in/on one of the hooking areas of the scaffolding standards.
  • the horizontal bar is produced as a bent sheet metal part and is connected to the edges of the bent sheet metal part by means of weld seams. This leads to a reduction in the number of components and reduced welding costs, with the welding being able to be carried out by laser welding.
  • a symmetrical embodiment of the horizontal bar according to the invention is achieved when both heads are designed as a deep-drawn part.
  • the central part can be designed in particular as a tubular hollow profile, in particular with a rectangular or square cross section, ie as a so-called square tube.
  • the central part can also be used, for. B. be designed as a U-profile, whereby further material savings can be realized.
  • the deep-drawn parts can each have a contact area for contacting one of the scaffolding posts and a counter-surface area for forming a counter-surface for the wedges, thereby increasing the stability of the horizontal bar according to the invention.
  • the bent sheet metal part preferably has an essentially rectangular back surface that defines the distance between the scaffolding posts to be connected, with a side surface being provided on the longitudinal edges of the back surface, and the side surfaces having extensions at their end regions for forming the heads. These extensions can represent partial areas that can also be formed into heads by means of deep-drawing.
  • the bent sheet metal part has two sub-surfaces for forming a respective counter surface for the wedges. In one embodiment, these partial surfaces can be formed on one of the edges of the central part forming the narrow sides of the back surface of the central part, or in another embodiment these partial surfaces can be formed on at least one of the edges of the side surfaces.
  • the horizontal ledger according to the invention is suitable for its use for bracing a scaffolding with two scaffolding standards, the horizontal ledger connecting the scaffolding standards to one another in a bracing manner in its predetermined assembly position.
  • the scaffolding posts advantageously have hooking areas and one of the heads of the horizontal bar is hooked into one of the hooking areas in such a way that the scaffolding posts are horizontally connected to one another by means of the horizontal bar.
  • the hooking areas can be formed in particular by rosettes with hooking openings fastened to the scaffolding posts. If the horizontal ledger according to the invention has a wedge in the area of its heads to secure the heads in one of the hooking areas of the scaffolding posts, the heads can be secured in position by means of the wedges in the hooking areas of the rosette.
  • FIGS. 1a to 1b each show a perspective view of a portion of a scaffolding 1 with a horizontal ledger 2 according to the invention.
  • the horizontal bars each have a central part 4 which is provided with a head 5 at both ends.
  • Horizontal bars 2 shown are each designed as a one-piece bent sheet metal part.
  • the central part 4 and the two heads 5 of the horizontal bar 2 are thus brought into the illustrated shape of the horizontal bar 2 by bending from a single sheet metal cut to size.
  • the two heads 5 of the horizontal bar 2 are each designed as a deep-drawn part welded to the ends of the central part 4 .
  • the heads 5 of the respective horizontal bar 2 is hooked into its respective hooking area 8 .
  • the head shown free is also hooked into a hooking area 8 of a further scaffolding post 7 .
  • the horizontal bar 2 is suitable for the horizontal connection of two scaffolding standards 7 of the scaffolding 1. Both scaffolding standards 7 have hooking areas 8 and one of the heads 5 of the horizontal bar 2 is hooked into one of the hooking areas 8 in such a way that the scaffolding standards 7 are connected by means of the Horizontal bar 2 are connected to each other horizontally.
  • the middle part 4 of the horizontal bar 2 extends in the direction of the longitudinal axis L of the horizontal bar 2.
  • the two heads 5 of the horizontal bar 2 are each formed at an axial end of the middle part 4.
  • the heads 5 are shaped in such a way that they are suitable for hooking into a hooking area 8 of one of the scaffolding posts 7 in each case.
  • a wedge 11 is arranged to secure the heads 5 in one of the hooking areas 8 in each case.
  • the wedges 11 are guided through openings 12 in an end face 14 of the horizontal bar 2 .
  • the openings 12 thus form passage openings for the wedges 11 .
  • the hooking areas 8 are formed by rosettes 16 fastened to the scaffolding posts 7 with hooking openings 17 .
  • the heads 5 are secured in their mounted state on a scaffolding post in each case by means of a wedge 11 in the hooking areas 8, ie in one of the hooking openings 17 in each case.
  • Each of the rosettes 16 arranged in a ring around the associated scaffold post 7 has several, here four, Openings, each forming a hooking opening 17 for a head 5 of a horizontal bar 2.
  • the middle part 4 and both heads 5 are made together in one piece from a bent sheet metal part.
  • the bent sheet metal part has an essentially rectangular back surface 14 that defines the distance between the scaffolding posts 7 to be connected.
  • a side surface 20 is provided on each of the longitudinal edges of the back surface 14 .
  • These side faces 20 have extensions 21 at their end regions for forming the heads.
  • FIG. 1a to 1c only one of the side surfaces 20 can be seen in each case, since the second side surface is covered in the perspective view.
  • the bent sheet metal part has two partial surfaces 23 each for forming a counter surface for the wedges 11 . Due to the perspective representation, only one of the partial surfaces 23 can be seen in the figures.
  • the partial surfaces 23 are formed on one of the edges of the side surfaces 20 in each case. Abutting edge regions of the bent sheet metal part can be welded to one another.
  • the partial surfaces 23 forming the counter surfaces are formed on one edge of the central part 4 forming the narrow sides of the rear surface 14 of the central part 4 .
  • both heads 5 are designed as a deep-drawn part.
  • the middle part 4 is shaped as a tubular hollow profile with a rectangular cross section.
  • the deep-drawn parts forming the heads 5 each have a contact area 30 for contacting one of the scaffolding posts 7 and a counter-surface area 31 for forming a counter-surface for the wedges 11 .
  • the heads 5 are each welded to the middle part 4 at one of the ends of the middle part 4 via a weld seam 34 .
  • the Figures 2a to 2c each show a longitudinal section through the Figures 1a to 1c scaffolding areas 1 shown.
  • the sectional plane runs along the longitudinal axis L and in a hooking direction of the heads 5, ie parallel to the scaffolding posts 7, in the rosettes 16 of which one of the heads 5 is hooked.
  • the wedges 11 guided through through-openings 12 in the upper back surfaces 14 of the central parts 4 of the horizontal bars 2 run in the cutting plane.
  • the wedges 11 each wedge one of the counter surfaces 35 of the heads 2 with a counter area 36 of the rosettes 16.
  • the Figures 3a and 3b each show developments of the bent sheet metal parts 40 from which the horizontal bars of the invention Figures 1a and 1b are made. These developments represent the sectional shape of the sheets, ie the sheet metal blanks, which are formed by bending in the form of horizontal bars according to the invention, such. Tie Figures 1a and 1b presented, brought.
  • the processing according to Figure 3a represents the sectional shape of the horizontal ledger Figure 1a and the processing according to Figure 3b represents the sectional shape of the horizontal ledger Figure 1b
  • the developments have the essentially rectangular back surface 14 that defines the distance between the scaffolding posts to be connected, with a side surface 20 being formed on each of the two longitudinal edges of the back surface 14, and the side surfaces 20 having extensions 21 at their end regions for forming the heads.
  • the partial surfaces 23 forming the counter surfaces are formed on one edge of the central part forming the narrow sides of the rear surface 14 of the central part.
  • the partial surfaces 23 are formed on one of the edges of the side surfaces 20 in each case.
  • the passage openings 12 for the wedges in the back surfaces 14 can also be seen.

