EP2669436B1 - Ramming and traction device - Google Patents

Ramming and traction device Download PDF

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Publication number
EP2669436B1
EP2669436B1 EP20120170034 EP12170034A EP2669436B1 EP 2669436 B1 EP2669436 B1 EP 2669436B1 EP 20120170034 EP20120170034 EP 20120170034 EP 12170034 A EP12170034 A EP 12170034A EP 2669436 B1 EP2669436 B1 EP 2669436B1
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EP
European Patent Office
Prior art keywords
accordance
carriage
ram
cells
coupling part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP20120170034
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German (de)
French (fr)
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EP2669436A1 (en
Inventor
Christian Heichel
Albrecht Kleibl
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ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
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ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
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Application filed by ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH filed Critical ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Priority to EP20120170034 priority Critical patent/EP2669436B1/en
Priority to US13/889,563 priority patent/US20130322971A1/en
Publication of EP2669436A1 publication Critical patent/EP2669436A1/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles

Definitions

  • the invention relates to a device for introducing a Hinttelstopfklale in a subsoil according to claim 1.
  • a vibrator which is guided on a leader, is applied to the pipe to be introduced and firmly connected to the pipe.
  • this compound is burdened by bending moments caused by the lateral drifting of the pipe in the ground.
  • the vibrator transmits the bending moments to the leader via the guides with which he is connected to the leader.
  • the bending moments load the connection between the vibrator and the tube, the guides between the vibrator and the leader and the leader himself.
  • the filling of the tube usually takes place only after introduction of the tube into the ground on the supporting layer, since the filling is the easiest way via a hopper by means of an excavator or the like.
  • the filling is hindered by the inserted vibrator, which is located above the funnel.
  • the invention aims to remedy this situation.
  • the invention is based on the object to provide a device for introducing a Hinttelstopfklale in a ground, which allows a simplified handling of the tube and its filling and in which the connection between the vibrator and pipe is not burdened by bending moments. According to the invention, this object is solved by the features of claim 1.
  • the invention provides a device for ramming or pulling a Rammgutes, especially a Rüttelstopflanze created in or from the ground, which allows a simplified handling of the tube and its filling and in the connection between the vibrator and tube or tubular lance not through Bending moments, resulting from the possible lateral drifting of the pipe in the ground, is charged.
  • the at least two exciter cells which together give a vibrator, are connected via a coupling part with the tubular lance.
  • the at least two excitation cells are designed so that their unbalance masses synchronize themselves during the rotation, in such a way that the vertical force components add and largely eliminate the horizontal force components. As a result, a resultant force is achieved substantially parallel to the effective direction.
  • each excitation cell is provided with a separate rotary drive which is designed to rotate the at least one imbalance mass of the respective exciter cell.
  • means for stabilizing the synchronous operation of the at least two exciter cells are arranged.
  • electrical stabilizers can be used.
  • controlled settling of the exciter cells is possible.
  • the coupling part is connected to a carriage, via which it is displaceably mounted along a Gurklers.
  • the device can be coupled as work equipment directly without the need for additional components to a leader.
  • the carriage is connected to a guided on the leader base slide, which is acted upon by a drive with tensile and / or compressive forces.
  • the base carriage is preferably resiliently connected via flexible elements, in particular elastomers with the carriage.
  • a console is attached to the base carriage, which is provided with flexible elements, in particular elastomers, via which the console is connected to the carriage. This makes it possible to apply the Rammgut with simultaneous vibration damping with a biasing or pulling force, which is applied by the broker.
  • a hopper for filling the lance is arranged, which is connected via damping elements with the coupling part or the tubular lance.
  • the design of such a one-piece lance with integrated filling unit enables easy positioning and insertion of the lance into the ground with simultaneous introduction of filling material into the lance.
  • the lance has a flange which is screwed to a provided on the coupling part flange.
  • the funnel is further connected to the carriage via damping elements.
  • the tubular lance is double-walled.
  • a connection for acting on the cavity formed between the two walls is arranged with compressed air.
  • the croquttelstopfvorraum chosen as an embodiment consists essentially of a coupling part 1, which is connected to a carriage 2 and provided with two oppositely arranged exciter cells 3.
  • the coupling part 1 is fixedly connected to a tubular lance 4 and the lance 4 is resiliently connected to a funnel 5 for filling the lance 4 opposite.
  • the coupling part 1 is guided via the carriage 2 on a broker 8, which is connected via a console 6 with the base carriage 7 of the leader 8.
  • the coupling part 1 is formed by a substantially rectangular base plate 11 which has a central flange 12 for fixing the lance 4.
  • the flange 12 opposite to the inlet plate 13 is arranged on the base plate 11, which is fixed on both sides via two vertical support plates 14.
  • the holding plates 14 are at the same time with the base plate 11 receptacles 15 for the exciter cells 3.
  • the coupling part 1 is connected by welding to the carriage 2.
  • the carriage 2 consists essentially of a cuboid frame 21 which is provided on the back with guide elements 22 for receiving the leader rails 81. On its side opposite the guide elements 22 are further attached to the carriage 2, two end opposite cantilevered outward wings 23 for resilient attachment of the funnel 5 via damping elements 51.
  • the carriage 2 is resiliently connected via inside the frame 21 in pairs oppositely disposed elastomeric blocks 24 with the console 6, which penetrates the frame 21 of the carriage 2 along its central axis.
  • the console 6 consists essentially of a rectangular profile, at its opposite ends of the carriage 2 is provided a connection piece 62 for connection to the Telklercampusschlitten 7.
  • the excitation cells 3 each comprise a housing 31 in which a - not shown - rotatably mounted shaft is arranged, which is provided with a - not shown - imbalance mass.
  • the shaft is connected to a rotary drive 32 which is fixed to the respective housing 31.
  • the excitation cells formed in this way are attached to the base plate 11 of the coupling part 1 on both sides of the inlet nozzle 13 adjacent to the respectively associated holding plate 14.
  • the lance 4 is formed in the embodiment as a cylindrical tube, on whose the coupling part 1 facing the end of a flange 41 is formed.
  • the flange 41 is bolted to the flange 12 of the coupling part 1.
  • the hopper 5 is connected via damping elements 51 to the inlet port 13 and elastomer blocks 24 to the frame 21 of the carriage 2.
  • the base carriage 7 is connected via a bolt lock 71 with the connector 62 of the console 6.
  • mounting plates 72 are attached to the base carriage 7 for attachment of tension cables (not shown) via which the base carriage 7 can be subjected to pressure or tensile forces.

