EP3067470B1 - Vibrator as an attachment for a construction machine - Google Patents

Vibrator as an attachment for a construction machine Download PDF

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Publication number
EP3067470B1
EP3067470B1 EP16159103.7A EP16159103A EP3067470B1 EP 3067470 B1 EP3067470 B1 EP 3067470B1 EP 16159103 A EP16159103 A EP 16159103A EP 3067470 B1 EP3067470 B1 EP 3067470B1
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EP
European Patent Office
Prior art keywords
upright
exciter cell
vibrator
exciter
cell
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EP16159103.7A
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German (de)
French (fr)
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EP3067470A1 (en
Inventor
Steffen Schweizer
Oliver Holland-Cunz
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Liebherr Werk Nenzing GmbH
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Liebherr Werk Nenzing GmbH
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/18—Placing by vibrating
    • 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
    • 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
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • E02D3/074—Vibrating apparatus operating with systems involving rotary unbalanced masses
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
    • E02D7/16—Scaffolds or supports for drivers

Definitions

  • the invention relates to a vibrator, in particular an upright vibrator, as an attachment for a construction machine consisting of a pull yoke for guided mounting of the vibrator on a construction machine and an exciter cell mounted within the pull yoke to generate the vibrations necessary for the pile driving work.
  • Such vibrators can be used in construction, especially in special civil engineering, for example for pile-driving equipment, in order to generate directional vibrations by means of which sheet piling is to be driven into the ground, for example, or vibrating plug columns to be introduced into the ground.
  • the exciter cell for generating the necessary vibrations is attached to or in a pulling yoke that is connected to a suitable special civil engineering machine such as pile drivers or rope excavators.
  • pile drivers or rope excavators such as pile drivers or rope excavators.
  • the vibrators are height-adjustable on a corresponding rail system of the machine.
  • EP 2 444 553 A1 discloses a device for driving and pulling sheet piles and the like. into or out of the ground, comprising a leader on which an exciter cell is guided, which is coupled to a feed system via which it is vertical is linearly movable.
  • the exciter cell is rigidly connected to at least one guide element, the at least one guide element being guided exclusively on the leader and elastically connected to the feed system.
  • a vibration hammer for trench shoring with a yoke forming a static load, a vibrator, vibration dampers attached to the yoke in pairs, and brackets firmly connected to the vibrator, arranged between the vibration dampers of each pair, the brackets being designed as sliding bodies that run in guides in the working direction are kept movable, which in turn are firmly connected to the vibration damper teaches DE 85 07 086 U1 .
  • Method and apparatus for driving and pulling piles which includes a vibration / tensile load damper assembly mounted between a housing and the vibration unit, which includes shear vibration dampers which are connected between the housing and the vibration unit and which work in combination with at least one compression vibration damper which is so positioned is that it is compressed between first and second compression plates when the tensile load has reached a predetermined level in US 7 080 958 B1 disclosed.
  • US 2011/008111 A1 discloses, including a ram configured to connect to an articulated boom of an excavator or other unit of positioning machines for inserting a portion of a curved sheet pile under a conduit.
  • the ram has a head portion and a body portion.
  • the head portion of the pile driver is connected to the excavator and the body portion of the pile driver is movable relative to both the head portion of the pile driver and the excavator so that the pile driver can properly orient a portion of the curved sheet pile for introduction into subterranean material under an underground conduit.
  • One possible design of the generic vibrator is an upright vibrator or upright vibrator, which is characterized by a comparatively compact design.
  • the edgewise vibrator is used in areas that are difficult to access.
  • the exciter cell is usually mounted in a pull yoke, decoupled from vibrations. Vibration decoupling is achieved through the use of suitable bearing components, which are attached as bearings or suspension points between the draw yoke and the exciter cell and are intended to absorb a large part of the vibrations.
  • the bearing components are usually arranged distributed between the moving parts, but a particular system of the arrangement has not yet been investigated.
  • the search is therefore for an optimized storage of the exciter cell within the draw yoke that knows how to overcome the aforementioned disadvantages.