Description

Die Erfindung betrifft einen Horizontalriegel (= Gerüstriegel) zum horizontalen Verbinden von zwei Gerüststielen eines Gerüstes, z. B. eines Baugerüstes, mit einem Mittelteil und mit zwei an jeweils einem Ende des Mittelteils ausgebildeten Köpfen, wobei die Köpfe zum Verhaken in einen Einhakbereich jeweils eines der Gerüststiele vorgesehen sind.The invention relates to a horizontal ledger (= scaffolding ledger) for horizontally connecting two scaffolding posts of a scaffolding, e.g. B. a scaffolding, with a middle part and with two heads formed at one end of the middle part, the heads being provided for hooking into a hooking area of one of the scaffolding poles.

Gerüstriegel sind wesentliche Bestandteile von Gerüsten, wie diese im Baubereich als Arbeitsplattform, zur Befestigung einer Schalung oder als Schutzeinrichtung verwendet werden. Gerüstriegel weisen in der Regel ein Rohr als Mittelteil auf, wobei die Köpfe als Guss- oder Schmiedeteile hergestellt sind und an den Enden des Rohrs befestigt sind.Scaffolding walers are essential components of scaffolding, such as those used in the construction sector as working platforms, for fastening formwork or as protective equipment. Scaffolding walers typically have a tube as the center section, with the heads being manufactured as cast or forged parts and attached to the ends of the tube.

Gegossene oder geschmiedete Köpfe haben allerdings ein hohes Gewicht und sind hinsichtlich ihrer Materialeigenschaften relativ spröde. Weiter ist ein Verschweißen der Köpfe mit dem Mittelteil z. T. aufwändig oder nicht möglich. Dies führt zu hohen Herstellungskosten und kann bei schlechter Handhabbarkeit zu einer mitunter nicht ausreichenden Bruchsicherheit der bekannten Gerüstriegel führen.However, cast or forged heads are heavy and relatively brittle in terms of their material properties. Next is a welding of the heads with the middle part z. T. complex or not possible. This leads to high production costs and, if it is difficult to handle, can sometimes result in the known scaffolding walers not being sufficiently safe against breakage.

Bekannte Horizontalriegel sind z.B. in der DE 10 2013 102492 A1 oder der GB 2 155 140 A offenbart.Known horizontal bars are, for example, in the DE 10 2013 102492 A1 or the GB 2 155 140A disclosed.

Es ist deshalb die Aufgabe der Erfindung, einen Horizontalriegel bereitzustellen, der die Nachteile des Standes der Technik verringert, wobei eine verbesserte Handhabbarkeit bei geringeren Herstellungskosten ermöglicht werden soll.It is therefore the object of the invention to provide a horizontal ledger that reduces the disadvantages of the prior art, with improved handling at lower production costs.

Diese Aufgabe wird erfindungsgemäß durch einen Horizontalriegel mit den in Anspruch 1 angegebenen Merkmalen gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen sowie in der Beschreibung angegeben.According to the invention, this object is achieved by a horizontal bar having the features specified in claim 1 . Advantageous developments of the invention are specified in the dependent claims and in the description.

