EP3173532B1 - Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member - Google Patents

Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member Download PDF

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Publication number
EP3173532B1
EP3173532B1 EP15196044.0A EP15196044A EP3173532B1 EP 3173532 B1 EP3173532 B1 EP 3173532B1 EP 15196044 A EP15196044 A EP 15196044A EP 3173532 B1 EP3173532 B1 EP 3173532B1
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Prior art keywords
emitting device
corrugated
bellows
accordance
noise emitting
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EP15196044.0A
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German (de)
French (fr)
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EP3173532A1 (en
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Sebastian SCHMELING
Frank Klöckl
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Huebner GmbH and Co KG
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Huebner GmbH and Co KG
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Priority to SI201531723T priority Critical patent/SI3173532T1/en
Priority to EP15196044.0A priority patent/EP3173532B1/en
Publication of EP3173532A1 publication Critical patent/EP3173532A1/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/005—Sound absorbing accessories in piling

Definitions

  • the invention relates to a sound-emitting device comprising a tool in the form of a pile driver and a workpiece in the form of a pile or sheet pile, the pile or sheet pile being provided for processing by the pile driver and a bellows on the pile driver to reduce noise emissions and / or the driven pile, respectively the sheet pile, is arranged, the bellows at least substantially surrounding the sound-emitting area of the tool and workpiece and the bellows being designed as corrugated bellows.
  • Sound-emitting devices are known from the prior art. So are z. B. pile driving devices for driving a pile or sheet pile into the ground are known.
  • the pile driver itself is here by the boom z. B. held a vehicle displaceable in the vertical direction.
  • the pile driver is guided by a guide post, which is also held by the boom of the vehicle.
  • the pile driver itself has a pile hood, with the pile hood sitting on top of the pile as part of the pile driver.
  • the object on which the invention is based is to achieve a significant reduction in sound emission in sound-emitting devices, this being done with the simplest possible means.
  • the bellows be designed as a corrugated bellows.
  • a corrugated bellows has a similarly simple structure to a bellows, but ensures a significantly higher level of sound absorption.
  • the bellows comprises a plurality of elements which are arranged in a row in cross section and which are undulating and which are connected to one another in the region of the transition from one undulating element to an adjacent undulating element; the wave-shaped elements are closed in a ring.
  • a corrugated bellows is formed from several elements with a wave-shaped cross-section, which are arranged in series with one another and which are connected to one another by sewing and / or gluing, the wave-shaped elements also being ring-shaped for the circumferentially closed casing of the sound-emitting device are closed.
  • the inlet frames are designed to be circumferential in a ring shape.
  • the edging frame not only results in a more stable connection between two wave-shaped elements, but also gives the bellows overall greater stability, in particular against buckling.
  • the ring-shaped element which is undulating in cross section, is formed from at least two ring segments, the two ring segments being connected to one another; the connection can be made by sewing and / or gluing.
  • the wave-shaped element has at least one reinforcement coated with an elastomer, wherein the reinforcement is advantageously designed as a material, in particular as a fabric.
  • the element which is wave-shaped in cross section, has two leg areas and a web area.
  • a first and a second leg track made of a reinforcement coated with an elastomer to be provided in the leg area, the two leg tracks being connected by a web made of reinforcement also coated with an elastomer.
  • the connection is also advantageously made here by gluing and / or sewing.
  • the production of the waveform in a ring segment e.g. B. a semicircular ring segment, is particularly easy to accomplish. This in so far as no circular paths have to be prepared for the leg area, but only semicircular paths. Not only is this easier, but it also saves material.
  • a sound-emitting device comprising a pile driver and a pile driver, e.g. B. a driven pile or a sheet pile, with a corrugated bellows, as has been described above.
  • the pile driver forms the tool, the pile driver the workpiece.
  • the corrugated bellows is connected by at least one holder to the ramming member or the ramming device and here in particular the ram hood of the ramming device. It is advantageous if the ram hood of the piling device, which is the end of the Driving pile or the sheet pile surrounds like a cup, is connected to the corrugated bellows. This in so far as an essentially tight seal can then be achieved in the upper end area of the driven pile.
  • the holder can in this case advantageously be formed by the upper, last edging frame of the corrugated bellows, which in this respect can be screwed to the end face of the ram hood to the ram member.
  • the upper border frame then only covers a leg path.
  • an edging frame can likewise be provided, with which the corrugated bellows stands on the floor and to the extent that the wear on the bellows itself is reduced in this area. From this it becomes clear that the sound-emitting area of the piling device and the driven pile or sheet pile is encased not only tangentially all around, but also over the length of the pile, through bellows with an annular cross-section during the driving of a ram link into the ground.
  • corrugated bellows which is advantageously attached to the end face of the ram hood, is pulled over the length of the ram member and ultimately the corrugated bellows rests on the ground with its lower end.
  • the corrugated bellows is gradually shortened as the ramming progresses.
  • the guide post 3 has on its upper end a traverse 4 with several deflections for a cable pull 5, on which the pile driver 10 is arranged to be movable in the vertical direction.
  • the pile driver 10 has at its lower end the bellows 20, which in Fig. 1 is shown in the contracted state.
  • the driven pile 12 can be seen below the corrugated bellows 20, over which the corrugated bellows 20 is slipped over the entire length for the purpose of soundproofing.
  • the pile driving device 10 which is mounted on the guide pile 3 so as to be longitudinally displaceable, has at its lower end the driving hood 14, which is cup-shaped and rests on the upper end of the driving pile 12.
  • the corrugated bellows, designated as a whole by 20, is arranged on the end face of the ram hood 14.
  • the corrugated bellows 20 extends over the length of the driven pile 12 down to the floor 7, the corrugated bellows standing on the floor 7 at the lower end. This means that the driven pile 12 is essentially hermetically sealed by the corrugated bellows 20 over its circumference and over its length. In the course of driving the driven pile 12 into the Bottom 7, the corrugated bellows 20 is compressed in the axial direction in accordance with the progress of the ramming.
  • Fig. 3 shows the corrugated bellows 20 in a shortened representation. It can be seen that the corrugated bellows 20 comprises a plurality of wave-shaped elements 22 connected to one another in series, which are connected to one another in the region of the transition from one wave-shaped element to the adjacent wave-shaped element. Such a wave-shaped element 22 and its connection to the adjacent wave-shaped element 22 is shown in accordance with the illustration FIGS. 4 and 5 refer to.
  • the two wave-shaped elements 22 are not only connected to one another by gluing and / or sewing, but also advantageously by a border frame labeled 24 , which encompasses the transition area between two wave-shaped elements in a closed, circumferential manner.
  • the last upper edging frame 24 can be provided for attachment to the pile hood 14. This means that the corrugated bellows 20 with the last upper border frame 24 is in particular screwed to the end face of the cup-shaped pile hood 14 in the transition to the driven pile 12. It can also be provided that the corrugated bellows 20 with the last lower border frame 24 stands up on the floor 7 in order to reduce wear.
  • the corrugated bellows 20 has two semicircular ring segments 27 to form the annular, undulating elements 22, which are sewn and / or glued to one another in an overlapping manner at the joints 29 to form the annular, undulating element 22.
  • the wave-shaped element 22 has two leg regions in cross section, which are marked by the arrows 31 and 32.
  • the wave-shaped element 22 has two leg regions in cross section, which are marked by the arrows 31 and 32.
  • first and a second leg web 33, 34 coated with an elastomer which are connected in the web or apex region 35 by a third web 36 coated with an elastomer by sewing and / or gluing.
  • a respective edging frame 24 is provided, which encompasses the leg paths of two adjacent wave-shaped elements 22 in a ring-shaped manner.
  • a fastening support 40 is used as a layer of material, e.g. B. as a woven or knitted fabric, provided, the reinforcement carrier 40 at least on one, but advantageously on both sides, a layer 42 made of an elastomer, for. B. EPDM.
  • a plurality of fastening supports 40 can also be provided one above the other, the individual fastening supports being connected to one another by layers 42 of elastomer. That is to say, the reinforcement support or supports 40 as individual layers are embedded on all sides in layers 42 made of elastomer.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Diaphragms And Bellows (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Description

