EP2757200B1 - Gerät zum Herausziehen oder Einrammen eines Gegenstands (wie Pfahl oder Rohr) in den Boden, und entsprechendes Verfahren - Google Patents

Gerät zum Herausziehen oder Einrammen eines Gegenstands (wie Pfahl oder Rohr) in den Boden, und entsprechendes Verfahren Download PDF

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Publication number
EP2757200B1
EP2757200B1 EP14151515.5A EP14151515A EP2757200B1 EP 2757200 B1 EP2757200 B1 EP 2757200B1 EP 14151515 A EP14151515 A EP 14151515A EP 2757200 B1 EP2757200 B1 EP 2757200B1
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EP
European Patent Office
Prior art keywords
opening
vibrator
jaw
modules
clamping
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.)
Not-in-force
Application number
EP14151515.5A
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English (en)
French (fr)
Other versions
EP2757200A3 (de
EP2757200A2 (de
Inventor
Mathieu Jehanno
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P T C
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Publication of EP2757200A2 publication Critical patent/EP2757200A2/de
Publication of EP2757200A3 publication Critical patent/EP2757200A3/de
Application granted granted Critical
Publication of EP2757200B1 publication Critical patent/EP2757200B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes

Definitions

  • the present invention relates to the field of vibrators intended for extracting or driving objects into the ground, for example piles, sheet piles or tubes, and in particular the devices for holding piles or tubes, in particular tubes. large diameter.
  • Vibrators are used to drive or extract building foundation elements. Vibrators can also be used for ground penetration of wind turbine mast tubes.
  • a device called a vibrator which transmits vertical vibrations to the object.
  • the vibrators include several pairs of flyweights that rotate in opposite directions to produce a vertical vibration force without horizontal components of the vibrations.
  • sets of clips that hold the object from its upper end are known.
  • This type of clamp is well suited to hollow cylindrical objects whose walls can be clamped in clamps.
  • this type of clamp has the disadvantage of having to be brought above the upper end of the object to be driven, for example with a crane or a threshing machine. Therefore, due to the fact that the gripping of the object to be driven is by its end, the maximum length of the objects to be depressed is limited.
  • annular devices which can surround the object to be driven.
  • the object to be driven is then brought from above the vibrator and the holding device to be inserted from its lower end into a hole through the vibrator, or, conversely, from below the vibrator and the holding device to be inserted. by its upper end.
  • These vibrators comprise several vibrators, two or more, operating in tandem arranged on either side of the object to be driven.
  • the vibrators which operate in phase thanks to a synchronization device such as a transmission shaft, are then arranged symmetrically on either side of the object so that the vertical component of the vibrations is transmitted only in the axis of the object, which improves efficiency.
  • the use of several vibrators requires a robust structure, which is why devices that surround the object are used.
  • the tube holding system is then generally placed under the vibrators, because their size does not allow to place it on the side of the vibrators as described in the document EP2003252 .
  • the vibrators in which the object is brought from the top of the vibrator into a through hole sometimes include arrangements to allow an operator to ride on the vibrator to guide the object. The operator thus has better visibility and can more easily guide the object, but without fully respecting the security constraints for users. Moreover, the implementation of these adjustments is binding.
  • vibrators are generally positioned on guide rails, but it is difficult to guide the vibrators to the ends of particularly long objects.
  • the holding devices must be sufficiently robust to withstand the vibrations generated and the weight of the elements they maintain.
  • devices with a closed or annular frame are generally used to provide a more robust structure.
  • these structures have the disadvantages presented above.