Der erfindungsgemäße Horizontalriegel zum horizontalen Verbinden von zwei Gerüststielen eines Gerüstes weist ein sich in Richtung einer Längsachse des Horizontalriegels erstreckenden Mittelteil und zwei an jeweils einem axialen Ende des Mittelteils ausgebildete Köpfe auf, wobei die Köpfe zum Verhaken in einen Einhakbereich jeweils eines der Gerüststiele vorgesehen sind. Erfindungsgemäß ist mindestens einer der beiden Köpfe als ein Tiefziehteil ausgebildet und das Mittelteil und mindestens einer der Köpfe sind gemeinsam aus einem Biegeblechteil einstückig hergestellt. Insbesondere können beide Köpfe, oder auch nur einer der beiden Köpfe, als Tiefziehteile ausgeführt sein und der Horizontalriegel kann aus einem Biegeblechteil einstückig hergestellt sein. Dazu kann ein Tiefziehen von Bereichen des Biegeblechteils, die zur Ausbildung der Köpfe vorgesehen sind, erfolgen, bevor das Biegeblechteil in die Form des Horizontalriegels gebogen wird. Bei dem Biegeblechteil handelt es sich um eine einstückige Blechkonstruktion in Form eines z. B. ausgesägten oder freigeschnittenen (gestanzten) Bleches mit mehreren Teilflächen, die zum Ausbilden verschiedener Bereiche z. B. einer Rückenfläche, Seitenflächen oder Flächen der Köpfe vorgesehen sind und durch Biegen in Form des Horizontalriegels gebracht werden.The horizontal bar according to the invention for the horizontal connection of two scaffolding standards of a scaffolding has a central part extending in the direction of a longitudinal axis of the horizontal bar and two heads formed at one axial end of the central part, the heads being provided for hooking into a hooking area of one of the scaffolding standards. According to the invention, at least one of the two heads is designed as a deep-drawn part, and the central part and at least one of the heads are made in one piece from a bent sheet metal part. In particular, both heads, or just one of the two heads, can be designed as deep-drawn parts and the horizontal bar can be made in one piece from a bent sheet metal part. For this purpose, areas of the bent sheet metal part that are provided for forming the heads can be deep-drawn before the bent sheet metal part is bent into the shape of the horizontal bar. The bent sheet metal part is a one-piece sheet metal construction in the form of a z. B. sawn or cut (punched) sheet metal with several sub-areas for forming different areas z. B. a back surface, side surfaces or surfaces of the heads are provided and brought into the shape of the horizontal bar by bending.

Mittels des erfindungsgemäßen Horizontalriegels ist ein Ersatz der geschmiedeten oder gegossenen Köpfe herkömmlicher Horizontalriegel in leichter Ausführung möglich. Die leichte Ausführung führt zu einer Gewichtsreduzierung bei gleichzeitiger Erhöhung der Bruchsicherheit der Köpfe. Das Biegeblechteil und die Tiefziehteile können aus, z. B. 4mm starkem, Stahlblech gefertigt sein, wodurch eine erhöhte Bruchsicherheit erreicht werden kann. Bei den Tiefziehteilen handelt es sich um durch Tiefziehen umgeformte Blechteile. Tiefziehen ist das Zugdruckumformen eines Blechs, z. B. eines Stahlblechs, in einem einseitig offenen Hohlkörper ohne gewollte Veränderung der Blechdicke. Das Blech wird dabei mit einem Stempel in den Hohlkörper gepresst, wodurch das Blech die Oberflächenform des als Matrize fungierenden Hohlkörpers annimmt. Sowohl das Biegeblechteil als auch das Tiefziehteil eignen sich zum Verschweißen miteinander oder mit anderen Stahlteilen. Die Herstellung des erfindungsgemäßen Horizontalriegels ist dadurch im Vergleich zu den bei herkömmlichen Horizontalriegeln eingesetzten Fertigungsverfahren sehr kostengünstig möglich, wobei insbesondere geringe Materialkosten und niedrige Schweißkosten anfallen. Darüber hinaus kann der Horizontalriegel mit nur geringen Fertigungstoleranzen bereitgestellt werden.By means of the horizontal bar according to the invention, it is possible to replace the forged or cast heads of conventional horizontal bars with a light design. The light design leads to a reduction in weight while at the same time increasing the resistance to breakage of the heads. The bent sheet metal part and the deep-drawn parts can be made of z. B. 4mm thick sheet steel, whereby increased resistance to breakage can be achieved. Deep-drawn parts are sheet metal parts formed by deep-drawing. Deep drawing is that Tension compression forming of sheet metal, e.g. B. a steel sheet, in a hollow body open on one side without intentional change in sheet thickness. The sheet metal is pressed into the hollow body with a punch, whereby the sheet metal adopts the surface shape of the hollow body acting as a die. Both the bent sheet metal part and the deep-drawn part are suitable for welding to one another or to other steel parts. The production of the horizontal bar according to the invention is therefore possible very inexpensively in comparison to the production methods used in conventional horizontal bars, with low material costs and low welding costs being incurred in particular. In addition, the horizontal bar can be provided with only small manufacturing tolerances.

Um den erfindungsgemäßen Horizontalriegel bei seiner Verwendung an einem Gerüst zu sichern, weist der Horizontalriegel vorteilhaft im Bereich der Köpfe jeweils einen Keil zum Sichern der Köpfe in ihrer vorgegebenen Montageposition in/an jeweils einem der Einhakbereiche der Gerüststiele auf.In order to secure the horizontal bar according to the invention when used on scaffolding, the horizontal bar advantageously has a wedge in the area of the heads to secure the heads in their predetermined assembly position in/on one of the hooking areas of the scaffolding standards.