  • the symmetrical arrangement ensures that the exciter cell is evenly positioned within the draw yoke so that undesirable movements are largely avoided.
  • the number of bearing components for the front and rear of the vibrator can preferably be selected to be the same. Furthermore, the bearing components can be fastened at corresponding locations on the front and rear.
  • the arrangement is, for example, symmetrical to the ram axis or central axis of the exciter cell or of the vibrating part.
  • the vibrator is ideally suited for leader-guided operation on a construction machine, in which case the pulling yoke has one or more guide elements to guide the vibrator in a height-adjustable manner on the leader.
  • the vibrator is designed as an upright vibrator and can be designed for high or normal frequency operation.
  • the upper and lower areas refer to an area along the pile driving axis.
  • At least two, preferably at least four, elastic bearing components are provided on each of the lower and upper areas of the exciter cell, and are mounted, for example, distributed over the circumference of the exciter cell.
  • two elastic bearing components it is advisable for two elastic bearing components to be provided on the upper and lower area of the same on the front and on the rear.
  • the proposed embodiment does not rule out the fact that further bearing components are provided, for example in the central area, but these are not absolutely necessary for sufficient suppression of the relative movements transverse to the ram axis.
  • the elastic bearing components can for example consist of an elastomer or at least partially comprise this.
  • other elastic components are also suitable which allow sufficient damping of the relative movements and are nevertheless characterized by a high level of durability.
  • one or more sliding guides are provided, which are preferably arranged between the draw yoke and the exciter cell.
  • a rigid attachment of the one or more sliding guides to the exciter cell as well as to the pull yoke is conceivable.
  • the sliding guide is assembled by screwing, gluing, riveting, etc.
  • all sliding guides are either firmly connected to the exciter cell or, alternatively, firmly connected to the draw yoke; in addition, it is conceivable to connect part of the sliding guides to the exciter cell while the remaining Part is firmly mounted on the draw yoke.
  • the one or more sliding guides are attached to the side surfaces between the draw yoke and the exciter cell, for example one sliding guide per side surface is seated on the upper and lower area of the side surface when viewed in the ramming direction. It is particularly preferred if at least one, preferably all of the sliding guides lie on the center plane of the vibrating component of the exciter cell. As a result, the sliding guide is placed on the ramming plane of the moving mass and all sliding guides are subjected to an even load.
  • the wear phenomena that occur are to be reduced to the one or more sliding guides.
  • This is achieved through a tribologically optimized geometry of the sliding guides used or a tribologically optimized geometry of the contact surface between the sliding partners of the sliding guide.
  • a convex contour of the contact surface of at least one sliding partner of the sliding guide By means of a convex contour of the contact surface of at least one sliding partner of the sliding guide, the contact and the associated frictional force can be noticeably reduced. This not only has a positive effect on the transfer of energy, but also reduces contact-related wear and tear on the sliding guides.
  • due to the tribologically optimized geometries of the sliding surfaces prevailing contact forces can be evenly distributed to all bearings or guides used.
  • the sliding guides used are at least partially made of technical ceramics.
  • Technical ceramic is a very hard, wear-resistant material, which effectively reduces the operational wear of the sliding guides and increases the durability of the vibrator.
  • the sliding part of the vibrator for example the draw yoke, is usually made of steel, so that a very hard and wear-resistant sliding partner slides on the steel counter body with little wear.
  • the invention also includes a construction machine with at least one vibrator according to the present invention or an advantageous embodiment of the invention. It is conceivable that the construction machine has at least one leader in order to receive the vibrator in a displaceable manner in the driving direction. A rope excavator with a corresponding leader is conceivable as a construction machine.
  • Figure 1 shows a side view of the upright vibrator according to the invention, as it is used in particular in civil engineering for the introduction of vibrating plug columns or sheet pile walls.
  • the vibrator can be suitable for normal-frequency or high-frequency vibration for vibrating (shaking) the steel profiles.
