EP1659222B1 - Noise reduction element, noise reduction barrier and method for producing the noise reduction element - Google Patents

Noise reduction element, noise reduction barrier and method for producing the noise reduction element Download PDF

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Publication number
EP1659222B1
EP1659222B1 EP04027307A EP04027307A EP1659222B1 EP 1659222 B1 EP1659222 B1 EP 1659222B1 EP 04027307 A EP04027307 A EP 04027307A EP 04027307 A EP04027307 A EP 04027307A EP 1659222 B1 EP1659222 B1 EP 1659222B1
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EP
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Prior art keywords
soundproofing
flange
soundproofing element
basic profile
profile
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EP04027307A
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German (de)
French (fr)
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EP1659222A1 (en
Inventor
Gerd Heltriegel
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Sehnix GmbH
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Individual
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Priority to PL04027307T priority Critical patent/PL1659222T3/en
Priority to EP04027307A priority patent/EP1659222B1/en
Priority to ES04027307T priority patent/ES2282784T3/en
Priority to DE502004003073T priority patent/DE502004003073D1/en
Priority to AT04027307T priority patent/ATE355414T1/en
Publication of EP1659222A1 publication Critical patent/EP1659222A1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0064—Perforated plate or mesh, e.g. as wall facing
    • E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material

Definitions

  • the present invention relates to a soundproofing element comprising a front and a back, side parts and a top flange and a bottom flange, wherein the upper and / or lower flange with the front and / or back of the soundproofing element is firmly connected to each other via at least one connection or are, as well as a manufacturable with the soundproofing elements soundproofing wall and a method for producing the soundproofing element.
  • Acoustic screens which are constructed of horizontally or vertically composite generic soundproofing elements are well known in the art, in particular to shield residential and resting areas of people against noise sources, such as rail lines or busy roads.
  • Such soundproofing elements are usually made of aluminum and have in their interior suitable insulating materials in order to best absorb the noise emitted by the noise source.
  • EP 0 949 382 A2 describes a generic soundproofing element and a soundproof wall, which is constructed of side walled and / or stacked wall elements fixed between posts.
  • the wall element has two oppositely spaced, parallel wall plates and two profile strips, via which the two wall plates are connected to each other along two mutually opposite plate edges.
  • elastic springs are formed, which are engaged in each one formed by the profile strip, undercut longitudinal groove.
  • DE 91 06 804.5 describes a noise protection element for the formation of noise barriers, profile rails are bent so that after a tongue and groove system a juxtaposition of noise protection elements is possible.
  • the present invention has for its object that generic soundproofing element further develop such that the disadvantages of the prior art are overcome, in particular a permanently stable soundproofing element can be produced in a simple and cost-effective manner, which can be used for the construction of soundproof walls.
  • a further object of the invention was to provide a method for producing such soundproofing elements.
  • the first object is achieved in that the upper and / or lower flange has a base profile and projecting from the base profile in the direction of the base profile umbiegbaren bridge, wherein at least one bent end portion of the front and / or back of the soundproofing element between the Base profile and the bent bridge of the upper and / or lower belt is clamped.
  • the front, the back, the side parts and / or the upper and / or lower flange is made of aluminum or are.
  • the front and / or back has or have a trapezoidal profile, preferably with a depth of 5 to 30 mm, particularly preferably 20 mm.
  • the front of the soundproofing element comprises a perforated plate, wherein the individual holes have a diameter of 2-12 mm, preferably 5 mm.
  • the thickness of the front and back, the side parts and the upper and / or lower belt 0.5 to 2 mm, preferably 1 mm.
  • the upper and lower chord each having an extruded profile, so that a plurality of sound insulation elements can be arranged positively to one another after a tongue and groove system.
  • front and rear insulating elements such as insulation boards made of mineral fiber insulation, Holzspanzementplatten or the like, are arranged.
  • the invention is also a soundproof wall, which is constructed of soundproofing elements according to the invention.
  • the soundproofing elements can be arranged horizontally or vertically.
  • the present invention is based on the surprising finding that soundproofing elements can be produced in a simple and cost-effective manner by the upper and / or lower chords of such an element with the corresponding front and back sides can be positively and firmly connected when a connection between the straps and the front and / or back as described in the present application.
  • This connection can be achieved simply by a bent end portion of the front and / or back between a web of the upper and / or lower chord and the base profile of the upper and / or lower chord is used so that the web only on the end portion must be bent to firmly clamp the end portion between the bent web and base profile.
  • the attachment of rivets or any other fasteners is no longer required, but rather the soundproofing element according to the invention shows a positive and non-detachable stable connection between the straps and the front and / or back.
  • the soundproofing elements according to the invention show a high fatigue strength even at high frequency dynamic load, for example when an ICE train at 300 km / h. to noise barriers, which are constructed from the soundproofing elements according to the invention, passes over. It should also be noted that no aging fasteners, such as rivets, are required and also no shearing can take place.
  • the soundproofing elements according to the invention can be produced easily and cost-effectively, which leads to a large increase in productivity in the assembly process of the soundproofing elements. Furthermore, the mounting device and the folding machine, which are necessary for carrying out the method according to the invention, with little effort and inexpensive to produce.
  • FIGS. 1-5 show detail-wise generic soundproofing elements 1a-1e, which are known from the prior art, wherein FIG. 1 shows a detail of a soundproofing element 1a, in the end sections 2a, 3a of a front and a back side 4a, 5a bent by about 90 ° and are also profiled to provide an overlapping manner a groove portion 6a for superimposing several soundproofing elements.
  • a groove portion 6a is easily detachable and provides unsatisfactory stability for this range.
  • bent-over end sections can also be connected by rivets 7b or other connecting elements.
  • FIG. 3 shows a detail of a generic soundproofing element 1c, in which a separate upper flange 8c with a corresponding profile can be fastened via rivets 7c to a front side 4c or a rear side 5c.
  • Figures 4 and 5 show a detail of other generic sound insulation elements 1d, 1e, in which a separate upper flange 8d, 8e with corresponding profile either via rivets 7d on the front and the back 4d, 5d is attached, or via corresponding retaining profiles 9e between a front and a Back 4e, 5e is inserted.
  • the installation of the noise protection elements la-le shown in the figures 1 to 5, known from the prior art is time-consuming and costly and often leads to an unsatisfactory stability of the soundproofing element.
  • fasteners such as e.g. Rivets, used, the old can and after an aging process ensure that the soundproofing element can not be used and must be replaced.
  • FIG. 6 shows a soundproof wall 10, which is constructed from generic soundproofing elements 1f.
  • the soundproof wall 1f is mounted on a concrete base 11 and comprises by way of example two soundproofing elements 1f, which are arranged one above the other.
  • the soundproofing elements 1f shown in FIG. 6 include trapezoidal front and rear sides 4f, 5f each connected to a top flange 8f and a bottom flange 12f via rivet joints (not shown).
  • the top chord 8f and the bottom chord 12f have such a profile that the profile of the top chord 8f can be inserted into the profile of the bottom chord 12f substantially in a form-fitting manner so as to enable an arrangement on one another.
  • insulation materials are arranged, namely on the one hand a plate 13 of mineral fiber insulation as well as a wood pulp board 14.
  • the insulating materials can be of any kind.
  • FIG. 7 shows a top flange 20 which can be used in a soundproofing element according to the invention.
  • the upper flange 20 in its base profile 21 corresponds to a top flange, as shown for example in FIG.
  • the upper flange 20 has respective webs 22 which extend away from the profile of the upper belt 20 at a suitable angle.
  • FIG. 8 shows a lower flange 30 which can be used in a soundproofing element according to the invention.
  • the lower chord 30 has substantially a similar base profile 31 as the lower chord shown in FIG. However, webs 32 also extend away from the lower flange 30 at a suitable angle.
  • FIG. 9 shows a detail of how two soundproofing elements 40, 50 according to the invention can be placed on top of each other.
  • a lower soundproofing element 40 in this case comprises a top flange 20 with a corresponding base profile 21 and webs 22.
  • the lower soundproofing element 40 also has a front 41 and a back 42, the bent end portions 43, 44 are bent so that they are between the base profile 21 and the Web 22 are arranged and tight against the base profile 21 of the upper belt 20.
  • the upper soundproofing element 50 has a lower flange 30 and furthermore a front side 51 and a rear side 52, whose bent end sections 53, 54 are arranged between the base profile 31 of the lower belt 30 and the webs 32.
  • a firm and stable connection of the front sides 41, 51 and rear sides 42, 52 with the upper flange 20 and lower flange 30 is now possible in a simple manner so that the webs 22, 32 only on the bent end portions 43, 44 and 53rd , 54 must be bent to provide a positive and non-releasable connection between the straps and the front and back sides. Such bending is done in a simple manner.
  • Figure 10 shows how finally a clamping connection between bent end portions 43, 44, and 53, 54 of the front and / or rear sides 41, 42 and 42, 52 is achieved, in which the webs 22 and 32 so in the direction the respective base profile 21 or 31 of the upper or Untergurts 20, 30 are bent, that the bent end portions 43, 44 and 53, 54 between the webs 22, 32 and the base profiles 21, 31 are firmly clamped.
  • FIG. 11 shows an alternative clamping connection in which a web is terminally arranged on a base profile 61, which can be bent or already bent in the direction of the base profile 61.
  • a bent end portion 63 of a front side 71 and a bent end portion 64 of a back 72 can be clamped between the base profile 61 and the bent web 62.
  • a fold-like bond is obtained, which can also be structurally simple, but extremely stable.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Exhaust Silencers (AREA)
  • Compressor (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Noise Elimination (AREA)