Weiter können aneinanderstoßende Randbereiche des Biegeblechteils miteinander verschweißt sein. Derart ist der Horizontalriegel als Blechbiegeteil hergestellt und mittels Schweißnähten an Kanten des Biegeblechteils verbunden. Dies führt zu einer Bauteilreduzierung und reduzierten Schweißkosten, wobei das Schweißen durch Laserschweißen erfolgen kann.Furthermore, abutting edge regions of the bent sheet metal part can be welded to one another. In this way, the horizontal bar is produced as a bent sheet metal part and is connected to the edges of the bent sheet metal part by means of weld seams. This leads to a reduction in the number of components and reduced welding costs, with the welding being able to be carried out by laser welding.

Eine symmetrische Ausführungsform des erfindungsgemäßen Horizontalriegels wird erreicht, wenn beide Köpfe als ein Tiefziehteil ausgebildet sind. Das Mittelteil kann dabei insbesondere als ein Rohrhohlprofil, insbesondere mit einem rechteckigen oder quadratischen Querschnitt, d. h. als ein sogenanntes Kantrohr, ausgebildet sein. Das Mittelteil kann nach der Erfindung aber auch z. B. als ein U-Profil ausgebildet sein, wodurch eine weitere Materialeinsparung realisiert werden kann.A symmetrical embodiment of the horizontal bar according to the invention is achieved when both heads are designed as a deep-drawn part. The central part can be designed in particular as a tubular hollow profile, in particular with a rectangular or square cross section, ie as a so-called square tube. According to the invention, the central part can also be used, for. B. be designed as a U-profile, whereby further material savings can be realized.

Die Tiefziehteile können erfindungsgemäß jeweils einen Anliegebereich zum Anliegen an jeweils einen der Gerüststiele und jeweils einen Konterflächenbereich zum Ausbilden von jeweils einer Konterfläche für die Keile aufweisen, wodurch die Stabilität des erfindungsgemäßen Horizontalriegels erhöht wird.According to the invention, the deep-drawn parts can each have a contact area for contacting one of the scaffolding posts and a counter-surface area for forming a counter-surface for the wedges, thereby increasing the stability of the horizontal bar according to the invention.

Ebenfalls symmetrisch ist eine Ausführungsform des erfindungsgemäßen Horizontalriegels, bei der das Mittelteil und beide Köpfe gemeinsam aus einem Biegeblechteil einstückig hergestellt sind. Das Biegeblechteil weist dabei vorzugsweise eine den Abstand der zu verbindenden Gerüststiele festlegende, im Wesentlichen rechteckige, Rückenfläche auf, wobei an den Längskanten der Rückenfläche jeweils eine Seitenfläche vorgesehen ist, und die Seitenflächen an ihren Endbereichen Fortsätze zum Ausbilden der Köpfe aufweisen. Diese Fortsätze können Teilflächen darstellen, die auch mittels Tiefziehen zu Köpfen umgeformt werden können. Insbesondere weist das Biegeblechteil zwei Teilflächen zum Ausbilden von jeweils einer Konterfläche für die Keile auf. Diese Teilflächen können in einer Ausführungsform an jeweils einer die Schmalseiten der Rückenfläche des Mittelteils ausbildenden Kanten des Mittelteils angeformt sein oder in einer anderen Ausführungsform können diese Teilflächen an mindestens einer der Kanten der Seitenflächen angeformt sein.Also symmetrical is an embodiment of the horizontal bar according to the invention, in which the central part and both heads are produced together in one piece from a bent sheet metal part. The bent sheet metal part preferably has an essentially rectangular back surface that defines the distance between the scaffolding posts to be connected, with a side surface being provided on the longitudinal edges of the back surface, and the side surfaces having extensions at their end regions for forming the heads. These extensions can represent partial areas that can also be formed into heads by means of deep-drawing. In particular, the bent sheet metal part has two sub-surfaces for forming a respective counter surface for the wedges. In one embodiment, these partial surfaces can be formed on one of the edges of the central part forming the narrow sides of the back surface of the central part, or in another embodiment these partial surfaces can be formed on at least one of the edges of the side surfaces.

Der erfindungsgemäße Horizontalriegel eignet sich zu dessen Verwendung zur Aussteifung eines Gerüstes mit zwei Gerüststielen, wobei der Horizontalriegel die Gerüststiele in seiner vorgegebenen Montageposition aussteifend miteinander verbindet. Die Gerüststiele weisen dabei vorteilhaft Einhakbereiche auf und jeweils einer der Köpfe des Horizontalriegels ist in einen der Einhakbereiche eingehakt, derart, dass die Gerüststiele mittels des Horizontalriegels horizontal miteinander verbunden sind.The horizontal ledger according to the invention is suitable for its use for bracing a scaffolding with two scaffolding standards, the horizontal ledger connecting the scaffolding standards to one another in a bracing manner in its predetermined assembly position. The scaffolding posts advantageously have hooking areas and one of the heads of the horizontal bar is hooked into one of the hooking areas in such a way that the scaffolding posts are horizontally connected to one another by means of the horizontal bar.

Die Einhakbereiche können insbesondere von an den Gerüststielen befestigten Rosetten mit Einhaköffnungen ausgebildet sein. Wenn der erfindungsgemäße Horizontalriegel im Bereich seiner Köpfe jeweils einen Keil zum Sichern der Köpfe in jeweils einem der Einhakbereiche der Gerüststiele aufweist, können die Köpfe mittels der Keile in den Einhakbereichen der Rosette lagegesichert sein.The hooking areas can be formed in particular by rosettes with hooking openings fastened to the scaffolding posts. If the horizontal ledger according to the invention has a wedge in the area of its heads to secure the heads in one of the hooking areas of the scaffolding posts, the heads can be secured in position by means of the wedges in the hooking areas of the rosette.