  • the illustration shows the draw yoke 10, on the rear side of which a guide rail 11 is formed. With the aid of the guide rail 11, the draw yoke 10 can be vertically displaced on a leader of a suitable construction machine as an attachment tool attach. At the lower end of the draw yoke 10, the exciter cell 20 protrudes. The vibrator clamping pliers, usually attached to the protruding underside of the exciter cell 20, for the clamping reception of a steel profile to be vibrated, are not shown. On the upper side 12 of the draw yoke 10 or the exciter cell 20 there are connection points in order to provide a hydraulic energy supply for the exciter cell 20 by the carrier device.
  • one or more exciter cell shafts In the interior of the box-shaped exciter cell 20, one or more exciter cell shafts, preferably aligned parallel to one another, are mounted, each of which is rotatably mounted and includes eccentrically attached unbalanced masses that generate the desired vibratory movement through the rotation of the exciter shafts.
  • An integrated drive preferably of a hydraulic type, is provided for the rotational movement.
  • it is particularly desirable to have a vibration in the direction of the ram axis, which is shown, for example, in the sectional views of Figures 3.4 is identified by the reference character A.
  • the ram axis A extends parallel to the leader.
  • the undesired transverse accelerations and transverse forces transverse to the ram axis are intended to be reduced by mounting the exciter cell 20 within the draw yoke 10 via a symmetrical arrangement of elastomer bearings 30.
  • These bearings 30 serve as bearings and attachment points of the exciter cell 20 within the pull yoke 10.
  • these cuboid elastomer bearings 30 are arranged symmetrically to the ram axis A, whereby the undesired transverse forces and transverse movements can be optimally damped. This results in an almost optimal vibration decoupling of the exciter cell 20 within the pull yoke 10.
  • the symmetrical mounting of the exciter cell 20 here explicitly means the double-symmetrical suspension of the exciter cell 20 in the draw yoke 10. This means that the exciter cell 20 is mounted symmetrically with respect to two cutting planes along the ram axis so as to dampen vibrations. Here is one of these cutting planes the ram plane and the other cutting plane is a plane rotated by 90 ° to the ram plane around the ram axis.
  • the storage concept provides for the exciter cell 20 to be supported at the top and bottom of the draw yoke 10.
  • This special arrangement of the bearings serves to reduce the vibrations that do not run along the pile driving axis. This is necessary in order to achieve the most uniaxial movement of the exciter cell 20 along the ram axis in the draw yoke 10.
  • FIG. 3 shows in detail that four elastomer mountings 30 are provided in both the upper and lower areas of the exciter cell 20. Two of these are provided on the front 13 and two opposite on the rear 14 of the vibrator. This is also clear from the sectional view of Figure 4 .
  • the exciter cell 20 is mounted uniformly and symmetrically with respect to the draw yoke 10 both in its upper and in its lower area.
  • sliding guides 40 are available for the vibratory movement of the exciter cell 20 in the direction of the ram axis A, two sliding guides 40 being firmly connected to the exciter cell 20 on each side surface of the exciter cell 20.
  • the sliding guides 40 are on the central plane or ramming plane. Since the draw yoke 10 is usually a steel structure and the sliding guides slide along this steel structure, a very hard and wear-resistant material must be selected for the sliding guides 40. For this reason, the sliding guides 40 are made of technical ceramics.
  • the sliding guides 40 are provided with a tribologically optimized geometry in order to reduce the contact surface between the sliding guide 40 and the drawing yoke 10 sliding along to a minimum.
  • the surface 41 represents the sliding partner of the guide, which slides along the draw yoke 10.
  • Figure 5a shows a plan view of the on the exciter cell 20 mounted sliding guide 40
  • Figure 5b shows a sectional view through the sliding guide along the sectional axis BB.
  • the fixed assembly on the exciter cell 20 is carried out by means of a screw connection.
  • the core idea of the invention lies in the reduction of the relative movements of the exciter cell 20 in the transverse direction to the ramming axis A by means of symmetrical attachment of the elastomer bearings 30. This allows transverse accelerations and transverse forces to be reduced, which reduces the load on the sliding guide 40 and the energy saved as a result for the provides regular, vertical movement.
  • an optimized geometric shape 41 of the sliding guide 40 reduces the contact area between the bodies 10, 20 that are moved relative to one another, which lowers the friction that occurs and the energy dissipated as a result.
  • the sliding guides 40 are placed on the ramming plane.
  • the use of technical ceramics for a sliding partner of the sliding guide 40 is intended to reduce wear. This allows the service life of the sliding guides 40 to be increased significantly.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Description