Die Erfindung betrifft eine schallemittierende Einrichtung umfassend ein Werkzeug in Form eines Rammgeräts und ein Werkstück in Form eines Rammpfahls oder einer Spundbohle, wobei der Rammpfahl respektive die Spundbohle zur Bearbeitung durch das Rammgerät vorgesehen ist und wobei -zur Reduzierung der Schallemission- ein Balg an dem Rammgerät und / oder dem Rammpfahl, respektive der Spundbohle, angeordnet ist, wobei der Balg den schallemittierenden Bereich vom Werkzeug und Werkstück zumindest im Wesentlichen umgibt und der Balg als Wellenbalg ausgebildet ist. The invention relates to a sound-emitting device comprising a tool in the form of a pile driver and a workpiece in the form of a pile or sheet pile, the pile or sheet pile being provided for processing by the pile driver and a bellows on the pile driver to reduce noise emissions and / or the driven pile, respectively the sheet pile, is arranged, the bellows at least substantially surrounding the sound-emitting area of the tool and workpiece and the bellows being designed as corrugated bellows.

Schallemittierende Einrichtungen sind aus dem Stand der Technik bekannt. So sind z. B. Rammgeräte zum Eintreiben eines Rammpfahles oder einer Spundbohle in den Boden bekannt.Sound-emitting devices are known from the prior art. So are z. B. pile driving devices for driving a pile or sheet pile into the ground are known.