Description

Die Erfindung betrifft eine Vorrichtung zur Einbringung einer Rüttelstopfsäule in einen Baugrund nach dem Patentanspruch 1.The invention relates to a device for introducing a Rüttelstopfsäule in a subsoil according to claim 1.

Zur Erhöhung der Tragfähigkeit eines Baugrunds ist es z.B. aus der DE 10 2004 013 790 A bekannt, diesen durch das Verfahren der Rüttelstopfverdichtung zu verbessern. Dabei werden in die Last aufzunehmenden Bereiche des Baugrunds so genannten Rüttelstopfsäulen eingebracht. Dies geschieht, in dem ein Rohr, auf den Baugrund aufgesetzt wird und mittels eines Vibrators bis auf den tragenden Grund eingebracht wird, wobei das lockere Erdreich seitlich verdrängt wird. Das Rohr wird mit geeignetem Zugabematerial, wie Kies oder Schotter befüllt und anschließend gezogen, wobei fortlaufend an der dem Grund zugewandten Seite des Rohres Material austritt, dass durch mehrfaches alternierendes Absenken des Rohres weiter verdichtet wird. Hierdurch wird im Boden eine Säule aus dem verdichteten Zugabematerial hergestellt, welche als Rüttelstopfsäule bezeichnet wird.To increase the carrying capacity of a subsoil, it is for example from the DE 10 2004 013 790 A known to improve this by the method of Rüttelstopfverdichtung. Here are introduced into the load areas of the ground so-called Rüttelstopfsäulen. This happens, in which a pipe is placed on the ground and is introduced by means of a vibrator to the supporting ground, the loose soil is displaced laterally. The tube is filled with suitable addition material, such as gravel or crushed stone and then pulled, wherein continuously emerges on the ground-facing side of the tube material that is further compressed by repeated alternating lowering of the tube. As a result, a column of the compacted addition material is produced in the soil, which is referred to as Rüttelstopfsäule.