Die Erfindung betrifft einen Rüttler, insbesondere Hochkantrüttler, als Anbaugerät für eine Baumaschine bestehend aus einem Ziehjoch zur geführten Lagerung des Rüttlers an einer Baumaschine und einer innerhalb des Ziehjochs gelagerten Erregerzelle zur Erzeugung der notwendigen Vibrationen für die Rammarbeit.The invention relates to a vibrator, in particular an upright vibrator, as an attachment for a construction machine consisting of a pull yoke for guided mounting of the vibrator on a construction machine and an exciter cell mounted within the pull yoke to generate the vibrations necessary for the pile driving work.

Solche Rüttler können im Bauwesen, insbesondere im Spezialtiefbau, beispielsweise für Rammgeräte verwendet werden, um gerichtete Vibrationen zu erzeugen, mittels derer beispielsweise Spundwände in den Boden gerammt oder Rüttelstopfsäulen in den Boden eingebracht werden sollen. Die Erregerzelle zur Erzeugung der notwendigen Vibrationen ist dazu an bzw. in einem Ziehjoch befestigt, das mit einer passenden Spezialtiefbaumaschine, wie beispielsweise Rammgeräten, oder Seilbaggern, verbunden ist. Oftmals sind die Rüttler höhenverstellbar an einem entsprechenden Schienensystem der Maschine gelagert.Such vibrators can be used in construction, especially in special civil engineering, for example for pile-driving equipment, in order to generate directional vibrations by means of which sheet piling is to be driven into the ground, for example, or vibrating plug columns to be introduced into the ground. The exciter cell for generating the necessary vibrations is attached to or in a pulling yoke that is connected to a suitable special civil engineering machine such as pile drivers or rope excavators. Often the vibrators are height-adjustable on a corresponding rail system of the machine.

EP 2 444 553 A1 offenbart eine Vorrichtung zum Rammen und Ziehen von Spundbohlen u.ä. in den bzw. aus dem Boden, umfassend einen Mäkler, an dem eine Erregerzelle geführt ist, die an ein Vorschubsystem gekoppelt ist, über das sie vertikal linear bewegbar ist. Die Erregerzelle ist starr mit wenigstens einem Führungselement verbunden, wobei das wenigstens eine Führungselement ausschließlich an dem Mäkler geführt und elastisch mit dem Vorschubsystem verbunden ist. EP 2 444 553 A1 discloses a device for driving and pulling sheet piles and the like. into or out of the ground, comprising a leader on which an exciter cell is guided, which is coupled to a feed system via which it is vertical is linearly movable. The exciter cell is rigidly connected to at least one guide element, the at least one guide element being guided exclusively on the leader and elastically connected to the feed system.

Eine Vibrationsramme für den Grabenverbau, mit einem eine statische Auflast bildenden Joch, einem Vibrator, am Joch paarweise befestigten Schwingungsdämpfern und fest mit dem Vibrator verbundenen, zwischen den Schwingungsdämpfern jeden Paares angeordneten Halterungen, wobei die Halterungen als Gleitkörper ausgebildet sind, die in Arbeitsrichtung in Führungen beweglich gehalten sind, die ihrerseits fest mit den Schwingungsdämpfern verbunden sind, lehrt DE 85 07 086 U1 .A vibration hammer for trench shoring, with a yoke forming a static load, a vibrator, vibration dampers attached to the yoke in pairs, and brackets firmly connected to the vibrator, arranged between the vibration dampers of each pair, the brackets being designed as sliding bodies that run in guides in the working direction are kept movable, which in turn are firmly connected to the vibration damper teaches DE 85 07 086 U1 .