Abstract

The noise control element has upper and lower bands (20,30), a base profile (21) and a bendable bar (22) is present in the direction of the base profile. A bent end section (43,53,44,54) is provided at the front and back end (41,51,42,52) of the noise control element between the base profile and bent bar. An independent claim is also included for the method for manufacture of noise control element.

Description

Die vorliegende Erfindung betrifft ein Schallschutzelement, welches eine Vorder- und eine Rückseite, Seitenteile und einen Obergurt und einen Untergurt umfaßt, wobei der Ober- und/oder Untergurt mit der Vorder- und/oder Rückseite des Schallschutzelements über zumindest eine Verbindung fest miteinander verbunden ist bzw. sind, sowie eine mit den Schallschutzelementen herstellbare Schallschutzwand und ein Verfahren zum Herstellen des Schallschutzelements.The present invention relates to a soundproofing element comprising a front and a back, side parts and a top flange and a bottom flange, wherein the upper and / or lower flange with the front and / or back of the soundproofing element is firmly connected to each other via at least one connection or are, as well as a manufacturable with the soundproofing elements soundproofing wall and a method for producing the soundproofing element.

Schallschutzwände, die aus horizontal oder vertikal zusammengesetzten gattungsgemäßen Schallschutzelementen aufgebaut sind, sind aus dem Stand der Technik zahlreich bekannt, um insbesondere Wohn- und Ruhebereiche von Menschen gegenüber Lärmquellen, wie Bahnstrecken oder stark befahrenen Straßen abzuschirmen. Solche Schallschutzelemente sind in der Regel aus Aluminium gefertigt und weisen in ihrem Inneren geeignete Dämmaterialien auf, um den von der Lärmquelle ausgehenden Lärm bestmöglich zu absorbieren.Acoustic screens, which are constructed of horizontally or vertically composite generic soundproofing elements are well known in the art, in particular to shield residential and resting areas of people against noise sources, such as rail lines or busy roads. Such soundproofing elements are usually made of aluminum and have in their interior suitable insulating materials in order to best absorb the noise emitted by the noise source.