  • the object of the invention is to propose to an apparatus for driving into the ground or extracting objects such as piles or tubes from the ground, which makes it possible to reduce the need for the presence of a operator and allows to push or extract longer objects and larger diameter while being robust.
  • the object of the invention is therefore, according to a first aspect, an apparatus comprising a frame for receiving an object such as a pile or a tube, or a tube of large diameter, and a vibrator intended for extraction or sink into the ground of the object.
  • the vibrator comprises two vibrator modules, for example synchronized together
  • the chassis comprises at least one lateral opening allowing insertion of the object by a lateral translational movement in the chassis between the two vibrator modules.
  • the object being in a vertical position, and means for clamping the object at least partially closing said opening when the object is held.
  • vibrators modules we mean modules that can include several sub-modules of vibrators, that is to say several vibrators.
  • closed frames are used for vibrators comprising two vibrator modules, particularly for reasons of robustness to withstand the vibrations generated and the weight of the elements, mobile clamping means are used here but sufficiently robust to maintain the object.
  • the invention can be used for large objects. In the prior art, it is necessary to use a closed frame or a device located at the end of the object for its driving or extraction.
  • the clamping means may comprise at least one movable jaw between a retracted position making said opening accessible and a clamping position in which said opening is at least partially closed and in which the object is held.
  • the apparatus may comprise an assembly of at least one jack and a connecting rod, or even two connecting rods, for moving said at least one jaw.
  • a cylinder for example hydraulic, makes it possible to obtain a sufficiently robust support of the object to be driven in or extracted.
  • the apparatus may comprise at least one fixed clamping plate and at least one movable clamping plate disposed on said at least one jaw.
  • the object to be driven or extracted is thus held firmly between at least two plates in contact with it.
  • the apparatus comprises a single lateral opening, two jaws disposed opposite each other on either side of the lateral opening, at least one fixed clamping plate disposed against an inner wall of the apparatus and, on each jaw, at least one movable clamping plate.
  • clamping plates makes it possible to increase the contact surface between the clamping means and the object to be held: therefore, hollow objects can be held with a sufficient force without deforming them.
  • the apparatus then comprises a U-shaped frame, and two jaws forming a set of double doors to open the apparatus and hold the object.
  • Said opening may be dimensioned to receive an object having a diameter greater than 300 millimeters, or also greater than 400 or 1000 millimeters.
  • the invention also relates, in a third aspect, to a method of holding an object such as a pile or a tube for its extraction or its insertion into the ground.
  • the method comprises a displacement in lateral translation of the object in a vertical position to insert it into a lateral opening of an apparatus comprising a vibrator comprising two vibrator modules, the object being inserted between the two vibrators modules, and a tightening of the object at least partially closing said opening when the object is maintained.
  • vibrators modules are meant modules which may comprise a plurality of submodules of vibrators.
  • the method may include moving at least one jaw between a retracted position rendering said opening open and a clamping position to at least partially close said opening and hold the object.
  • an apparatus 1 is shown in plan view, comprising two vibrator modules not visible in the figure, for extracting or driving into the ground of an object 2, for example a pile or a large-sized tube.
  • This apparatus 1 comprises two vibrator modules adapted to generate vibrations acting on the object to be driven or extracted and comprises a device 3 for holding the object, allowing it to be held in order to vibrate it and to drive it into the soil (or extract it).
  • the two vibrator modules are synchronized, here by means of a transmission shaft 12.