Verfahren und Vorrichtung zum Rammen und Ziehen von Pfählen, die eine zwischen einem Gehäuse und der Vibrationseinheit montierte Vibrations- /Zuglastdämpferanordnung beinhaltet, die Scherschwingungsdämpfer beinhaltet, die zwischen dem Gehäuse und der Vibrationseinheit verbunden sind und in Kombination mit mindestens einem Kompressionsschwingungsdämpfer arbeiten, der so positioniert ist, dass er zwischen ersten und zweiten Kompressionsplatten komprimiert wird, wenn die Zugbelastung ein vorgegebenes Niveau erreicht sind in US 7 080 958 B1 offenbart.Method and apparatus for driving and pulling piles, which includes a vibration / tensile load damper assembly mounted between a housing and the vibration unit, which includes shear vibration dampers which are connected between the housing and the vibration unit and which work in combination with at least one compression vibration damper which is so positioned is that it is compressed between first and second compression plates when the tensile load has reached a predetermined level in US 7 080 958 B1 disclosed.

Eine Vorrichtung und ein Verfahren zur unterirdischen Lagerung von Untergrund-Leitungen wird in US 2011/008111 A1 offenbart, einschließlich einer Ramme, die konfiguriert ist, um sich mit einem gelenkigen Ausleger eines Baggers oder einer anderen Einheit von Positioniermaschinen zu verbinden, um einen Abschnitt einer gekrümmten Spundwand unter eine Leitung einzuführen. In einer exemplarischen Ausführungsform weist die Ramme einen Kopfabschnitt und einen Körperabschnitt auf. Der Kopfabschnitt der Ramme ist mit dem Bagger verbunden und der Karosserieabschnitt der Ramme ist sowohl im Verhältnis zum Kopfabschnitt der Ramme als auch zum Bagger beweglich, so dass die Ramme einen Abschnitt der gekrümmten Spundwand zur Einführung in unterirdisches Material unter einer unterirdischen Leitung richtig ausrichten kann.An apparatus and a method for underground storage of underground pipes is disclosed in US 2011/008111 A1 discloses, including a ram configured to connect to an articulated boom of an excavator or other unit of positioning machines for inserting a portion of a curved sheet pile under a conduit. In an exemplary embodiment, the ram has a head portion and a body portion. The head portion of the pile driver is connected to the excavator and the body portion of the pile driver is movable relative to both the head portion of the pile driver and the excavator so that the pile driver can properly orient a portion of the curved sheet pile for introduction into subterranean material under an underground conduit.

Eine mögliche Bauform des gattungsgemäßen Rüttlers ist ein Hochkantvibrator bzw. Hochkantrüttler, der sich durch eine vergleichsweise kompakte Bauform auszeichnet. Der Hochkantrüttler kommt insbesondere an schwer zugänglichen Stellen zum Einsatz.One possible design of the generic vibrator is an upright vibrator or upright vibrator, which is characterized by a comparatively compact design. The edgewise vibrator is used in areas that are difficult to access.

Die Erregerzelle wird üblicherweise schwingungsentkoppelt in einem Ziehjoch gelagert. Die Schwingungsentkopplung wird durch Einsatz geeigneter Lagerkomponenten erreicht, die als Lager bzw. Aufhängepunkte zwischen dem Ziehjoch und der Erregerzelle angebracht sind und einen Großteil der Vibrationen aufnehmen sollen. Die Lagerkomponenten sind üblicherweise verteilt zwischen den beweglichen Bauteilen angeordnet, eine besondere Systematik der Anordnung wurde bisher jedoch nicht untersucht.The exciter cell is usually mounted in a pull yoke, decoupled from vibrations. Vibration decoupling is achieved through the use of suitable bearing components, which are attached as bearings or suspension points between the draw yoke and the exciter cell and are intended to absorb a large part of the vibrations. The bearing components are usually arranged distributed between the moving parts, but a particular system of the arrangement has not yet been investigated.