Der Zusammenbau gattungsgemäßer Schallschutzelemente ist verhältnismäßig aufwendig, da die Vorder- und Rückseite, zwischen denen entsprechende Dämmaterialien angeordnet sind, sowohl mit einem Ober- als auch einem Untergurt so verbunden werden müssen, daß eine formschlüssige Verbindung erhalten wird, die auch unter starken Belastungen für einen langen Zeitraum stabil ist. Ferner sollen die zur Verbindung eingesetzten Elemente, wie z.B. Nieten, nicht altem.The assembly of generic sound insulation elements is relatively expensive, since the front and back, between which appropriate Dämmaterialien are arranged, both with an upper and a lower flange must be connected so that a positive connection is obtained, even under heavy loads for a long period is stable. Furthermore, the elements used for the compound, such as e.g. Rivets, not old.

Aus dem Stand der Technik ist zur Bildung der Ober- und Untergurte zum einen bekannt, daß Endabschnitte der Vorder- und/oder Rückseite um etwa 90° umgebogen werden, um dann übereinanderliegend die Ober- und Untergurte darzustellen, und ein entsprechendes Profil aufweisen, um nach einem Nut-Feder-System ein Aufeinanderstellen entsprechender Schallschutzelemente zu ermöglichen. Das ledigliche Umbiegen von Endabschnitten liefert jedoch eine leicht wieder lösbare Verbindung und weist eine unzureichende Stabilität auf.From the prior art is to form the upper and lower straps known on the one hand that end portions of the front and / or back are bent by about 90 ° to then superimposed represent the upper and lower straps, and have a corresponding profile to to allow a succession of corresponding sound insulation elements according to a tongue and groove system. However, the mere bending of end portions provides an easily detachable connection and has insufficient stability.

Aus dem Stand der Technik ist zum anderen bekannt, daß entsprechend umgebogene Endabschnitte auch durch Nieten miteinander verbunden werden können. Zudem ist bekannt, daß separate Ober- und Untergurte mit entsprechendem Profil mittels Nieten an separaten Vorder- und Rückseiten von Schallschutzelementen befestigt werden können. Das Anbringen von Nieten ist im Montageprozeß von Schallschutzelementen jedoch zeit- und kostenintensiv.On the other hand, it is known from the prior art that correspondingly bent end sections can also be connected to one another by riveting. In addition, it is known that separate upper and lower chords can be attached with appropriate profile by means of rivets on separate front and rear sides of soundproofing elements. However, the application of rivets is time-consuming and costly in the assembly process of soundproofing elements.

Die EP 0 949 382 A2 beschreibt ein gattungsgemäßes Schallschutzelement und eine Schallschutzwand, welche aus neben- und/oder übereinander angeordneten, zwischen Pfosten festgelegten Wandelementen aufgebaut ist. Das Wandelement weist zwei gegenüberliegend im Abstand voneinander angeordnete, parallele Wandplatten und zwei Profilleisten auf, über welche die beiden Wandplatten jeweils entlang zweier einander gegenüberliegender Plattenränder miteinander verbunden sind. An den Plattenrändern sind elastische Federn ausgebildet, welche in jeweils eine von der Profilleiste gebildete, hinterschnittene Längsnut eingerastet sind.EP 0 949 382 A2 describes a generic soundproofing element and a soundproof wall, which is constructed of side walled and / or stacked wall elements fixed between posts. The wall element has two oppositely spaced, parallel wall plates and two profile strips, via which the two wall plates are connected to each other along two mutually opposite plate edges. At the plate edges elastic springs are formed, which are engaged in each one formed by the profile strip, undercut longitudinal groove.

Aus der DE 298 21 342 U1 ist eine Schallschutzwand aus zusammenfügbaren, gattungsgemäßen Schallschutzelementen bekannt, bei dem aus Lochblechen bestehende Vorder- und Rückseiten an ihren Längskanten so abgekantet sind, daß sie in hinterschnittenen Nuten von Halteprofilen eingreifen können.From DE 298 21 342 U1 a soundproof wall made of assemble, generic soundproofing elements is known in which perforated plates consisting of front and rear sides are folded at their longitudinal edges so that they can engage in undercut grooves of retaining profiles.

Die DE 296 09 237 U1 beschreibt die Herstellung solcher Schallschutzwände. Danach werden die abgekanteten Längskanten der Lochbleche zunächst in einem Halteprofil eingehängt und dann in eine zueinander parallele Lage geschwenkt. Ein weiteres Halteprofil, das die Lochbleche an dem, dem ersten Halteprofil gegenüberliegenden Ende verbinden soll, kann dann zwischen diese Lochbleche bzw. die Abkantungen eingeschoben werden, so daß die Schallschutzwand verschlossen wird. Durch Herausschieben der Halteprofile kann die Verbindung der einzelnen Bauteile auf einfache Weise wieder gelöst werden, was bei einer montierten Lärmschutzwand zu einer unzureichenden Stabilität führt.DE 296 09 237 U1 describes the production of such soundproof walls. Thereafter, the folded longitudinal edges of the perforated plates are first hung in a holding profile and then pivoted in a mutually parallel position. Another retaining profile, which is to connect the perforated plates at the, the first holding profile opposite end, can then be inserted between these perforated plates or the folds, so that the soundproof wall is closed. By pushing out the retaining profiles, the connection of the individual components can be easily solved again, which leads to insufficient stability in a mounted noise protection wall.

Schließlich beschreibt die DE 91 06 804.5 ein Lärmschutzelement zur Bildung von Lärmschutzwänden, wobei Profilschienen so umgebogen sind, daß nach einem Nut-Feder-System ein Aufeinanderstellen von Lärmschutzelementen möglich ist.Finally, DE 91 06 804.5 describes a noise protection element for the formation of noise barriers, profile rails are bent so that after a tongue and groove system a juxtaposition of noise protection elements is possible.

Der vorliegenden Erfindung lag die Aufgabe zugrunde, daß gattungsgemäße Schallschutzelement derart weiterzuentwickeln, daß die Nachteile des Standes der Technik überwunden werden, insbesondere ein dauerhaft stabiles Schallschutzelement auf einfache und kostengünstige Art und Weise hergestellt werden kann, das zum Aufbau von Schallschutzwänden verwendet werden kann.The present invention has for its object that generic soundproofing element further develop such that the disadvantages of the prior art are overcome, in particular a permanently stable soundproofing element can be produced in a simple and cost-effective manner, which can be used for the construction of soundproof walls.