Weitere Vorteile der Erfindung ergeben sich aus der Beschreibung und der Zeichnung. Die gezeigten und beschriebenen Ausführungsformen sind nicht als abschließende Aufzählung zu verstehen, sondern haben vielmehr beispielhaften Charakter für die Schilderung der Erfindung.Further advantages of the invention result from the description and the drawing. The embodiments shown and described are not to be understood as an exhaustive list, but rather have an exemplary character for the description of the invention.

Nachfolgend wird die Erfindung anhand von in der Zeichnung wiedergegebenen Ausführungsbeispielen erläutert.The invention is explained below with reference to exemplary embodiments reproduced in the drawing.

In der Zeichnung zeigen

Fig. 1a:
eine perspektivische Ansicht eines Teilbereiches eines Gerüstes mit einem erfindungsgemäßen Horizontalriegel, der aus einem Biegeblechteil einstückig hergestellt ist;
Fig. 1b:
eine perspektivische Ansicht eines Teilbereiches eines Gerüstes mit einem erfindungsgemäßen Horizontalriegel, der aus einem Biegeblechteil einstückig hergestellt ist in einer weiteren Ausführungsform;
Fig. 1c:
eine perspektivische Ansicht eines Teilbereiches eines Gerüstes mit einem nicht erfindungsgemäßen Horizontalriegel, dessen Köpfe als jeweils ein Tiefziehteil ausgebildet sind;
Fig. 2a bis c:
jeweils einen Längsschnitt durch die in den Figuren 1a bis 1c dargestellten Gerüstbereiche; und
Fig. 3a und 3b:
jeweils Abwicklungen der Biegeblechteile aus denen die erfindungsgemäßen Horizontalriegel der Figuren 1a und 1b hergestellt sind.
Show in the drawing
Figure 1a:
a perspective view of a portion of a scaffolding with a horizontal ledger according to the invention, which is made in one piece from a bent sheet metal part;
Figure 1b:
a perspective view of a portion of a scaffolding with a horizontal ledger according to the invention, which is made in one piece from a bent sheet metal part in a further embodiment;
Figure 1c:
a perspective view of a portion of a scaffolding with a non-inventive horizontal ledger whose heads are each formed as a deep-drawn part;
Fig. 2a to c:
each a longitudinal section through the Figures 1a to 1c scaffolding areas shown; and
Figures 3a and 3b:
each development of the bent sheet metal parts from which the horizontal bars of the invention Figures 1a and 1b are made.

Die Figuren 1a bis 1b zeigen jeweils eine perspektivische Ansicht eines Teilbereiches eines Gerüstes 1 mit einem erfindungsgemäßen Horizontalriegel 2. Die Horizontalriegel weisen jeweils ein Mittelteil 4 auf, das beidenends mit einem Kopf 5 versehen ist.the Figures 1a to 1b each show a perspective view of a portion of a scaffolding 1 with a horizontal ledger 2 according to the invention. The horizontal bars each have a central part 4 which is provided with a head 5 at both ends.

Die in den Figuren 1a und 1b dargestellten Horizontalriegel 2 sind jeweils als ein einstückiges Biegeblechteil ausgeführt. Das Mittelteil 4 und die beiden Köpfe 5 der Horizontalriegel 2 sind mithin aus einem einzigen zugeschnittenen Blech durch Biegen in die dargestellte Form des Horizontalriegels 2 gebracht.The in the Figures 1a and 1b Horizontal bars 2 shown are each designed as a one-piece bent sheet metal part. The central part 4 and the two heads 5 of the horizontal bar 2 are thus brought into the illustrated shape of the horizontal bar 2 by bending from a single sheet metal cut to size.

Bei dem nicht erfindungsgemäßen Horizontalriegel 2 gemäß Fig. 1c sind die beiden Köpfe 5 des Horizontalriegels 2 jeweils als ein an die Enden des Mittelteils 4 angeschweißtes Tiefziehteil ausgebildet.In accordance with the horizontal bar 2 not according to the invention 1c the two heads 5 of the horizontal bar 2 are each designed as a deep-drawn part welded to the ends of the central part 4 .

Zur besseren Erkennbarkeit der Ausformung der Köpfe 5 ist in den Figuren jeweils lediglich ein Gerüststiel 7 dargestellt, in dessen jeweiligen Einhakbereich 8 jeweils einer der Köpfe 5 des jeweiligen Horizontalriegels 2 eingehakt ist. Bei der Verwendung des Horizontalriegels 2 zur Aussteifung eines Gerüstes ist der jeweils frei dargestellte Kopf ebenfalls in einen Einhakbereich 8 eines weiteren Gerüststiels 7 eingehakt. Der Horizontalriegel 2 eignet sich derart zum horizontalen Verbinden von zwei Gerüststielen 7 des Gerüstes 1. Beide Gerüststiele 7 weisen dabei Einhakbereiche 8 auf und jeweils einer der Köpfe 5 des Horizontalriegels 2 ist in einen der Einhakbereiche 8 eingehakt, derart, dass die Gerüststiele 7 mittels des Horizontalriegels 2 horizontal miteinander verbunden sind.For better recognition of the shape of the heads 5, only one scaffolding post 7 is shown in the figures, in each case one of the heads 5 of the respective horizontal bar 2 is hooked into its respective hooking area 8 . When using the horizontal ledger 2 to stiffen a scaffolding, the head shown free is also hooked into a hooking area 8 of a further scaffolding post 7 . The horizontal bar 2 is suitable for the horizontal connection of two scaffolding standards 7 of the scaffolding 1. Both scaffolding standards 7 have hooking areas 8 and one of the heads 5 of the horizontal bar 2 is hooked into one of the hooking areas 8 in such a way that the scaffolding standards 7 are connected by means of the Horizontal bar 2 are connected to each other horizontally.