Das Rammgerät selbst ist hierbei durch den Ausleger z. B. eines Fahrzeugs in vertikaler Richtung verschieblich gehalten. Geführt wird das Rammgerät durch einen Führungspfahl, der ebenfalls von dem Ausleger des Fahrzeugs gehalten wird. Das Rammgerät selbst besitzt eine Pfahlhaube, wobei die Pfahlhaube als Teil des Rammgerätes oben auf dem Pfahl aufsitzt.The pile driver itself is here by the boom z. B. held a vehicle displaceable in the vertical direction. The pile driver is guided by a guide post, which is also held by the boom of the vehicle. The pile driver itself has a pile hood, with the pile hood sitting on top of the pile as part of the pile driver.

Das Eintreiben von Rammpfählen in den Boden ist mit einer erheblichen Schallemission verbunden. Insofern ist auch bereits aus der DE 2 514 923 C2 bekannt, den Rammpfahl während des Eintreibens in den Boden mit einem Faltenbalg zu ummanteln. Hierdurch konnte bereits eine Reduzierung der Schallemissionen während des Rammvorgangs erreicht werden.Driving piles into the ground is associated with considerable noise emissions. In this respect, the DE 2 514 923 C2 known to encase the pile with bellows while driving it into the ground. This has already resulted in a reduction in noise emissions during the pile-driving process.

Die der Erfindung zugrunde liegende Aufgabe besteht darin, bei schallemittierenden Einrichtungen eine signifikante Reduktion der Schallemission zu erzielen, wobei dies mit möglichst einfachen Mitteln bewerkstelligt werden soll.The object on which the invention is based is to achieve a significant reduction in sound emission in sound-emitting devices, this being done with the simplest possible means.

Zur Lösung der Aufgabe wird erfindungsgemäß vorgeschlagen, dass der Balg als Wellenbalg ausgebildet ist. Ein Wellenbalg ist ähnlich einfach aufgebaut wie ein Faltenbalg, sorgt jedoch für eine wesentlich höhere Schallabsorption.To achieve the object, it is proposed according to the invention that the bellows be designed as a corrugated bellows. A corrugated bellows has a similarly simple structure to a bellows, but ensures a significantly higher level of sound absorption.

Vorteilhafte Merkmale und Ausgestaltungen ergeben sich aus den Unteransprüchen.Advantageous features and configurations emerge from the subclaims.

So ist insbesondere vorgesehen, dass der Balg mehrere in Reihe angeordnete im Querschnitt wellenförmige Elemente umfasst, die im Bereich des Übergangs von einem wellenförmigen Element zu einem benachbarten wellenförmigen Element miteinander verbunden sind; die wellenförmigen Elemente sind hierbei ringförmig geschlossen. Hieraus wird deutlich, dass ein Wellenbalg aus mehreren im Querschnitt wellenförmigen Elementen ausgebildet ist, die in Reihe zueinander angeordnet sind und die untereinander durch Nähen und/oder Kleben miteinander verbunden sind, wobei die wellenförmigen Elemente zur auf dem Umfang geschlossenen Ummantelung der schallemittierenden Einrichtung ebenfalls ringförmig geschlossen sind.In particular, it is provided that the bellows comprises a plurality of elements which are arranged in a row in cross section and which are undulating and which are connected to one another in the region of the transition from one undulating element to an adjacent undulating element; the wave-shaped elements are closed in a ring. From this it becomes clear that a corrugated bellows is formed from several elements with a wave-shaped cross-section, which are arranged in series with one another and which are connected to one another by sewing and / or gluing, the wave-shaped elements also being ring-shaped for the circumferentially closed casing of the sound-emitting device are closed.

Zur Erhöhung der Stabilität eines solchen Balges ist vorgesehen, dass im Bereich der Verbindung der wellenförmigen Elemente untereinander jeweils zwei Wellenelemente erfassende im Querschnitt in etwa U-förmige Einfassrahmen vorgesehen sind. Die Einlassrahmen sind hierbei ringförmig umlaufend ausgebildet. Durch die Einfassrahmen ergibt sich nicht nur eine stabilere Verbindung zweier wellenförmiger Elemente, vielmehr erhält der Balg insgesamt eine höhere Stabilität, und zwar insbesondere gegen Ausknicken.To increase the stability of such a bellows, it is provided that in the area of the connection of the wave-shaped elements to one another two wave elements are provided, each having an approximately U-shaped cross-section. In this case, the inlet frames are designed to be circumferential in a ring shape. The edging frame not only results in a more stable connection between two wave-shaped elements, but also gives the bellows overall greater stability, in particular against buckling.