Ferner lag eine weitere Aufgabe der Erfindung darin, ein Verfahren zum Herstellen solcher Schallschutzelemente bereitzustellen.A further object of the invention was to provide a method for producing such soundproofing elements.

Die erste Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Ober- und/oder Untergurt ein Basisprofil und einen von dem Basisprofil abstehenden, in Richtung auf das Basisprofil umbiegbaren Steg aufweist, wobei zumindest ein umgebogener Endabschnitt der Vorder- und/oder Rückseite des Schallschutzelements zwischen dem Basisprofil und dem umgebogenen Steg des Ober- und/oder Untergurts eingeklemmt ist.The first object is achieved in that the upper and / or lower flange has a base profile and projecting from the base profile in the direction of the base profile umbiegbaren bridge, wherein at least one bent end portion of the front and / or back of the soundproofing element between the Base profile and the bent bridge of the upper and / or lower belt is clamped.

Es ist bevorzugt vorgesehen, daß die Vorderseite, die Rückseite, die Seitenteile und/oder der Ober- und/oder Untergurt aus Aluminium hergestellt ist bzw. sind.It is preferably provided that the front, the back, the side parts and / or the upper and / or lower flange is made of aluminum or are.

Weiterhin ist vorgesehen, daß die Vorder- und/oder Rückseite ein trapezförmiges Profil, bevorzugt mit einer Tiefe von 5 bis 30 mm, besonders bevorzugt 20 mm, aufweist bzw. aufweisen.It is further provided that the front and / or back has or have a trapezoidal profile, preferably with a depth of 5 to 30 mm, particularly preferably 20 mm.

Es ist besonders bevorzugt, daß die Vorderseite des Schallschutzelements ein Lochblech umfaßt, wobei die einzelnen Löcher einen Durchmesser von 2-12 mm, bevorzugt 5 mm, aufweisen.It is particularly preferred that the front of the soundproofing element comprises a perforated plate, wherein the individual holes have a diameter of 2-12 mm, preferably 5 mm.

Es ist erfindungsgemäß vorgesehen, daß die Dicke der Vorder- und Rückseite, der Seitenteile und des Ober- und/oder Untergurts 0,5 bis 2 mm, bevorzugt 1 mm beträgt.It is inventively provided that the thickness of the front and back, the side parts and the upper and / or lower belt 0.5 to 2 mm, preferably 1 mm.

Weiterhin ist vorgesehen, daß der Ober- und Untergurt jeweils ein Strangpreßprofil aufweisen, so daß nach einem Nut-Feder-System mehrere Schallschutzelemente formschlüssig aufeinander anordbar sind.Furthermore, it is provided that the upper and lower chord each having an extruded profile, so that a plurality of sound insulation elements can be arranged positively to one another after a tongue and groove system.

In einer weiteren Ausführungsform ist vorgesehen, daß zwischen der Vorder- und Rückseite Dämmelemente, wie Dämmplatten aus mineralischem Faserdämmstoff, Holzspanzementplatten oder dergleichen, angeordnet sind.In a further embodiment it is provided that between the front and rear insulating elements, such as insulation boards made of mineral fiber insulation, Holzspanzementplatten or the like, are arranged.

Erfindungsgemäß ist auch eine Schallschutzwand, die aus erfindungsgemäßen Schallschutzelementen aufgebaut ist. Dabei können die Schallschutzelemente horizontal oder vertikal angeordnet sein.According to the invention is also a soundproof wall, which is constructed of soundproofing elements according to the invention. In this case, the soundproofing elements can be arranged horizontally or vertically.

Die zweite Aufgabe der Erfindung wird durch ein Verfahren zum Herstellen eines Schallschutzelements, welches eine Vorder- und eine Rückseite, Seitenteile und einen Obergurt und einen Untergurt umfasst, gelöst, wobei der Ober- und/oder Untergurt mit der Vorder- und/oder Rückseite des Schallschutzelements über zumindest eine Verbindung fest miteinander verbunden wird bzw. werden, wobei das Verfahren die Schritte umfasst:

  1. i) Bereitstellen von Ober- und/oder Untergurten aus Strangpreßprofilen, die ein Basisprofil und einen von dem Basisprofil abstehenden, in Richtung auf das Basisprofil umbiegbaren Steg aufweisen;
  2. ii) Einfügen zumindest eines umgebogenen Endabschnitts einer Vorder- und/oder Rückseite des Schallschutzelements zwischen dem Steg und dem Basisprofil des Ober- und/oder Untergurtes; und
  3. iii) Umbiegen des Stegs in Richtung auf das Basisprofil, um den Endabschnitt zwischen dem Basisprofil und dem Steg einzuklemmen.
The second object of the invention is achieved by a method for producing a soundproofing element, which comprises a front and a back, side parts and a top flange and a bottom flange, wherein the top and / or bottom flange with the front and / or back of the Noise protection element is or are firmly connected to one another via at least one connection, the method comprising the steps:
  1. i) Provision of upper and / or lower chords of extruded profiles, which have a base profile and a projecting from the base profile, in the direction of the base profile bendable bridge;
  2. ii) inserting at least one bent end portion of a front and / or rear side of the soundproofing element between the web and the base profile of the upper and / or lower flange; and
  3. iii) bending the web toward the base profile to clamp the end portion between the base profile and the web.