Das Mittelteil 4 des Horizontalriegels 2 erstreckt sich in Richtung der Längsachse L des Horizontalriegels 2. Die beiden Köpfe 5 des Horizontalriegels 2 sind jeweils einem axialen Ende des Mittelteils 4 ausgebildet. Die Köpfe 5 sind derart ausgeformt, dass sie sich zum Verhaken in einen Einhakbereich 8 jeweils eines der Gerüststiele 7 eignen. Im Bereich der Köpfe 5 ist jeweils ein Keil 11 zum Sichern der Köpfe 5 in jeweils einem der Einhakbereiche 8 angeordnet. Die Keile 11 sind durch Öffnungen 12 in einer Stirnseite 14 des Horizontalriegels 2 geführt. Die Öffnungen 12 bilden also Durchgangsöffnungen für die Keile 11 aus. Die Einhakbereiche 8 sind von an den Gerüststielen 7 befestigten Rosetten 16 mit Einhaköffnungen 17 ausgebildet. Die Köpfe 5 sind in ihrem Montagezustand an einem Gerüststiel jeweils mittels eines Keils 11 in den Einhakbereichen 8, d.h. in jeweils einer der Einhaköffnungen 17, lagegesichert. Jede der ringartig um den zugehörigen Gerüststiel 7 angeordneten Rosetten 16 weist mehrere, hier vier, Öffnungen auf, die jeweils eine Einhaköffnung 17 für einen Kopf 5 eines Horizontalriegels 2 ausbilden.The middle part 4 of the horizontal bar 2 extends in the direction of the longitudinal axis L of the horizontal bar 2. The two heads 5 of the horizontal bar 2 are each formed at an axial end of the middle part 4. The heads 5 are shaped in such a way that they are suitable for hooking into a hooking area 8 of one of the scaffolding posts 7 in each case. In the area of the heads 5, a wedge 11 is arranged to secure the heads 5 in one of the hooking areas 8 in each case. The wedges 11 are guided through openings 12 in an end face 14 of the horizontal bar 2 . The openings 12 thus form passage openings for the wedges 11 . The hooking areas 8 are formed by rosettes 16 fastened to the scaffolding posts 7 with hooking openings 17 . The heads 5 are secured in their mounted state on a scaffolding post in each case by means of a wedge 11 in the hooking areas 8, ie in one of the hooking openings 17 in each case. Each of the rosettes 16 arranged in a ring around the associated scaffold post 7 has several, here four, Openings, each forming a hooking opening 17 for a head 5 of a horizontal bar 2.

Bei den Horizontalriegeln 2 der Figuren 1a bis 1b sind das Mittelteil 4 und beide Köpfe 5 gemeinsam aus einem Biegeblechteil einstückig hergestellt. Das Biegeblechteil weist eine den Abstand der zu verbindenden Gerüststiele 7 festlegende im Wesentlichen rechteckige Rückenfläche 14 auf. An den Längskanten der Rückenfläche 14 ist jeweils eine Seitenfläche 20 vorgesehen. Diese Seitenflächen 20 weisen an ihren Endbereichen Fortsätze 21 zum Ausbilden der Köpfe auf. In der Darstellung der Figuren 1a bis 1c ist jeweils nur eine der Seitenflächen 20 erkennbar, da die zweite Seitenfläche in der perspektivischen Darstellung verdeckt ist.With the horizontal ledgers 2 of the Figures 1a to 1b the middle part 4 and both heads 5 are made together in one piece from a bent sheet metal part. The bent sheet metal part has an essentially rectangular back surface 14 that defines the distance between the scaffolding posts 7 to be connected. A side surface 20 is provided on each of the longitudinal edges of the back surface 14 . These side faces 20 have extensions 21 at their end regions for forming the heads. In the representation of Figures 1a to 1c only one of the side surfaces 20 can be seen in each case, since the second side surface is covered in the perspective view.

Das Biegeblechteil weist jeweils zwei Teilflächen 23 zum Ausbilden von jeweils einer Konterfläche für die Keile 11 auf. Auch von den Teilflächen 23 ist aufgrund der perspektivischen Darstellung jeweils nur eine in den Figuren erkennbar.The bent sheet metal part has two partial surfaces 23 each for forming a counter surface for the wedges 11 . Due to the perspective representation, only one of the partial surfaces 23 can be seen in the figures.

In Figur 1a sind die Teilflächen 23 an jeweils einer der Kanten der Seitenflächen 20 angeformt. Aneinanderstoßende Randbereiche des Biegeblechteils können miteinander verschweißt sein.In Figure 1a the partial surfaces 23 are formed on one of the edges of the side surfaces 20 in each case. Abutting edge regions of the bent sheet metal part can be welded to one another.