Bei dem vorgenannten Verfahren wird ein Vibrator, der an einem Mäkler geführt ist, an das einzubringende Rohr angelegt und fest mit dem Rohr verbunden. In der Praxis ist diese Verbindung durch Biegemomente belastet, die durch das seitliche Abdriften des Rohres im Boden entstehen. Der Vibrator überträgt die Biegemomente über die Führungen, mit denen er mit dem Mäkler verbunden ist, auf den Mäkler. Somit werden durch die Biegemomente die Verbindung zwischen Vibrator und Rohr, die Führungen zwischen Vibrator und Mäkler sowie der Mäkler selbst belastet.In the aforementioned method, a vibrator, which is guided on a leader, is applied to the pipe to be introduced and firmly connected to the pipe. In practice, this compound is burdened by bending moments caused by the lateral drifting of the pipe in the ground. The vibrator transmits the bending moments to the leader via the guides with which he is connected to the leader. Thus, the bending moments load the connection between the vibrator and the tube, the guides between the vibrator and the leader and the leader himself.

Darüber hinaus erfolgt die Befüllung des Rohres meist erst nach Einbringung des Rohres in den Baugrund auf die tragende Schicht, da hier die Befüllung über einen Trichter mittels eines Baggers oder ähnlichen am einfachsten ist. Die Befüllung wird dabei durch den eingesetzten Vibrator, der sich oberhalb des Trichters befindet, behindert.In addition, the filling of the tube usually takes place only after introduction of the tube into the ground on the supporting layer, since the filling is the easiest way via a hopper by means of an excavator or the like. The filling is hindered by the inserted vibrator, which is located above the funnel.

Hier will die Erfindung Abhilfe schaffen. Der Erfindung liegt die Aufgabe zu Grunde, eine Vorrichtung zur Einbringung einer Rüttelstopfsäule in einen Baugrund zu schaffen, welche eine vereinfachte Handhabung des Rohres sowie dessen Befüllung ermöglicht und bei der die Verbindung zwischen Vibrator und Rohr nicht durch Biegemomente belastet wird. Gemäß der Erfindung wird diese Aufgabe durch die Merkmale des Patentanspruchs 1 gelöst.The invention aims to remedy this situation. The invention is based on the object to provide a device for introducing a Rüttelstopfsäule in a ground, which allows a simplified handling of the tube and its filling and in which the connection between the vibrator and pipe is not burdened by bending moments. According to the invention, this object is solved by the features of claim 1.

Mit der Erfindung ist eine Vorrichtung zum Rammen oder Ziehen eines Rammgutes, insbesondere einer Rüttelstopflanze in den bzw. aus dem Boden geschaffen, die eine vereinfachte Handhabung des Rohres sowie dessen Befüllung ermöglicht und bei der die Verbindung zwischen Vibrator und Rohr bzw. rohrförmiger Lanze nicht durch Biegemomente, die aus dem möglichen seitlichen Wegdriften des Rohrs im Boden resultieren, belastet wird. Die wenigstens zwei Erregerzellen, die zusammen einen Vibrator ergeben, sind über ein Koppelteil mit der rohrförmigen Lanze verbunden. Weiterhin sind die wenigstens zwei Erregerzellen so ausgeführt, dass sich ihre Unwuchtmassen bei der Rotation selbst synchronisieren, und zwar derart, dass sich die vertikalen Kraftanteile addieren und die horizontalen Kraftanteile weitgehend eliminieren. Hierdurch ist eine resultierende Kraft im Wesentlichen parallel zur Wirkrichtung erzielt.The invention provides a device for ramming or pulling a Rammgutes, especially a Rüttelstopflanze created in or from the ground, which allows a simplified handling of the tube and its filling and in the connection between the vibrator and tube or tubular lance not through Bending moments, resulting from the possible lateral drifting of the pipe in the ground, is charged. The at least two exciter cells, which together give a vibrator, are connected via a coupling part with the tubular lance. Furthermore, the at least two excitation cells are designed so that their unbalance masses synchronize themselves during the rotation, in such a way that the vertical force components add and largely eliminate the horizontal force components. As a result, a resultant force is achieved substantially parallel to the effective direction.