  • the apparatus 1 comprises a frame 4 which comprises a lateral opening 5. As can be seen in the figure, this opening extends over any the height of the device 3.
  • the object 2 which is cylindrical and has a height greater than that of the device 1, can be inserted by translation into the holding device 3.
  • the opening 5 extends between the two vibrator modules so that an object can be inserted therein to be disposed between the vibrator modules.
  • the opening 5 can be dimensioned to receive objects having diameters greater than 400 millimeters.
  • two movable jaws 6 are used in the device 3.
  • the jaws 6 are arranged vis-à-vis, on either side of the opening 5. It may be noted that the device 3 has a symmetrical structure on either side of the plane P. In the present description, the identical elements having the same function but arranged on either side of the plane of symmetry P have the same references.
  • the movable jaws 6 are in a retracted position. As a result, the opening 5 is left free and the jaws 6 can not hold an object.
  • the jaws 6 are connected to the remainder of the device 3 by links allowing the jaws to rotate in the plane of the figure about vertical axes A.
  • the jaws 6 are also connected to the first links 7 by links allowing rotations in the plane of the figure.
  • the rods 7 are also connected for rotation with rods 8 which are connected at one of their ends to the vertical axes B.
  • the movement of the rods 7 and 8 in the holding device is provided by jacks 9, for example hydraulic cylinders.
  • the cylinders 9 are connected by a first of their ends to the connection between the rods 7 and 8 (movable axis of rotation C), and by a second of their ends to a connection allowing rotation around the vertical axes D.
  • clamping plates can be used. More precisely, it is possible to use two fixed plates 10 arranged against an inside wall of the apparatus, that is to say at the bottom of the opening 5.
  • the clamping plates 10 have a concave outward shape intended for promote contact with objects to be pushed in or extracted.
  • the movable jaws 6 may also be provided with movable clamping plates 11.
  • the movable clamping plates 11 also have an outwardly concave shape to promote contact with the objects to be driven in or out.
  • the object 2 in a vertical position, by a lateral translational movement, in the opening 5, to be arranged between the two vibrator modules of the apparatus 1.
  • This translation can be implemented by any appropriate means, for example with a crane or a threshing machine.
  • the movable jaws 6 are in a clamping position which holds the object 2, and partially closes the opening 5. It may be noted that the cylinders 9 are in an extended position. Therefore, this translation movement is transmitted to the rods 7 and 8 which rotate the jaws 6 about the axes A. The object 2 is then sufficiently maintained to undergo vibration for its depression or extraction.
  • the jaws 6 can be loosened. move the device upward and thus move up the gripping area of the object 2, then tighten them again to subject the object 2 vibrations. This step is repeated until the object 2 reaches a satisfactory depth.
  • the figure 3 corresponds to a perspective view of the device 1 of the figure 1 .
  • the clamping plates 10 and 11 extend over almost the entire height of the apparatus 1.
  • each jaw 6 it is possible for each jaw 6 to use two sets of jacks and connecting rods, a first assembly being disposed in the vicinity of the upper part of the apparatus, and a second assembly being disposed in the vicinity of the lower part of the apparatus. This applies a force large enough to hold the object 2.
  • the figure 4 is a perspective view of the camera of the figure 2 , when holding the object 2.
  • the holding device 3 of the apparatus 1 comprises two sets of rods 7 and 8 for one of the two jaws.
  • the invention there is obtained a device having a holding device and a vibrator for easier insertion of the objects to be driven or extracted. It is thus possible to push longer objects.
  • the invention is therefore particularly useful for driving or extracting objects having a length greater than ten meters, for example twenty meters or thirty meters, sometimes more.
  • the invention can be used by any type of apparatus comprising two vibrator modules, including variable moment vibrators or other types of vibrators.