In der Ausführungsform des erfindungsgemäßen Horizontalriegels 2 der Figur 1b sind die die Konterflächen ausbildenden Teilflächen 23 an jeweils einer die Schmalseiten der Rückenfläche 14 des Mittelteils 4 ausbildenden Kanten des Mittelteils 4 angeformt.In the embodiment of the horizontal bar 2 of the invention Figure 1b the partial surfaces 23 forming the counter surfaces are formed on one edge of the central part 4 forming the narrow sides of the rear surface 14 of the central part 4 .

Bei dem Horizontalriegel 2 der Figur 1c sind beide Köpfe 5 als ein Tiefziehteil ausgebildet. Das Mittelteil 4 ist als ein Rohrhohlprofil mit einem rechteckigen Querschnitt ausgeformt. Die die Köpfe 5 ausbildenden Tiefziehteile weisen jeweils einen Anliegebereich 30 zum Anliegen an jeweils einen der Gerüststiele 7 und jeweils einen Konterflächenbereich 31 zum Ausbilden von jeweils einer Konterfläche für die Keile 11 auf. Die Köpfe 5 sind jeweils an einem der Enden des Mittelteils 4 mit dem Mittelteil 4 über eine Schweißnaht 34 verschweißt.When the horizontal bar 2 of Figure 1c both heads 5 are designed as a deep-drawn part. The middle part 4 is shaped as a tubular hollow profile with a rectangular cross section. The deep-drawn parts forming the heads 5 each have a contact area 30 for contacting one of the scaffolding posts 7 and a counter-surface area 31 for forming a counter-surface for the wedges 11 . The heads 5 are each welded to the middle part 4 at one of the ends of the middle part 4 via a weld seam 34 .

Die Figuren 2a bis 2c zeigen jeweils einen Längsschnitt durch die in den Figuren 1a bis 1c dargestellten Gerüstbereiche 1. Die Schnittebene verläuft jeweils entlang der Längsachse L und in einer Einhakrichtung der Köpfe 5, d.h. parallel zu den Gerüststielen 7, in deren Rosetten 16 jeweils einer der Köpfe 5 eingehakt ist. Die durch Durchgangsöffnungen 12 in den oberen Rückenflächen 14 der Mittelteile 4 der Horizontalriegel 2 geführten Keile 11 verlaufen in der Schnittebene. Die Keile 11 verkeilen jeweils eine der Konterflächen 35 der Köpfe 2 mit einem Konterbereich 36 der Rosetten 16.the Figures 2a to 2c each show a longitudinal section through the Figures 1a to 1c scaffolding areas 1 shown. The sectional plane runs along the longitudinal axis L and in a hooking direction of the heads 5, ie parallel to the scaffolding posts 7, in the rosettes 16 of which one of the heads 5 is hooked. The wedges 11 guided through through-openings 12 in the upper back surfaces 14 of the central parts 4 of the horizontal bars 2 run in the cutting plane. The wedges 11 each wedge one of the counter surfaces 35 of the heads 2 with a counter area 36 of the rosettes 16.

Die Figuren 3a und 3b zeigen jeweils Abwicklungen der Biegeblechteile 40 aus denen die erfindungsgemäßen Horizontalriegel der Figuren 1a und 1b hergestellt sind. Diese Abwicklungen stellen die Schnittform der Bleche, d. h. die Blechzuschnitte, dar, welche durch Biegen in Form der erfindungsgemäßen Horizontalriegel, wie z. B. in den Figuren 1a und 1b dargestellt, gebracht werden.the Figures 3a and 3b each show developments of the bent sheet metal parts 40 from which the horizontal bars of the invention Figures 1a and 1b are made. These developments represent the sectional shape of the sheets, ie the sheet metal blanks, which are formed by bending in the form of horizontal bars according to the invention, such. Tie Figures 1a and 1b presented, brought.

Die Abwicklung gemäß Figur 3a stellt die Schnittform des Horizontalriegels gemäß Figur 1a dar und die Abwicklung gemäß Figur 3b stellt die Schnittform des Horizontalriegels gemäß Figur 1b dar. Die Abwicklungen weisen die den Abstand der zu verbindenden Gerüststiele festlegende im Wesentlichen rechteckige Rückenfläche 14 auf, wobei an den beiden Längskanten der Rückenfläche 14 jeweils eine Seitenfläche 20 angeformt ist, und die Seitenflächen 20 an ihren Endbereichen Fortsätze 21 zum Ausbilden der Köpfe aufweisen.The processing according to Figure 3a represents the sectional shape of the horizontal ledger Figure 1a and the processing according to Figure 3b represents the sectional shape of the horizontal ledger Figure 1b The developments have the essentially rectangular back surface 14 that defines the distance between the scaffolding posts to be connected, with a side surface 20 being formed on each of the two longitudinal edges of the back surface 14, and the side surfaces 20 having extensions 21 at their end regions for forming the heads.

Die Abwicklungen weisen jeweils zwei Teilflächen 23 zum Ausbilden von jeweils einer Konterfläche für die Keile auf. In der Ausführungsform für den erfindungsgemäßen Horizontalriegel der Figur 1b sind die die Konterflächen ausbildenden Teilflächen 23 an jeweils einer die Schmalseiten der Rückenfläche 14 des Mittelteils ausbildenden Kanten des Mittelteils angeformt. In der Ausführungsform für den erfindungsgemäßen Horizontalriegel der Figur 1a sind die Teilflächen 23 an jeweils einer der Kanten der Seitenflächen 20 angeformt. Weiter sind die Durchgangsöffnungen 12 für die Keile in den Rückenflächen 14 zu erkennen.The developments each have two partial surfaces 23 for forming a respective counter surface for the wedges. In the embodiment of the horizontal bar according to the invention Figure 1b the partial surfaces 23 forming the counter surfaces are formed on one edge of the central part forming the narrow sides of the rear surface 14 of the central part. In the embodiment of the horizontal bar according to the invention Figure 1a the partial surfaces 23 are formed on one of the edges of the side surfaces 20 in each case. The passage openings 12 for the wedges in the back surfaces 14 can also be seen.