Der vorliegenden Erfindung liegt die überraschende Erkenntnis zugrunde, daß Schallschutzelemente auf einfache und kostengünstige Art und Weise hergestellt werden können, indem die Ober- und/oder Untergurte eines solchen Elements mit den entsprechenden Vorder- und Rückseiten formschlüssig und fest verbunden werden können, wenn eine Verbindung zwischen den Gurten und der Vorder- und/oder Rückseite verwendet wird, wie sie in vorliegender Anmeldung beschrieben wird. Diese Verbindung kann einfach dadurch erreicht werden, indem ein umgebogener Endabschnitt der Vorder- und/oder Rückseite zwischen einem Steg des Ober- und/oder Untergurts und dem Basisprofil des Ober- und/oder Untergurtes so eingesetzt wird, daß der Steg lediglich auf den Endabschnitt umgebogen werden muß, um den Endabschnitt zwischen umgebogenem Steg und Basisprofil fest einzuklemmen. Das Anbringen von Nieten oder irgendwelchen anderen Befestigungselementen ist nicht mehr erforderlich, vielmehr zeigt das erfindungsgemäße Schallschutzelement eine formschlüssige und nicht lösbare stabile Verbindung zwischen den Gurten und der Vorder- und/oder Rückseite. Die erfindungsgemäßen Schallschutzelemente zeigen eine hohe Dauerfestigkeit auch bei hoch frequenter dynamischer Belastung, beispielsweise wenn ein ICE-Zug mit 300 km/Std. an Schallschutzwänden, die aus den erfindungsgemäßen Schallschutzelementen aufgebaut sind, vorbei fährt. Ferner ist zu bemerken, daß keine alternden Verbindungselemente, wie z.B. Nieten, erforderlich sind und zudem keine Abscherung stattfinden kann. Die erfindungsgemäßen Schallschutzelemente können einfach und kostensparend hergestellt werden, was zu einer großen Produktivitätssteigerung im Montageprozeß der Schallschutzelemente führt. Ferner sind die Montageeinrichtung und der Falzautomat, die zum Durchführen des erfindungsgemäßen Verfahrens erforderlich sind, mit wenig Aufwand und kostengünstig herstellbar.The present invention is based on the surprising finding that soundproofing elements can be produced in a simple and cost-effective manner by the upper and / or lower chords of such an element with the corresponding front and back sides can be positively and firmly connected when a connection between the straps and the front and / or back as described in the present application. This connection can be achieved simply by a bent end portion of the front and / or back between a web of the upper and / or lower chord and the base profile of the upper and / or lower chord is used so that the web only on the end portion must be bent to firmly clamp the end portion between the bent web and base profile. The attachment of rivets or any other fasteners is no longer required, but rather the soundproofing element according to the invention shows a positive and non-detachable stable connection between the straps and the front and / or back. The soundproofing elements according to the invention show a high fatigue strength even at high frequency dynamic load, for example when an ICE train at 300 km / h. to noise barriers, which are constructed from the soundproofing elements according to the invention, passes over. It should also be noted that no aging fasteners, such as rivets, are required and also no shearing can take place. The soundproofing elements according to the invention can be produced easily and cost-effectively, which leads to a large increase in productivity in the assembly process of the soundproofing elements. Furthermore, the mounting device and the folding machine, which are necessary for carrying out the method according to the invention, with little effort and inexpensive to produce.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der Schallschutzelemente aus dem Stand der Technik und bevorzugte Ausführungsformen der Erfindung anhand von schematischen Zeichnungen beispielhaft beschrieben werden. Dabei zeigt:

Figs. 1-5
jeweils einen Ausschnitt gattungsgemäßer Schallschutzelemente aus dem Stand der Technik;
Fig. 6
einen Querschnitt durch ein gattungsgemäßes Schallschutzelement;
Fig. 7
einen Querschnitt durch einen Obergurt für ein erfindungsgemäßes Schallschutzelement;
Fig. 8
einen Querschnitt durch einen Untergurt für ein erfindungsgemäßes Schallschutzelement; und
Fig. 9
die Verbindung von zwei erfindungsgemäßen Schallschutzelementen; und
Fig. 10
eine Klemmverbindung umgebogener Endabschnitte zwischen Basisprofil und Steg von Ober- und Untergurten; und
Fig. 11
eine alternative Klemmverbindung umgebogener Endabschnitte zwischen Basisprofil und Steg.
Further features and advantages of the invention will become apparent from the following description, are described by way of example in the sound insulation elements of the prior art and preferred embodiments of the invention with reference to schematic drawings. Showing:
Figs. 1-5
in each case a section of generic sound insulation elements from the prior art;
Fig. 6
a cross section through a generic sound insulation element;
Fig. 7
a cross section through a top flange for a soundproofing element according to the invention;
Fig. 8
a cross section through a lower flange for a soundproofing element according to the invention; and
Fig. 9
the connection of two soundproofing elements according to the invention; and
Fig. 10
a clamping connection of bent end sections between base profile and web of upper and lower chords; and
Fig. 11
an alternative clamping connection bent end portions between the base profile and web.

Die Figuren 1-5 zeigen ausschnittsweise gattungsgemäße Schallschutzelemente 1a-1e, die aus dem Stand der Technik bekannt sind, wobei in Figur 1 ausschnittsweise ein Schallschutzelement 1a gezeigt ist, bei dem Endabschnitte 2a, 3a einer Vorder- und einer Rückseite 4a, 5a so um etwa 90° gebogen und zudem profiliert sind, um auf überlappende Art und Weise einen Nut-Bereich 6a zum Aufeinanderstecken mehrerer Schallschutzelemente bereitzustellen. Ein solcher Nut-Bereich 6a ist auf einfache Art und Weise lösbar und stellt eine nicht zufriedenstellende Stabilität für diesen Bereich bereit.FIGS. 1-5 show detail-wise generic soundproofing elements 1a-1e, which are known from the prior art, wherein FIG. 1 shows a detail of a soundproofing element 1a, in the end sections 2a, 3a of a front and a back side 4a, 5a bent by about 90 ° and are also profiled to provide an overlapping manner a groove portion 6a for superimposing several soundproofing elements. Such a groove portion 6a is easily detachable and provides unsatisfactory stability for this range.

Wie aus Figur 2 ersichtlich, können bei einem Schallschutzelement 16 die umgebogenen Endabschnitte auch durch Nieten 7b oder andere Verbindungselemente verbunden werden.As can be seen from FIG. 2, with a soundproofing element 16, the bent-over end sections can also be connected by rivets 7b or other connecting elements.