Da für den regulären Einsatz nur die Vibrationen in Z-Richtung, d.h. in Rammrichtung benötigt werden, sollen davon abweichende Bewegungen möglichst vermieden bzw. ab einem gewissen Punkt verhindert werden. Dazu werden konventionelle Kunststoffgleitführungen verwendet. Um die benötigte Bewegung in Rammrichtung nicht zu behindern, muss stets ein gewisses Spiel und damit eine geringe Bewegungsfreiheit auch in die übrigen Richtungen erhalten bleiben, da ansonsten durch den Kontakt mit der eingesetzten Kunststoffgleitführung die resultierende Reib- und Bremskraft zu hoch wird und Rammenergie verloren geht. Zudem treten an den eingesetzten Gleitlagern deutliche Verschleißerscheinungen über die Jahre auf, was die Haltbarkeit des Rüttlers spürbar beeinträchtigt.Since only the vibrations in the Z-direction, i.e. are required in the driving direction, deviating movements should be avoided as far as possible or prevented from a certain point. Conventional plastic sliding guides are used for this. In order not to hinder the required movement in the ramming direction, there must always be a certain amount of play and thus little freedom of movement in the other directions, as otherwise the resulting friction and braking force will be too high due to the contact with the plastic sliding guide used and ramming energy will be lost . In addition, the slide bearings used show significant signs of wear over the years, which noticeably affects the durability of the vibrator.

Gesucht wird daher nach einer optimierten Lagerung der Erregerzelle innerhalb des Ziehjochs, die die vorstehend genannten Nachteile zu überwinden weiß.The search is therefore for an optimized storage of the exciter cell within the draw yoke that knows how to overcome the aforementioned disadvantages.

Gelöst wird diese Aufgabe durch einen Hochkantrüttler gemäß den Merkmalen des An-spruchs 1. Vorteilhafte Ausgestaltungen des Rüttlers sind Gegenstand der sich an den unabhängigen Anspruch anschließenden abhängigen Ansprüche.This object is achieved by an upright vibrator according to the features of claim 1. Advantageous embodiments of the vibrator are the subject matter of the dependent claims that follow the independent claim.

Ausgehend von dem gattungsgemäßen Rüttler mit einer innerhalb eines Ziehjochs schwingungsentkoppelt gelagerten Erregerzelle wird erfindungsgemäß vorgeschlagen, zur schwingungsentkoppelten Lagerung der Erregerzelle innerhalb des Ziehjochs eine symmetrische Anordnung von elastischen Lagerkomponenten vorzusehen. Die Lagerkomponenten bilden die Lager- bzw. Aufhängepunkte der Erregerzelle innerhalb des Ziehjochs. Dadurch lassen sich unerwünschte Relativbewegungen der Erregerzelle, d.h. Bewegungen quer zur Rammachse, auf ein Minimum reduzieren.Starting from the generic vibrator with an exciter cell mounted vibration-decoupled within a draw yoke, it is proposed according to the invention to provide a symmetrical arrangement of elastic bearing components for the vibration-decoupled mounting of the exciter cell inside the draw yoke. The bearing components form the bearing or suspension points of the exciter cell within the draw yoke. This allows undesired relative movements of the exciter cell, i.e. Reduce movements across the pile to a minimum.

Bekannt aus dem Stand der Technik waren bisher lediglich unsymmetrische Anordnungen von etwaigen Lagerkomponenten. Diese konnten bisher die durch Vibrationen hervorgerufenen Querkräfte nicht ausreichend abfangen, weshalb zusätzlich zur Bewegung in Rammrichtung Bewegungen in andere Richtungen auftraten und zu erhöhtem Verschleiß und unerwünschten Energieverlusten der Vibrationsbewegung führten.Only asymmetrical arrangements of any bearing components were previously known from the prior art. Up to now, these have not been able to adequately absorb the transverse forces caused by vibrations, which is why movements in other directions occurred in addition to movement in the ramming direction and led to increased wear and undesired energy losses in the vibration movement.