Als besonders vorteilhaft hat sich herausgestellt, wenn die wellenförmigen Elemente in Richtung auf das Innere des Balges zugewölbt sind. So konnte mit einem solchermaßen ausgebildeten Balg eine Schallabsorptionsdifferenz um 4 dB zwischen einem Faltenbalg und einem Wellenbalg mit solchen mit nach innen gewölbten Wellen erzielt werden.It has been found to be particularly advantageous if the wave-shaped elements are curved in the direction of the interior of the bellows. With a bellows designed in this way, it was possible to achieve a sound absorption difference of 4 dB between a bellows and a corrugated bellows with inwardly curved corrugations.

Nach einem besonderen Merkmal der Erfindung ist das ringförmige im Querschnitt wellenförmige Element aus mindestens zwei Ringsegmenten ausgebildet, wobei die beiden Ringsegmente miteinander verbunden sind; die Verbindung kann hierbei durch Vernähen und/oder Verkleben erfolgen. Dies hat Vorteile in Bezug auf den Herstellungsprozess, wie sich dies aus den nachstehenden Erläuterungen ergibt.According to a particular feature of the invention, the ring-shaped element, which is undulating in cross section, is formed from at least two ring segments, the two ring segments being connected to one another; the connection can be made by sewing and / or gluing. This has advantages with regard to the manufacturing process, as can be seen from the explanations below.

So ist nach einem weiteren Merkmal der Erfindung vorgesehen, dass das wellenförmige Element mindestens einen mit einem Elastomer beschichteten Festigkeitsträger aufweist, wobei der Festigkeitsträger vorteilhaft als Stoff, insbesondere als Gewebe ausgebildet ist. Das im Querschnitt wellenförmige Element weist zwei Schenkelbereiche und einen Stegbereich auf. Für den Aufbau eines im Querschnitt wellenförmigen Elementes ist vorgesehen, dass im Schenkelbereich jeweils eine erste und eine zweite Schenkelbahn aus einem mit einem Elastomer beschichteten Festigkeitsträger vorgesehen ist, wobei die beiden Schenkelbahnen durch eine Stegbahn aus ebenfalls mit einem Elastomer beschichteten Festigkeitsträger verbunden sind. Die Verbindung erfolgt hierbei ebenfalls vorteilhaft durch Verkleben und/oder Vernähen. Insbesondere hat sich herausgestellt, dass die Herstellung der Wellenform bei einem Ringsegment, z. B. einem halbkreisförmigen Ringsegment, besonders einfach zu bewerkstelligen ist. Dies insofern, als keine kreisförmigen Bahnen für den Schenkelbereich vorbereitet werden müssen, sondern lediglich halbkreisförmige Bahnen. Dies ist nicht nur einfacher, sondern spart auch Material.According to a further feature of the invention, it is provided that the wave-shaped element has at least one reinforcement coated with an elastomer, wherein the reinforcement is advantageously designed as a material, in particular as a fabric. The element, which is wave-shaped in cross section, has two leg areas and a web area. For the construction of an element with a wave-shaped cross-section, provision is made for a first and a second leg track made of a reinforcement coated with an elastomer to be provided in the leg area, the two leg tracks being connected by a web made of reinforcement also coated with an elastomer. The connection is also advantageously made here by gluing and / or sewing. In particular, it has been found that the production of the waveform in a ring segment, e.g. B. a semicircular ring segment, is particularly easy to accomplish. This in so far as no circular paths have to be prepared for the leg area, but only semicircular paths. Not only is this easier, but it also saves material.