Landscapes

  • 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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Claims (8)

  1. Vorrichtung umfassend ein Gehäuse zum Aufnehmen eines Objekts (2) wie eines Pflocks oder eines Rohrs und einen zum Herausziehen oder Eintreiben des Objekts (2) in den Boden ausgebildeten Rüttler, dadurch gekennzeichnet, dass der Rüttler zwei Rüttlermodule umfasst und das Gehäuse (4) wenigstens eine seitliche Öffnung (5) umfasst, die das Einführen des Objekts durch eine Bewegung unter seitlichem Verschieben im Gehäuse zwischen den zwei Rüttlermodulen ermöglicht, wobei sich das Objekt in einer vertikalen Position befindet, und Mittel zum Spannen des Objekts zum wenigstens teilweisen Verschließen der Öffnung, während das Objekt gehalten wird.
  2. Vorrichtung nach Anspruch 1, wobei die Spannmittel wenigstens eine zwischen einer weggeklappten Position, welche die Öffnung zugänglich macht, und einer Spannposition, in der die Öffnung wenigstens teilweise verschlossen ist und in der das Objekt gehalten wird, bewegliche Backe (6) umfassen.
  3. Vorrichtung nach Anspruch 2, umfassend eine Baugruppe aus wenigstens einem Zylinder (9) und einer Schubstange (7, 8) zum Bewegen der wenigstens einen Backe.
  4. Vorrichtung nach einem der Ansprüche 2 und 3, umfassend wenigstens eine ortsfeste Spannplatte (10) und wenigstens eine auf der wenigstens einen Backe angeordnete bewegliche Spannplatte (11).
  5. Vorrichtung nach einem der Ansprüche 2 bis 4, umfassend eine einzige seitliche Öffnung, zwei gegenüber an beiden Seiten der seitlichen Öffnungen angeordnete Backen (6), wenigstens eine gegen eine Innenwand der Vorrichtung angeordnete ortsfeste Spannplatte (10) und auf jeder Backe wenigstens eine bewegliche Spannplatte (11).
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Öffnung zur Aufnahme eines Objekts mit einem Durchmesser von mehr als 300 Millimeter dimensioniert ist.
  7. Verfahren zum Halten eines Objekts (2) wie eines Pflocks oder eines Rohrs zu seinem Herausziehen oder seinem Eintreiben in den Boden, dadurch gekennzeichnet, dass es ein Bewegen in seitlicher Verschiebung des Objekts in eine vertikale Position zu seinem Einführen in eine seitliche Öffnung (5) einer Vorrichtung umfassend einen Rüttler umfassend zwei Rüttlermodule, wobei das Objekt zwischen den zwei Rüttlermodulen eingeführt wird, und ein Spannen des Objekts zum wenigstens teilweisen Verschließen der Öffnung, während das Objekt gehalten wird, umfasst.
  8. Verfahren nach Anspruch 7, umfassend ein Bewegen von wenigstens einer Backe (6) zwischen einer weggeklappten Position, welche die Öffnung zugänglich macht, und einer Spannposition zum wenigstens teilweisen Verschließen der Öffnung und Halten des Objekts.
EP14151515.5A 2013-01-18 2014-01-17 Gerät zum Herausziehen oder Einrammen eines Gegenstands (wie Pfahl oder Rohr) in den Boden, und entsprechendes Verfahren Not-in-force EP2757200B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1350475A FR3001239B1 (fr) 2013-01-18 2013-01-18 Appareil destine a l'extraction ou a l'enfoncement dans le sol d'un objet tel qu'un pieu ou un tube et procede correspondant

Publications (3)

Publication Number Publication Date
EP2757200A2 EP2757200A2 (de) 2014-07-23
EP2757200A3 EP2757200A3 (de) 2016-10-19
EP2757200B1 true EP2757200B1 (de) 2018-03-14

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Application Number Title Priority Date Filing Date
EP14151515.5A Not-in-force EP2757200B1 (de) 2013-01-18 2014-01-17 Gerät zum Herausziehen oder Einrammen eines Gegenstands (wie Pfahl oder Rohr) in den Boden, und entsprechendes Verfahren

Country Status (2)

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EP (1) EP2757200B1 (de)
FR (1) FR3001239B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113089667B (zh) * 2021-04-14 2023-03-14 中冶建工集团有限公司 钢护筒的沉放施工方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2679156B1 (fr) 1991-07-15 1993-10-29 Procedes Techniques Construction Vibrateur a moment variable utilisable notamment a l'enfoncement d'objets dans le sol.
US20080310923A1 (en) * 2007-06-14 2008-12-18 Innovative Pile Driving Products, Llc Modular vibratory pile driver system

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP2757200A3 (de) 2016-10-19
FR3001239B1 (fr) 2015-02-06
FR3001239A1 (fr) 2014-07-25
EP2757200A2 (de) 2014-07-23

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