Bevorzugt sind genau zwei Erregerzellen angeordnet, wobei vorzugsweise jede Erregerzelle mit einem separaten Drehantrieb versehen ist, der derart ausgelegt ist, die wenigstens eine Unwuchtmasse der jeweiligen Erregerzelle zu drehen.Preferably, exactly two excitation cells are arranged, wherein preferably each excitation cell is provided with a separate rotary drive which is designed to rotate the at least one imbalance mass of the respective exciter cell.

In Weiterbildung der Erfindung sind Mittel zur Stabilisierung des Synchronbetriebs der wenigstens zwei Erregerzellen angeordnet. Hierzu können insbesondere elektrische Stabilisatoren zum Einsatz kommen. Hierdurch ist gesteuertes Einschwingen der Erregerzellen ermöglicht.In a development of the invention, means for stabilizing the synchronous operation of the at least two exciter cells are arranged. For this purpose, in particular electrical stabilizers can be used. As a result, controlled settling of the exciter cells is possible.

In Ausgestaltung der Erfindung ist das Koppelteil mit einem Schlitten verbunden, über den es entlang eines Mäklers verschiebbar gelagert ist. Hierdurch ist die Vorrichtung als Arbeitsgerät direkt ohne das Erfordernis weiterer Bauteile an einen Mäkler ankoppelbar.In an embodiment of the invention, the coupling part is connected to a carriage, via which it is displaceably mounted along a Mäklers. As a result, the device can be coupled as work equipment directly without the need for additional components to a leader.

In weiterer Ausgestaltung der Erfindung ist der Schlitten mit einem auf dem Mäkler geführten Grundschlitten verbunden, der über einen Antrieb mit Zug- und/oder Druckkräften beaufschlagbar ist. Dabei ist der Grundschlitten bevorzugt über flexible Elemente, insbesondere Elastomere mit dem Schlitten federnd verbunden. Hierdurch ist die Übertragung der von den Erregerzellen erzeugten Schwingungen auf den Mäklern vermindert.In a further embodiment of the invention, the carriage is connected to a guided on the leader base slide, which is acted upon by a drive with tensile and / or compressive forces. In this case, the base carriage is preferably resiliently connected via flexible elements, in particular elastomers with the carriage. As a result, the transmission of vibrations generated by the exciter cells is reduced on the Mäklern.

In weiterer Ausgestaltung der Erfindung ist an dem Grundschlitten eine Konsole befestigt, welche mit flexiblen Elementen, insbesondere Elastomeren, versehen ist, über welche die Konsole mit dem Schlitten verbunden ist. Hierdurch ist es möglich, das Rammgut bei gleichzeitiger Schwingungsdämpfung mit einer Vorspann- oder Zugkraft, die vom Mäkler aufgebracht wird, zu beaufschlagen.In a further embodiment of the invention, a console is attached to the base carriage, which is provided with flexible elements, in particular elastomers, via which the console is connected to the carriage. This makes it possible to apply the Rammgut with simultaneous vibration damping with a biasing or pulling force, which is applied by the broker.