Weiter offenbart wird eine schallemittierende Einrichtung umfassend ein Rammgerät und ein Rammglied, z. B. einen Rammpfahl oder eine Spundbohle, mit einem Wellenbalg, wie er zuvor beschrieben worden ist. Das Rammgerät bildet hierbei das Werkzeug, das Rammglied das Werkstück. Der Wellenbalg ist nach einem Merkmal durch mindestens einen Halter mit dem Rammglied oder dem Rammgerät und hier insbesondere der Rammhaube des Rammgerätes verbunden. Von Vorteil ist, wenn die Rammhaube des Rammgerätes, die das Ende des Rammpfahles oder der Spundbohle napfartig umgibt, mit dem Wellenbalg verbunden ist. Dies insofern, als dann ein im Wesentlichen dichter Abschluss im oberen Endbereich des Rammpfahles erreicht werden kann. Der Halter kann hierbei vorteilhaft durch den oberen, letzten Einfassrahmen des Wellenbalgs gebildet werden, der insofern an der Stirnseite der Rammhaube zum Rammglied angeschraubt sein kann. Der obere Einfassrahmen erfasst dann allerdings lediglich eine Schenkelbahn. Am unteren Ende kann entsprechend ebenfalls ein Einfassrahmen vorgesehen sein, mit dem der Wellenbalg auf dem Boden aufsteht und insofern der Verschleiß des Balges an sich in diesem Bereich vermindert ist. Hieraus wird deutlich, dass durch einen im Querschnitt ringförmigen Balg während des Eintreibens eines Rammgliedes in den Boden, durch den Wellenbalg der schallemittierende Bereich von Rammgerät und Rammpfahl oder Spundbohle nicht nur tangential umlaufend eingehaust ist, sondern auch über die Länge des Rammgliedes. Das insofern, als der Wellenbalg, der vorteilhaft an der Stirnseite der Rammhaube befestigt ist, über die Länge des Rammgliedes gezogen wird und schlussendlich der Wellenbalg mit seinem unteren Ende auf dem Boden aufsteht. Entsprechend dem Rammfortschritt verkürzt sich der Wellenbalg sukzessive.Also disclosed is a sound-emitting device comprising a pile driver and a pile driver, e.g. B. a driven pile or a sheet pile, with a corrugated bellows, as has been described above. The pile driver forms the tool, the pile driver the workpiece. According to one feature, the corrugated bellows is connected by at least one holder to the ramming member or the ramming device and here in particular the ram hood of the ramming device. It is advantageous if the ram hood of the piling device, which is the end of the Driving pile or the sheet pile surrounds like a cup, is connected to the corrugated bellows. This in so far as an essentially tight seal can then be achieved in the upper end area of the driven pile. The holder can in this case advantageously be formed by the upper, last edging frame of the corrugated bellows, which in this respect can be screwed to the end face of the ram hood to the ram member. The upper border frame then only covers a leg path. At the lower end, an edging frame can likewise be provided, with which the corrugated bellows stands on the floor and to the extent that the wear on the bellows itself is reduced in this area. From this it becomes clear that the sound-emitting area of the piling device and the driven pile or sheet pile is encased not only tangentially all around, but also over the length of the pile, through bellows with an annular cross-section during the driving of a ram link into the ground. This insofar as the corrugated bellows, which is advantageously attached to the end face of the ram hood, is pulled over the length of the ram member and ultimately the corrugated bellows rests on the ground with its lower end. The corrugated bellows is gradually shortened as the ramming progresses.

Mit den Zeichnungen wird die Erfindung nachstehend beispielhaft anhand einer schallemittierenden Einrichtung mit einem Rammgerät und einem Rammpfahl näher erläutert.

Fig. 1
zeigt schematisch das Rammgerät sowie einen Rammpfahl zum Eintreiben in den Boden;
Fig. 2
zeigt in vergrößerter Darstellung das Rammgerät mit dem daran angeordneten Balg;
Fig. 3
zeigt den Balg in verkürzter Form in perspektivischer Darstellung;
Fig. 4
zeigt ein ringförmig geschlossenes wellenförmiges Element;
Fig. 5
zeigt einen Schnitt gemäß der Linie V-V aus Fig. 4;
Fig. 6
zeigt den Aufbau eines wellenförmigen Elementes im Schnitt.
With the drawings, the invention is explained in more detail below by way of example using a sound-emitting device with a pile driver and a pile driver.
Fig. 1
shows schematically the pile driver and a pile for driving into the ground;
Fig. 2
shows an enlarged illustration of the pile driver with the bellows arranged thereon;
Fig. 3
shows the bellows in a shortened form in a perspective view;
Fig. 4
shows an annularly closed wave-shaped element;
Fig. 5
shows a section along the line VV Fig. 4 ;
Fig. 6
shows the structure of a wave-shaped element in section.

Aus der Darstellung gemäß Fig. 1 ergibt sich ein Fahrzeug 1 mit einem Ausleger 2, wobei der Ausleger 2 einen Führungspfahl 3 hält. Der Führungspfahl 3 weist auf seinem oberen Ende eine Traverse 4 mit mehreren Umlenkungen für einen Seilzug 5 auf, an dem das Rammgerät 10 in vertikaler Richtung beweglich angeordnet ist. Das Rammgerät 10 besitzt an seinem unteren Ende den Balg 20, der in Fig. 1 im zusammengezogenen Zustand dargestellt ist. Unterhalb des Wellenbalges 20 ist der Rammpfahl 12 erkennbar, über den der Wellenbalg 20 über die gesamte Länge zum Zwecke des Schallschutzes übergestülpt wird.From the representation according to Fig. 1 the result is a vehicle 1 with a boom 2, the boom 2 holding a guide post 3. The guide post 3 has on its upper end a traverse 4 with several deflections for a cable pull 5, on which the pile driver 10 is arranged to be movable in the vertical direction. The pile driver 10 has at its lower end the bellows 20, which in Fig. 1 is shown in the contracted state. The driven pile 12 can be seen below the corrugated bellows 20, over which the corrugated bellows 20 is slipped over the entire length for the purpose of soundproofing.