Figur 3 zeigt einen Ausschnitt eines gattungsgemäßen Schallschutzelements 1c, bei dem ein separater Obergurt 8c mit entsprechendem Profil über Nieten 7c an einer Vorderseite 4c bzw. einer Rückseite 5c befestigt werden kann.FIG. 3 shows a detail of a generic soundproofing element 1c, in which a separate upper flange 8c with a corresponding profile can be fastened via rivets 7c to a front side 4c or a rear side 5c.

Figuren 4 und 5 zeigen ausschnittsweise weitere gattungsgemäße Schallschutzelemente 1d, 1e, bei denen ein getrennter Obergurt 8d, 8e mit entsprechendem Profil entweder über Nieten 7d an der Vorderseite und der Rückseite 4d, 5d befestigt ist, oder über entsprechende Halteprofile 9e zwischen einer Vorderseite und einer Rückseite 4e, 5e einschiebbar ist. Die Montage der in den Figuren 1 bis 5 gezeigten, aus dem Stand der Technik bekannten Schallschutzelemente la-le ist zeit- und kostenintensiv und fuhrt häufig zu einer nicht zufriedenstellenden Stabilität des Schallschutzelements. Ferner werden häufig Verbindungselemente, wie z.B. Nieten, eingesetzt, die altem können und nach einem Alterungsprozeß dafür sorgen, daß das Schallschutzelement nicht mehr verwendet werden kann und ersetzt werden muß.Figures 4 and 5 show a detail of other generic sound insulation elements 1d, 1e, in which a separate upper flange 8d, 8e with corresponding profile either via rivets 7d on the front and the back 4d, 5d is attached, or via corresponding retaining profiles 9e between a front and a Back 4e, 5e is inserted. The installation of the noise protection elements la-le shown in the figures 1 to 5, known from the prior art is time-consuming and costly and often leads to an unsatisfactory stability of the soundproofing element. Furthermore, fasteners such as e.g. Rivets, used, the old can and after an aging process ensure that the soundproofing element can not be used and must be replaced.

Figur 6 zeigt eine Schallschutzwand 10, die aus gattungsgemäßen Schallschutzelementen 1f aufgebaut ist. Die Schallschutzwand 1f ist auf einem Betonsockel 11 montiert und umfaßt beispielhaft zwei Schallschutzelemente 1f, die übereinander stehend angeordnet sind. Die in Figur 6 gezeigten Schallschutzelemente 1f umfassen trapezförmige Vorder- und Rückseiten 4f, 5f, die jeweils mit einem Obergurt 8f und einem Untergurt 12f über Nietverbindungen (nicht gezeigt) verbunden sind. Der Obergurt 8f und der Untergurt 12f weisen ein solches Profil auf, das das Profil des Obergurtes 8f im wesentlichen formschlüssig in das Profil des Untergurts 12f eingesteckt werden kann, um eine Anordnung aufeinander zu ermöglichen. Innerhalb des Schallschutzelements 1f sind Dämmaterialien angeordnet, nämlich zum einen eine Platte 13 aus mineralischem Faserdämmstoff als auch eine Holzspanzementplatte 14. Für einen Fachmann ist offensichtlich, daß die Dämmaterialien beliebig geartet sein können.FIG. 6 shows a soundproof wall 10, which is constructed from generic soundproofing elements 1f. The soundproof wall 1f is mounted on a concrete base 11 and comprises by way of example two soundproofing elements 1f, which are arranged one above the other. The soundproofing elements 1f shown in FIG. 6 include trapezoidal front and rear sides 4f, 5f each connected to a top flange 8f and a bottom flange 12f via rivet joints (not shown). The top chord 8f and the bottom chord 12f have such a profile that the profile of the top chord 8f can be inserted into the profile of the bottom chord 12f substantially in a form-fitting manner so as to enable an arrangement on one another. Within the soundproofing element 1f insulation materials are arranged, namely on the one hand a plate 13 of mineral fiber insulation as well as a wood pulp board 14. For a person skilled in the art, it is obvious that the insulating materials can be of any kind.

Figur 7 zeigt einen Obergurt 20, der in einem erfindungsgemäßen Schallschutzelement verwendet werden kann. Im wesentlichen entspricht der Obergurt 20 in seinem Basisprofil 21 einem Obergurt, wie er beispielsweise in Figur 6 gezeigt ist. Jedoch weist der Obergurt 20 jeweils Stege 22 auf, die sich von dem Profil des Obergurts 20 in einem geeigneten Winkel weg erstrecken.FIG. 7 shows a top flange 20 which can be used in a soundproofing element according to the invention. In essence, the upper flange 20 in its base profile 21 corresponds to a top flange, as shown for example in FIG. However, the upper flange 20 has respective webs 22 which extend away from the profile of the upper belt 20 at a suitable angle.

Figur 8 zeigt einen Untergurt 30, der in einem erfindungsgemäßen Schallschutzelement eingesetzt werden kann. Der Untergurt 30 weist im wesentlichen ein ähnliches Basisprofil 31 auf wie der Untergurt, der in Figur 6 gezeigt ist. Jedoch erstrecken sich in einem geeigneten Winkel von dem Untergurt 30 auch Stege 32 weg.FIG. 8 shows a lower flange 30 which can be used in a soundproofing element according to the invention. The lower chord 30 has substantially a similar base profile 31 as the lower chord shown in FIG. However, webs 32 also extend away from the lower flange 30 at a suitable angle.