In weiterer Ausgestaltung der Erfindung ist ein Fülltrichter zur Befüllung der Lanze angeordnet, der über Dämpfungselemente mit dem Koppelteil bzw. der rohrförmigen Lanze verbunden ist. Durch die Ausgestaltung einer solchen einteiligen Lanze mit integrierter Einfülleinheit ist eine einfache Positionierung und Einbringung der Lanze in den Baugrund bei gleichzeitiger Einbringung von Füllmaterial in die Lanze ermöglicht. Bevorzugt weist die Lanze einen Flansch auf, der mit einem an dem Koppelteil vorgesehenen Flansch verschraubt ist. Vorteilhaft ist der Trichter über Dämpfungselemente weiterhin mit dem Schlitten verbunden.In a further embodiment of the invention, a hopper for filling the lance is arranged, which is connected via damping elements with the coupling part or the tubular lance. The design of such a one-piece lance with integrated filling unit enables easy positioning and insertion of the lance into the ground with simultaneous introduction of filling material into the lance. Preferably, the lance has a flange which is screwed to a provided on the coupling part flange. Advantageously, the funnel is further connected to the carriage via damping elements.

In weiterer Ausgestaltung der Erfindung ist die rohrförmige Lanze doppelwandig ausgebildet. Bevorzugt ist ein Anschluss zur Beaufschlagung des zwischen den beiden Wänden gebildeten Hohlraums mit Pressluft angeordnet. Bei der Rüttelstopfverdichtung von Gewässergründen ist so eine steuerbare Erhöhung des Auftriebs der Lanze in dem Gewässer ermöglicht, wodurch die von dem Trägergerät zu erbringende Zugleistung erheblich gemindert werden kann. Insbesondere für Baugrundverbesserungsmaßnahmen in Gewässern weist die Wandung in einer weiteren Ausbildung der Erfindung seitliche Öffnungen auf. Diese Öffnungen dienen dem Austritt von durch eingebrachtes Stopfmaterial verdrängtem Wasser. Hierdurch ist der Rüttelstopfprozess weiter verbessert.In a further embodiment of the invention, the tubular lance is double-walled. Preferably, a connection for acting on the cavity formed between the two walls is arranged with compressed air. When Rüttelstopfverdichtung of water bodies so a controllable increase in the buoyancy of the lance in the water is possible, whereby the train to be provided by the carrier train performance can be significantly reduced. In particular, for ground improvement measures in waters, the wall in a further embodiment of the invention has lateral openings. These openings serve to discharge water displaced by introduced stuffing material. As a result, the Rüttelstopfprozess is further improved.

Andere Weiterbildungen und Ausgestaltungen der Erfindung sind in den übrigen Unteransprüchen angegeben. Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird nachfolgend im Einzelnen beschrieben. Es zeigen:

Figur 1
die schematische Darstellung einer Vorrichtung zur Einbringung einer Rüttelstopfsäule in den Boden;
Figur 2
die Darstellung der Vorrichtung aus Figur 1 in der Vorderansicht;
Figur 3
die Darstellung der Vorrichtung aus Figur 1 in der Ansicht von hinten und
Figur 4
die Darstellung der Vorrichtung aus Figur 1 in einer weiteren räumlichen Ansicht.
Other developments and refinements of the invention are specified in the remaining subclaims. An embodiment of the invention is illustrated in the drawings and will be described in detail below. Show it:
FIG. 1
the schematic representation of an apparatus for introducing a Rüttelstopfsäule in the ground;
FIG. 2
the representation of the device FIG. 1 in front view;
FIG. 3
the representation of the device FIG. 1 in the view from behind and
FIG. 4
the representation of the device FIG. 1 in a further spatial view.

Die als Ausführungsbeispiel gewählte Rüttelstopfvorrichtung besteht im Wesentlichen aus einem Koppelteil 1, das mit einem Schlitten 2 verbunden und mit zwei gegenüberliegend angeordneten Erregerzellen 3 versehen ist. Das Koppelteil 1 ist mit einer rohrförmigen Lanze 4 fest verbunden und der Lanze 4 gegenüberliegend federnd mit einen Trichter 5 zur Befüllung der Lanze 4 verbunden. Das Koppelteil 1 ist über den Schlitten 2 auf einem Mäkler 8 geführt, der über eine Konsole 6 mit dem Grundschlitten 7 des Mäklers 8 verbunden ist.The Rüttelstopfvorrichtung chosen as an embodiment consists essentially of a coupling part 1, which is connected to a carriage 2 and provided with two oppositely arranged exciter cells 3. The coupling part 1 is fixedly connected to a tubular lance 4 and the lance 4 is resiliently connected to a funnel 5 for filling the lance 4 opposite. The coupling part 1 is guided via the carriage 2 on a broker 8, which is connected via a console 6 with the base carriage 7 of the leader 8.