Weitere Einzelheiten zu dem Aufbau des Rammgerätes ergeben sich in Anschauung von Fig. 2. Das Rammgerät 10, das an dem Führungspfahl 3 längsverschieblich gelagert Ist, weist an seinem unteren Ende die Rammhaube 14 auf, die napfartig ausgebildet ist und auf dem oberen Ende des Rammpfahles 12 aufsitzt. An der Stirnseite der Rammhaube 14 ist der insgesamt mit 20 bezeichnete Wellenbalg angeordnet.Further details on the structure of the pile driver can be seen in FIG Fig. 2 . The pile driving device 10, which is mounted on the guide pile 3 so as to be longitudinally displaceable, has at its lower end the driving hood 14, which is cup-shaped and rests on the upper end of the driving pile 12. The corrugated bellows, designated as a whole by 20, is arranged on the end face of the ram hood 14.

Der Wellenbalg 20 erstreckt sich über die Länge des Rammpfahles 12 bis auf den Boden 7, wobei der Wellenbalg am unteren Ende auf dem Boden 7 aufsteht. Das heißt, dass der Rammpfahl 12 durch den Wellenbalg 20 über seinen Umfang und über seine Länge im Wesentlichen hermetisch abgeschlossen ist. Im Verlaufe des Eintreibens des Rammpfahles 12 in den Boden 7 wird der Wellenbalg 20 in axialer Richtung entsprechend dem Rammfortschritt gestaucht.The corrugated bellows 20 extends over the length of the driven pile 12 down to the floor 7, the corrugated bellows standing on the floor 7 at the lower end. This means that the driven pile 12 is essentially hermetically sealed by the corrugated bellows 20 over its circumference and over its length. In the course of driving the driven pile 12 into the Bottom 7, the corrugated bellows 20 is compressed in the axial direction in accordance with the progress of the ramming.

Die Ausbildung des Wellenbalges ergibt sich in Anschauung der Figuren 3 bis 6. Fig. 3 zeigt hierbei den Wellenbalg 20 in verkürzter Darstellung. Erkennbar umfasst der Wellenbalg 20 eine Mehrzahl von in Reihe miteinander verbundenen wellenförmigen Elementen 22, die im Bereich des Übergangs eines wellenförmigen Elementes zu dem benachbarten wellenförmigen Element miteinander verbunden sind. Ein solches wellenförmiges Element 22 und dessen Verbindung zu dem benachbarten wellenförmigen Element 22 ist der Darstellung gemäß Fig. 4 und Fig. 5 zu entnehmen. Erkennbar ist dort, dass auf der Außenseite des wellenförmigen Elementes 22 im Bereich der Verbindung zweier benachbarter wellenförmiger Elemente 22 untereinander die beiden wellenförmigen Elemente 22 nicht nur durch Verkleben und/oder Vernähen miteinander verbunden sind, sondern darüber hinaus vorteilhaft auch durch einen mit 24 bezeichneten Einfassrahmen, der den Übergangsbereich zwischen zwei wellenförmigen Elementen geschlossen umlaufend erfasst. Am oberen Ende des Wellenbalges 20 kann der letzte obere Einfassrahmen 24 zur Befestigung an der Pfahlhaube 14 vorgesehen sein. Das heißt, dass der Wellenbalg 20 mit dem letzten oberen Einfassrahmen 24 mit der Stirnseite der napfförmigen Pfahlhaube 14 im Übergang zum Rammpfahl 12 insbesondere verschraubt ist. Ebenfalls kann vorgesehen sein, dass der Wellenbalg 20 mit dem letzten unteren Einfassrahmen 24 zur Verringerung des Verschleißes auf dem Boden 7 aufsteht.The formation of the corrugated bellows can be seen in the Figures 3 to 6 . Fig. 3 shows the corrugated bellows 20 in a shortened representation. It can be seen that the corrugated bellows 20 comprises a plurality of wave-shaped elements 22 connected to one another in series, which are connected to one another in the region of the transition from one wave-shaped element to the adjacent wave-shaped element. Such a wave-shaped element 22 and its connection to the adjacent wave-shaped element 22 is shown in accordance with the illustration FIGS. 4 and 5 refer to. It can be seen there that on the outside of the wave-shaped element 22 in the area of the connection between two adjacent wave-shaped elements 22, the two wave-shaped elements 22 are not only connected to one another by gluing and / or sewing, but also advantageously by a border frame labeled 24 , which encompasses the transition area between two wave-shaped elements in a closed, circumferential manner. At the upper end of the corrugated bellows 20, the last upper edging frame 24 can be provided for attachment to the pile hood 14. This means that the corrugated bellows 20 with the last upper border frame 24 is in particular screwed to the end face of the cup-shaped pile hood 14 in the transition to the driven pile 12. It can also be provided that the corrugated bellows 20 with the last lower border frame 24 stands up on the floor 7 in order to reduce wear.