Figur 9 zeigt ausschnittsweise, wie zwei erfindungsgemäße Schallschutzelemente 40, 50 aufeinander gesetzt werden können. Ein unteres Schallschutzelement 40 umfaßt dabei einen Obergurt 20 mit entsprechendem Basisprofil 21 und Stegen 22. Das untere Schallschutzelement 40 weist ferner eine Vorderseite 41 und eine Rückseite 42 auf, deren umgebogene Endabschnitte 43, 44 so umgebogen sind, daß sie zwischen dem Basisprofil 21 und dem Steg 22 angeordnet sind und eng an dem Basisprofil 21 des Obergurts 20 anliegen. Das obere Schallschutzelement 50 weist einen Untergurt 30 und ferner eine Vorderseite 51 und eine Rückseite 52 auf, deren umgebogene Endabschnitte 53, 54 zwischen dem Basisprofil 31 des Untergurts 30 und den Stegen 32 angeordnet ist.FIG. 9 shows a detail of how two soundproofing elements 40, 50 according to the invention can be placed on top of each other. A lower soundproofing element 40 in this case comprises a top flange 20 with a corresponding base profile 21 and webs 22. The lower soundproofing element 40 also has a front 41 and a back 42, the bent end portions 43, 44 are bent so that they are between the base profile 21 and the Web 22 are arranged and tight against the base profile 21 of the upper belt 20. The upper soundproofing element 50 has a lower flange 30 and furthermore a front side 51 and a rear side 52, whose bent end sections 53, 54 are arranged between the base profile 31 of the lower belt 30 and the webs 32.

Eine feste und stabile Verbindung der Vorderseiten 41, 51 und Rückseiten 42, 52 mit dem Obergurt 20 bzw. Untergurt 30 ist nun auf einfache Art und Weise so möglich, daß die Stege 22, 32 lediglich auf die umgebogenen Endabschnitte 43, 44 bzw. 53, 54 umgebogen werden müssen, um eine formschlüssige und nicht lösbare Verbindung zwischen den Gurten und den Vorder- und Rückseiten bereitzustellen. Ein solches Umbiegen ist auf einfache Art und Weise durchgeführt.A firm and stable connection of the front sides 41, 51 and rear sides 42, 52 with the upper flange 20 and lower flange 30 is now possible in a simple manner so that the webs 22, 32 only on the bent end portions 43, 44 and 53rd , 54 must be bent to provide a positive and non-releasable connection between the straps and the front and back sides. Such bending is done in a simple manner.

Figur 10 zeigt, wie schließlich eine Klemmverbindung zwischen umgebogenen Endabschnitten 43, 44, bzw. 53, 54 der Vorder- und/oder Rückseiten 41, 42 bzw. 42, 52 erreicht wird, in dem die Stege 22 bzw. 32 so in Richtung auf das jeweilige Basisprofil 21 bzw. 31 des Ober- oder Untergurts 20, 30 umgebogen werden, daß die umgebogenen Endabschnitte 43, 44 bzw. 53, 54 zwischen den Stegen 22, 32 und den Basisprofilen 21, 31 fest eingeklemmt werden.Figure 10 shows how finally a clamping connection between bent end portions 43, 44, and 53, 54 of the front and / or rear sides 41, 42 and 42, 52 is achieved, in which the webs 22 and 32 so in the direction the respective base profile 21 or 31 of the upper or Untergurts 20, 30 are bent, that the bent end portions 43, 44 and 53, 54 between the webs 22, 32 and the base profiles 21, 31 are firmly clamped.

Figur 11 zeigt eine alternative Klemmverbindung, bei der an einem Basisprofil 61 endständig ein Steg angeordnet ist, der in Richtung auf das Basisprofil 61 umbiegbar bzw. bereits umgebogen ist. Ein umgebogener Endabschnitt 63 einer Vorderseite 71 und ein umgebogener Endabschnitt 64 einer Rückseite 72 kann dabei zwischen dem Basisprofil 61 und dem umgebogenen Steg 62 eingeklemmt werden. Durch Zusammendrücken dieser Klemmverbindung wird eine falzartige Bindung erhalten, die ebenfalls konstruktiv einfach, jedoch äußerst stabil hergestellt werden kann.FIG. 11 shows an alternative clamping connection in which a web is terminally arranged on a base profile 61, which can be bent or already bent in the direction of the base profile 61. A bent end portion 63 of a front side 71 and a bent end portion 64 of a back 72 can be clamped between the base profile 61 and the bent web 62. By squeezing this clamp connection a fold-like bond is obtained, which can also be structurally simple, but extremely stable.

Claims (10)