Claims (13)

  1. Horizontal bar (2) for horizontally connecting two scaffold posts (7) of a scaffold (1), comprising a center part (4) extending in the direction of the longitudinal axis L of the horizontal bar (2) and two heads (5) formed on each end of the center part (4), the heads (5) being provided to each interlock with an interlocking region (8) of one of the scaffold posts (7),
    characterized in that
    at least one of the heads (5) is formed as a deep-drawn part and the center part (4) and at least one of the heads (5) are produced together in one piece from a bent sheet metal piece (40).
  2. Horizontal bar according to claim 1, characterized in that in the region of each head (5) a wedge (11) is arranged in order to secure the heads (5) in respective ones of the interlocking regions (8).
  3. Horizontal bar according to claim 1 or 2, characterized in that adjoining edge regions of the bent sheet metal piece (40) are welded to one another.
  4. Horizontal bar according to any of claims 1 to 3, characterized in that both heads (5) are formed as a deep-drawn part.
  5. Horizontal bar according to claim 4, characterized in that the center part (4) is formed as a tubular hollow profile, in particular having a rectangular or square cross section.
  6. Horizontal bar according to claim 4 when referring back to claim 2, characterized in that the deep-drawn parts each comprise an abutment region (30) for abutting on a respective one of the scaffold posts (7), and a counter surface region (31) for forming a respective one of a counter surface (35) for the wedges (11).
  7. Horizontal bar according to any of claims 1 to 3, characterized in that the center part (4) and both heads (5) are produced together in one piece from a bent sheet metal piece (40).
  8. Horizontal bar according to claim 7, characterized in that the bent sheet metal piece (40) has a substantially rectangular rear face (14) that defines the distance between the scaffold posts (7) to be connected, a side face (20) being provided on each longitudinal edge of the rear face (14), and the side faces (20) comprise, on the end regions thereof, projections (21) for forming the heads (5).
  9. Horizontal bar according to claim 7 or 8, when referring back to claim 2, characterized in that the bent sheet metal piece (40) comprises two sub-faces (23) for forming respective counter surfaces (35) for the wedges (11).
  10. Horizontal bar according to claim 9, characterized in that the sub-faces (23) are integrally formed on respective edges of the center part (4), said edges forming the short sides of the rear face (14) of the center part (4), or that the sub-faces (23) are integrally formed on at least one of the edges of the side faces (20).
  11. Scaffold (1) comprising two scaffold posts (7) and a horizontal bar (2) according to any of claims 1 to 10, wherein the scaffold posts (7) comprise interlocking regions (8), and each head (5) of the horizontal bar (2) is interlocked with one of the interlocking regions (8) such that the scaffold posts (7) by means of the horizontal bar (2) are horizontally interconnected.
  12. Scaffold according to claim 11, characterized in that the interlocking regions (8) formed by rosettes (16) that are fastened to the scaffold posts (7) have interlocking openings (17).
  13. Scaffold according to claim 11 or 12, characterized in that the horizontal bar (2) is designed according to claim 2, wherein the heads (5) by means of the wedges (11) are secured in place in the interlocking regions (8).
EP18793188.6A 2017-10-16 2018-10-16 Horizontal bar Active EP3697980B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017218472.8A DE102017218472A1 (en) 2017-10-16 2017-10-16 Horizontal bars
PCT/EP2018/078166 WO2019076854A1 (en) 2017-10-16 2018-10-16 Horizontal bar

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EP3697980A1 EP3697980A1 (en) 2020-08-26
EP3697980B1 true EP3697980B1 (en) 2022-05-04

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EP18793188.6A Active EP3697980B1 (en) 2017-10-16 2018-10-16 Horizontal bar

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EP (1) EP3697980B1 (en)
CN (1) CN111344466B (en)
DE (1) DE102017218472A1 (en)
ES (1) ES2924334T3 (en)
PL (1) PL3697980T3 (en)
WO (1) WO2019076854A1 (en)
ZA (1) ZA202002514B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019116119A1 (en) * 2019-06-13 2020-12-17 Peri Gmbh SCAFFOLDING KNOTS, SCAFFOLDING ROSETS, SCAFFOLDING HANDLES AND SCAFFOLDING LATCHES AND MANUFACTURING PROCESS FOR A SCAFFOLDING ROSETTE
DE102020133116A1 (en) * 2020-12-11 2022-06-15 Peri Se Method and device for welding a first component to a second component and horizontal bar
DE102022107159A1 (en) 2022-03-25 2023-09-28 Peri Se Vertical support for a scaffold, scaffold and method for producing a vertical support

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Publication number Publication date
ES2924334T3 (en) 2022-10-06
CN111344466A (en) 2020-06-26
DE102017218472A1 (en) 2019-04-18
PL3697980T3 (en) 2022-09-26
ZA202002514B (en) 2022-10-26
CN111344466B (en) 2023-01-06
WO2019076854A1 (en) 2019-04-25
EP3697980A1 (en) 2020-08-26

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