Aus der Fig. 3 ist des Weiteren zu entnehmen, dass der Wellenbalg 20 zur Bildung der kreisringförmigen wellenförmigen Elemente 22 zwei halbkreisförmige Ringsegmente 27 aufweist, die zur Bildung des kreisringförmigen wellenförmigen Elementes 22 an den Stoßstellen 29 überlappend miteinander vernäht und/oder verklebt sind.From the Fig. 3 It can also be seen that the corrugated bellows 20 has two semicircular ring segments 27 to form the annular, undulating elements 22, which are sewn and / or glued to one another in an overlapping manner at the joints 29 to form the annular, undulating element 22.

Der Aufbau der Wellenform eines wellenförmigen Elementes 22 bzw. des halbkreisförmigen Ringsegments 27 ergibt sich aus der Schnittdarstellung gemäß Fig. 5. Hierbei weist das wellenförmige Element 22 im Querschnitt zwei Schenkelbereiche auf, die durch die Pfeile 31 und 32 markiert sind. In den beiden Schenkelbereichen 31, 32 ist jeweils eine erste und eine zweite mit einem Elastomer beschichtete Schenkelbahn 33, 34 angeordnet, die im Steg- oder Scheitelbereich 35 durch eine dritte mit einem Elastomer beschichtete Stegbahn 36 durch Nähen und/oder Verkleben verbunden sind.The structure of the wave shape of a wave-shaped element 22 or of the semicircular ring segment 27 results from the sectional illustration according to FIG Fig. 5 . Here, the wave-shaped element 22 has two leg regions in cross section, which are marked by the arrows 31 and 32. In each of the two leg regions 31, 32 there is a first and a second leg web 33, 34 coated with an elastomer, which are connected in the web or apex region 35 by a third web 36 coated with an elastomer by sewing and / or gluing.

Im Bereich des Übergangs zweier wellenförmiger Elemente 22 ist, wie bereits ausgeführt, jeweils ein Einfassrahmen 24 vorgesehen, der ringförmig umlaufend die Schenkelbahnen zweier benachbarter wellenförmiger Elemente 22 erfasst.In the region of the transition between two wave-shaped elements 22, as already stated, a respective edging frame 24 is provided, which encompasses the leg paths of two adjacent wave-shaped elements 22 in a ring-shaped manner.

Der Aufbau der Schenkelbahn 33, 34 und der Stegbahn 36 ergibt sich in Anschauung von Fig. 6. Hierbei ist ein Festigungsträger 40 als eine Lage eines Stoffes, z. B. als Gewebe oder Gewirk, vorgesehen, wobei der Festigungsträger 40 zumindest auf einer, vorteilhaft aber auf beiden Seiten eine Schicht 42 aus einem Elastomer, z. B. EPDM, aufweist. Es können auch mehrere Festigungsträger 40 übereinander angeordnet vorgesehen sein, wobei die einzelnen Festigungsträger durch Schichten 42 aus Elastomer untereinander verbunden sind. Das heißt, der oder die Festigungsträger 40 als einzelne Lagen sind allseits in Schichten 42 aus Elastomer eingebettet.The structure of the leg web 33, 34 and the web web 36 can be seen in FIG Fig. 6 . Here, a fastening support 40 is used as a layer of material, e.g. B. as a woven or knitted fabric, provided, the reinforcement carrier 40 at least on one, but advantageously on both sides, a layer 42 made of an elastomer, for. B. EPDM. A plurality of fastening supports 40 can also be provided one above the other, the individual fastening supports being connected to one another by layers 42 of elastomer. That is to say, the reinforcement support or supports 40 as individual layers are embedded on all sides in layers 42 made of elastomer.

Bezugszeichenliste:List of reference symbols:

11
Fahrzeugvehicle
22
Auslegerboom
33
FührungspfahlGuide post
44th
Traversetraverse
55
SeilzugCable
77th
Bodenfloor
1010
RammgerätPile driver
1212th
RammpfahlDriven pile
1414th
RammhaubeRam hood
2020th
WellenbalgBellows
2222nd
wellenförmiges Elementwavy element
2424
EinfassrahmenEdging frame
2626th
MittellängsachseCentral longitudinal axis
2727
RingsegmentRing segment
2929
Stoßstelle zwischen zwei RingsegmentenJoint between two ring segments
3131
SchenkelbereichThigh area
3232
SchenkelbereichThigh area
3333
erste Schenkelbahnfirst leg track
3434
zweite Schenkelbahnsecond leg track
3535
ScheitelbereichApex area
3636
StegbahnFootbridge
4040
FestigungsträgerReinforcement beams
4242
Schicht aus ElastomerLayer of elastomer