  1. Soundproofing element (40, 50), which comprises a front side and a rear side (41, 51; 42, 52; 71, 72), side parts and a top flange (20) and a bottom flange (30), the top flange and/or bottom flange (20, 30) being fixed to the front side and/or rear side (41, 51; 42, 52; 71, 72) of the soundproofing element (40, 50) via at least one connection, characterized in that the top flange and/or bottom flange (20, 30) has a basic profile (21, 31; 61) and a crosspiece (22, 32; 62) which projects from the basic profile (21, 31; 61) and can be bent over in the direction of the basic profile (21, 31; 61), at least one bent-over end portion (43, 53; 44, 54; 63, 64) of the front side and/or rear side (41, 51; 42, 52; 71, 72) of the soundproofing element (40, 50) being clamped in between the basic profile (21, 31; 61) and the bent-over crosspiece (22, 32; 62) of the top flange and/or bottom flange (20, 30).
  2. Soundproofing element according to Claim 1, characterized in that the front side (41, 51; 71), the rear side (42, 52; 72), the side parts and/or the top flange and/or bottom flange (20, 30) is or are produced from aluminium.
  3. Soundproofing element according to Claim 1 or 2, characterized in that the front side and/or rear side (41, 51; 42, 52; 71, 72) have and/or has a trapezoidal profile, preferably with a depth of 5 to 30 mm, particularly preferably 20 mm.
  4. Soundproofing element according to one of the preceding claims, characterized in that the front side (41, 51; 71) of the soundproofing element comprises a perforated sheet, the individual holes having a diameter of 2-12 mm, preferably 5 mm.
  5. Soundproofing element according to one of the preceding claims, characterized in that the thickness of the front and rear sides (41, 51; 42, 52; 71, 72), of the side parts and of the top flange and/or bottom flange (20, 30) is 0.5 to 2 mm, preferably 1 mm.
  6. Soundproofing element according to one of the preceding claims, characterized in that the top and bottom flanges (20, 30) each have an extruded profile, so that a plurality of soundproofing elements (40, 50) can be arranged one upon the other in a form-fitting manner in accordance with a groove/tongue system.
  7. Soundproofing element according to one of the preceding claims, characterized in that insulating elements such as insulating panels (13) made of mineral fibre insulating material, woodchip cement boards (14) or the like are arranged between the front and rear sides (41, 51; 42, 52; 71, 72).
  8. Soundproofing wall, which is constructed from soundproofing elements according to one of Claims 1 to 7.
  9. Soundproofing wall according to Claim 8, characterized in that the soundproofing elements are arranged horizontally or vertically.
  10. Method of producing a soundproofing element which comprises a front side and a rear side, side parts and a top flange and a bottom flange, the top flange and/or bottom flange being fixed to the front side and/or rear side of the soundproofing element via at least one connection, the method being characterized by the following steps:
    i) providing top and/or bottom flanges made of extruded profiles which have a basic profile and a crosspiece which projects from the basic profile and can be bent over in the direction of the basic profile;
    ii) introducing at least one bent-over end portion of a front side and/or rear side of the soundproofing element between the crosspiece and the basic profile of the top flange and/or bottom flange; and
    iii) bending over the crosspiece in the direction of the basic profile in order for the end portion to be clamped in between the crosspiece and the basic profile.
EP04027307A 2004-11-17 2004-11-17 Noise reduction element, noise reduction barrier and method for producing the noise reduction element Active EP1659222B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL04027307T PL1659222T3 (en) 2004-11-17 2004-11-17 Noise reduction element, noise reduction barrier and method for producing the noise reduction element
EP04027307A EP1659222B1 (en) 2004-11-17 2004-11-17 Noise reduction element, noise reduction barrier and method for producing the noise reduction element
ES04027307T ES2282784T3 (en) 2004-11-17 2004-11-17 ELEMENT OF AUSTIC INSULATION, ACOUSTIC INSULATION WALL AND PROCEDURE FOR THE MANUFACTURE OF THE ACOUSTIC INSULATION ELEMENT.
DE502004003073T DE502004003073D1 (en) 2004-11-17 2004-11-17 Sound element, sound insulation wall and method for producing the acoustic element
AT04027307T ATE355414T1 (en) 2004-11-17 2004-11-17 SOUND ELEMENT, SOUND BURDER AND METHOD FOR PRODUCING THE SOUND ELEMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04027307A EP1659222B1 (en) 2004-11-17 2004-11-17 Noise reduction element, noise reduction barrier and method for producing the noise reduction element

Publications (2)

Publication Number Publication Date
EP1659222A1 EP1659222A1 (en) 2006-05-24
EP1659222B1 true EP1659222B1 (en) 2007-02-28

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EP04027307A Active EP1659222B1 (en) 2004-11-17 2004-11-17 Noise reduction element, noise reduction barrier and method for producing the noise reduction element

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EP (1) EP1659222B1 (en)
AT (1) ATE355414T1 (en)
DE (1) DE502004003073D1 (en)
ES (1) ES2282784T3 (en)
PL (1) PL1659222T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009007311U1 (en) 2009-05-20 2010-09-23 K. Schütte GmbH Noise protection element
DE102009022235A1 (en) 2009-05-20 2010-11-25 Sehnix Gmbh Noise protection element has area that is provided on side of noise protection element and is suited for growing moss, where noise protection element comprises irrigation device for area
CN103469926A (en) * 2013-09-12 2013-12-25 苏州岸肯电子科技有限公司 Sound insulation wall of anechoic chamber
DE102014014648A1 (en) 2014-10-08 2016-04-14 Hermanussen Metallverarbeitung Gmbh Soundproofing element

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2607554B1 (en) * 2011-12-24 2015-06-24 Sehnix GmbH Wall element for a sound-proof wall
DE202011109530U1 (en) * 2011-12-24 2013-03-25 Sehnix Gmbh Wall element for a noise barrier
AT522193B1 (en) * 2019-02-18 2021-01-15 Forster Metallbau Ges M B H Element for a soundproof wall

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Publication number Priority date Publication date Assignee Title
DE3247851A1 (en) * 1982-12-23 1984-06-28 G + H Montage Gmbh, 6700 Ludwigshafen Screen for a screen sound damper, and process for production thereof
DE9106804U1 (en) 1991-06-03 1991-08-22 Koch GmbH & Co. KG, 5431 Nentershausen Noise protection element for the formation of noise barriers
DE29609237U1 (en) 1996-05-23 1996-08-14 Koch GmbH & Co. KG, 56412 Nentershausen Wall element for erecting protective walls
DE19816089A1 (en) * 1998-04-09 1999-10-21 Lsw Bau Ges Fuer Laermschutz M Wall element for a noise barrier and noise barrier
DE29821342U1 (en) 1998-11-30 1999-04-01 Bongard GmbH & Co. KG Schutzplanken und Lärmschutzsysteme, 56412 Nentershausen Noise protection wall made of combinable noise protection modules

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009007311U1 (en) 2009-05-20 2010-09-23 K. Schütte GmbH Noise protection element
DE102009022235A1 (en) 2009-05-20 2010-11-25 Sehnix Gmbh Noise protection element has area that is provided on side of noise protection element and is suited for growing moss, where noise protection element comprises irrigation device for area
CN103469926A (en) * 2013-09-12 2013-12-25 苏州岸肯电子科技有限公司 Sound insulation wall of anechoic chamber
CN103469926B (en) * 2013-09-12 2016-01-20 苏州岸肯电子科技有限公司 The sound-proof wall body of anechoic chamber
DE102014014648A1 (en) 2014-10-08 2016-04-14 Hermanussen Metallverarbeitung Gmbh Soundproofing element
DE202014011020U1 (en) 2014-10-08 2017-05-15 Hermanussen Metallverarbeitung Gmbh Soundproofing element

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Publication number Publication date
ES2282784T3 (en) 2007-10-16
ATE355414T1 (en) 2006-03-15
DE502004003073D1 (en) 2007-04-12
PL1659222T3 (en) 2007-07-31
EP1659222A1 (en) 2006-05-24

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