Das Koppelteil 1 ist gebildet durch eine im Wesentlichen rechteckig ausgebildete Grundplatte 11 die mittig einen Flansch 12 zur Befestigung der Lanze 4 aufweist. Dem Flansch 12 gegenüberliegend ist auf der Grundplatte 11 ein Einlassstutzen 13 angeordnet, der beidseitig über zwei vertikale Halteplatten 14 fixiert ist. Die Halteplatten 14 sind gleichzeitig mit der Grundplatte 11 Aufnahmen 15 für die Erregerzellen 3. Das Koppelteil 1 ist durch Schweißverbindungen mit dem Schlitten 2 verbunden.The coupling part 1 is formed by a substantially rectangular base plate 11 which has a central flange 12 for fixing the lance 4. The flange 12 opposite to the inlet plate 13 is arranged on the base plate 11, which is fixed on both sides via two vertical support plates 14. The holding plates 14 are at the same time with the base plate 11 receptacles 15 for the exciter cells 3. The coupling part 1 is connected by welding to the carriage 2.

Der Schlitten 2 besteht im Wesentlichen aus einem quaderförmigen Rahmen 21, der Rückseitig mit Führungselementen 22 zur Aufnahme der Mäklerschienen 81 versehen ist. An seiner den Führungselementen 22 gegenüberliegenden Seite sind an dem Schlitten 2 weiterhin zwei endseitig gegenüberliegend nach außen kragende Flügel 23 zur federnden Befestigung des Trichters 5 über Dämpfungselemente 51 angebracht. Der Schlitten 2 ist über innerhalb des Rahmens 21 paarweise gegenüberliegend angeordnete Elastomerblöcke 24 mit der Konsole 6 federnd verbunden, welche den Rahmen 21 des Schlittens 2 entlang seiner Mittelachse durchdringt.The carriage 2 consists essentially of a cuboid frame 21 which is provided on the back with guide elements 22 for receiving the leader rails 81. On its side opposite the guide elements 22 are further attached to the carriage 2, two end opposite cantilevered outward wings 23 for resilient attachment of the funnel 5 via damping elements 51. The carriage 2 is resiliently connected via inside the frame 21 in pairs oppositely disposed elastomeric blocks 24 with the console 6, which penetrates the frame 21 of the carriage 2 along its central axis.

Die Konsole 6 besteht im Wesentlichen aus einem Rechteckprofil, an dessen dem Schlitten 2 gegenüberliegenden Enden einem Anschlussstück 62 zur Verbindung mit dem Mäklergrundschlitten 7 versehen ist. Die Erregerzellen 3 umfassen jeweils ein Gehäuse 31 in dem eine - nicht dargestellte - drehbar gelagerte Welle angeordnet ist, die mit einer - nicht dargestellten - Unwuchtmasse versehen ist. Die Welle ist mit einem Drehantrieb 32 verbunden, der an dem jeweiligen Gehäuse 31 befestigt ist. Die so ausgebildeten Erregerzellen sind auf der Grundplatte 11 des Koppelteils 1 beidseitig des Einlassstutzens 13 an der jeweils zugeordneten Halteplatte 14 anliegend befestigt.The console 6 consists essentially of a rectangular profile, at its opposite ends of the carriage 2 is provided a connection piece 62 for connection to the Mäklergrundschlitten 7. The excitation cells 3 each comprise a housing 31 in which a - not shown - rotatably mounted shaft is arranged, which is provided with a - not shown - imbalance mass. The shaft is connected to a rotary drive 32 which is fixed to the respective housing 31. The excitation cells formed in this way are attached to the base plate 11 of the coupling part 1 on both sides of the inlet nozzle 13 adjacent to the respectively associated holding plate 14.