Claims (14)

  1. A noise emitting device comprising a tool in the form of a pile driver (10) and a workpiece in the form of a driven pile (12) or of a sheet pile, wherein the driven pile (12), respectively the sheet pile, is provided for manipulation by the tool and wherein a bellows is arranged at the pile driver )10) and/or at the driven pile, respectively the sheet pile, to reduce the noise emission, with the bellows at least substantially surrounding the noise emitting region of the tool and workpiece,
    characterized in that
    the bellows is formed as a corrugated bellows (20).
  2. A noise emitting device in accordance with claim 1,
    characterized in that
    the corrugated bellows (20) comprises a plurality of elements (22) that are arranged in rows, are corrugated in cross-section, and are connected to one another in the region of the transition from one corrugated element (22) to an adjacent corrugated element (22), with the corrugated elements (22) being closed in ring form .
  3. A noise emitting device in accordance with claim 2,
    characterized in that
    two respective bounding frames (24) that bound corrugated elements (22) and that are U-shaped in cross-section are provided in the region of the connection of the corrugated elements (22) to one another.
  4. A noise emitting device in accordance with claim 3,
    characterized in that
    the bounding frames (24) are formed in a circularly peripheral manner.
  5. A noise emitting device in accordance with one of the claims 2 to 4,
    characterized in that
    the corrugated elements (22) are arched in the direction toward the longitudinal center axis (26) of the corrugated bellows (20).
  6. A noise emitting device in accordance with one of the claims 2 to 5,
    characterized in that
    the corrugated frames (22) are formed in a circular manner.
  7. A noise emitting device in accordance with one of the claims 2 to 6,
    characterized in that
    the ring-shaped corrugated element (22) has at least two ring segments (27), with the two ring segments (27) being connected to one another.
  8. A noise emitting device in accordance with claim 7,
    characterized in that
    the two ring segments (27) are sewn and/or adhesively bonded to one another for the connection.
  9. A noise emitting device in accordance with one of the claims 2 to 8,
    characterized in that
    the corrugated element (22) has at least one reinforcement (40) coated with an elastomer.
  10. A noise emitting device in accordance with claim 9,
    characterized in that
    the reinforcement (40) is formed as a material, in particular as a fabric.
  11. A noise emitting device in accordance with claim 9 or claim 10,
    characterized in that
    the corrugated element (22) has two flank regions (31, 32) and one web region in cross-section, with respective first and second flank tracks (33, 34) of a reinforcement (40) coated with an elastomer being provided in the flank region (31, 32), and with the two flank tracks (33, 34) being connected by a web track (36) of a reinforcement (40) coated with an elastomer.
  12. A noise emitting device in accordance with claim 11,
    characterized in that
    the first and second flank tracks (33, 34) of a corrugated element (22) having the respective corresponding flank track (33, 34) of the adjacent corrugated element (22) are bounded by the bounding frame (24) closed in a circularly peripheral manner.
  13. A noise emitting device in accordance with one of the preceding claims,
    characterized in that
    the corrugated bellows (20) is connected by at least one holder to the driven pile (12) or to the sheet pile or to the pile driver (10).
  14. A noise emitting device in accordance with claim 13,
    characterized in that
    the holder is formed by the upper bounding frame (24) of the corrugated bellows (20).
EP15196044.0A 2015-11-24 2015-11-24 Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member Active EP3173532B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201531723T SI3173532T1 (en) 2015-11-24 2015-11-24 Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member
EP15196044.0A EP3173532B1 (en) 2015-11-24 2015-11-24 Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15196044.0A EP3173532B1 (en) 2015-11-24 2015-11-24 Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member

Publications (2)

Publication Number Publication Date
EP3173532A1 EP3173532A1 (en) 2017-05-31
EP3173532B1 true EP3173532B1 (en) 2021-08-25

Family

ID=54705036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15196044.0A Active EP3173532B1 (en) 2015-11-24 2015-11-24 Bellows for reducing the noise emissions of a noise emitting device and noise emitting device comprising a ramming device and ramming member

Country Status (2)

Country Link
EP (1) EP3173532B1 (en)
SI (1) SI3173532T1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761285B (en) * 2019-10-12 2020-08-25 河海大学 Honeycomb array spoiler type sound field damping net and noise prevention method during offshore piling

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455634A (en) * 1974-04-05 1976-11-17 Hollandsche Betongroep Nv Piledriving
DE102005032218A1 (en) * 2005-07-09 2007-01-11 Hübner GmbH Device for covering the gap joint (Spurfugenabdeckung) between the turntable and the bellows of a transition between two articulated vehicle parts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3173532A1 (en) 2017-05-31
SI3173532T1 (en) 2021-11-30

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