Die Lanze 4 ist im Ausführungsbeispiel als zylindrisches Rohr ausgebildet, an dessen dem Koppelteil 1 zugewandten Ende ein Flansch 41 angeformt ist. Der Flansch 41 ist mit dem Flansch 12 des Koppelteils 1 verschraubt.The lance 4 is formed in the embodiment as a cylindrical tube, on whose the coupling part 1 facing the end of a flange 41 is formed. The flange 41 is bolted to the flange 12 of the coupling part 1.

Der Trichter 5 ist über Dämpfungselemente 51 mit dem Einlassstutzen 13 sowie über Elastomerblöcke 24 mit dem Rahmen 21 des Schlittens 2 verbunden.The hopper 5 is connected via damping elements 51 to the inlet port 13 and elastomer blocks 24 to the frame 21 of the carriage 2.

Der Grundschlitten 7 ist über eine Bolzenverriegelung 71 mit dem Anschlussstück 62 der Konsole 6 verbunden. Beidseitig der Bolzenverriegelung 71 sind an dem Grundschlitten 7 Aufnahmeplatten 72 zur Befestigung von - nicht dargestellten - Zugseilen angebracht, über welche der Grundschlitten 7 mit Druck- bzw. Zugkräften beaufschlagbar ist.The base carriage 7 is connected via a bolt lock 71 with the connector 62 of the console 6. On both sides of the bolt lock 71 mounting plates 72 are attached to the base carriage 7 for attachment of tension cables (not shown) via which the base carriage 7 can be subjected to pressure or tensile forces.

Claims (12)

  1. Device for inserting vibration-compacted piles into subsoil with a tubular ram (4) which is joined to a coupling part (1) to which at least two exciter cells (3) are attached being radially distributed around the centre axis of the ram (4), which cells each have a housing (31) in which at least one shaft with at least one unbalanced mass is arranged, and which is connected to at least one rotation drive unit (32),characterised in that at least two exciter cells (3) are aligned in such a way that, during operation, the unbalanced masses of the exciter cells (3) synchronise themselves.
  2. Device in accordance with claim 1, characterised in that exactly two single-shaft exciter cells (3) are arranged.
  3. Device in accordance with claim 1 or claim 2, characterised in that means of stabilising the synchronous operation of the exciter cells (3) are provided.
  4. Device in accordance with any of the aforementioned claims, characterised in that the coupling part (1) is joined to a carriage (2) by means of which it is mounted to be moved along a leader (8).
  5. Device in accordance with claim 4, characterised in that the carriage (2) is connected to a base carriage (7) which is guided on the leader (8) and which can be subjected to traction and/or ramming forces by a drive unit.
  6. Device in accordance with claim 5, characterised in that the base carriage (7) is connected resiliently to the carriage (2) via flexible elements, in particular by elastomers (24).
  7. Device in accordance with claim 6, characterised in that a console (6) is attached to the base carriage (7) and which is fitted with flexible elements, in particular with elastomers (24), via which the console (6) is connected to the carriage (2).
  8. Device in accordance with any of the aforementioned claims, characterised in that a funnel (5) for loading the ram (4) is provided, which funnel is attached via damping elements.
  9. Device in accordance with claim 8, characterised in that the ram has a flange (41) which is bolted to a flange (12) provided on the coupling part (1).
  10. Device in accordance with any of the aforementioned claims, characterised in that the tubular ram (4) is formed with a double wall.
  11. Device in accordance with claim 10, characterised in that a connection is provided for pressurising the cavity formed between the walls of the tubular ram (4) with compressed air.
  12. Device in accordance with any of the aforementioned claims, characterised in that the wall of the ram (4) has openings at the side.
EP20120170034 2012-05-30 2012-05-30 Ramming and traction device Revoked EP2669436B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20120170034 EP2669436B1 (en) 2012-05-30 2012-05-30 Ramming and traction device
US13/889,563 US20130322971A1 (en) 2012-05-30 2013-05-08 Pile-driving and extraction apparatus

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EP20120170034 EP2669436B1 (en) 2012-05-30 2012-05-30 Ramming and traction device

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EP2669436A1 EP2669436A1 (en) 2013-12-04
EP2669436B1 true EP2669436B1 (en) 2014-12-31

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