Die symmetrische Anordnung sorgt für eine gleichmäßige Lagerung der Erregerzelle innerhalb des Ziehjochs, sodass die unerwünschten Bewegungen weitestgehend vermieden werden. Vorzugsweise kann die Anzahl an Lagerkomponenten für die Vorder- und Rückseite des Rüttlers gleich gewählt sein. Ferner können die die Lagerkomponenten an entsprechenden Stellen an der Vorder- und Rückseite befestigt sein. Die Anordnung ist beispielsweise symmetrisch zur Rammachse bzw. Mittelachse der Erregerzelle bzw. des vibrierenden Teils.The symmetrical arrangement ensures that the exciter cell is evenly positioned within the draw yoke so that undesirable movements are largely avoided. The number of bearing components for the front and rear of the vibrator can preferably be selected to be the same. Furthermore, the bearing components can be fastened at corresponding locations on the front and rear. The arrangement is, for example, symmetrical to the ram axis or central axis of the exciter cell or of the vibrating part.

Der Rüttler ist idealerweise für den mäklergeführten Betrieb an einer Baumaschine geeignet, wobei das Ziehjoch in diesem Fall über ein oder mehrere Führungselemente verfügt, um den Rüttler höhenverstellbar am Mäkler zu führen. Der Rüttler ist als Hochkantrüttler ausgestaltet und kann für den Hoch- oder Normalfrequenz-betrieb ausgelegt sein.The vibrator is ideally suited for leader-guided operation on a construction machine, in which case the pulling yoke has one or more guide elements to guide the vibrator in a height-adjustable manner on the leader. The vibrator is designed as an upright vibrator and can be designed for high or normal frequency operation.

Denkbar ist beispielsweise eine Anordnung mit ein oder mehreren elastischen Lagerkomponenten am oberen sowie am unteren Bereich der Erregerzelle. Der obere und untere Bereich bezieht sich hierbei auf einen Bereich entlang der Rammachse.For example, an arrangement with one or more elastic bearing components on the upper and lower areas of the exciter cell is conceivable. The upper and lower areas refer to an area along the pile driving axis.

In einer bevorzugten Ausführungsform sind am unteren und oberen Bereich der Erregerzelle jeweils wenigstens zwei, vorzugsweise mindestens vier elastische Lagerkomponenten vorgesehen, die beispielsweise verteilt über den Umfang der Erregerzelle montiert sind. Bei einer rechteckigen bzw. kastenförmigen Ausgestaltung der Erregerzelle bietet es sich an, dass auf der Vorder- als auch auf der Rückseite jeweils zwei elastische Lagerkomponenten am oberen und unteren Bereich dieser vorgesehen sind.In a preferred embodiment, at least two, preferably at least four, elastic bearing components are provided on each of the lower and upper areas of the exciter cell, and are mounted, for example, distributed over the circumference of the exciter cell. In the case of a rectangular or box-shaped configuration of the exciter cell, it is advisable for two elastic bearing components to be provided on the upper and lower area of the same on the front and on the rear.

Die vorgeschlagene Ausführungsform schließt nicht aus, dass weitere Lagerkomponenten, beispielsweise im Mittelbereich vorgesehen sind, diese sind jedoch für eine ausreichende Unterdrückung der Relativbewegungen quer zur Rammachse nicht zwingend notwendig.The proposed embodiment does not rule out the fact that further bearing components are provided, for example in the central area, but these are not absolutely necessary for sufficient suppression of the relative movements transverse to the ram axis.

Die elastischen Lagerkomponenten können beispielsweise aus einem Elastomer bestehen bzw. dieses zumindest teilweise umfassen. Geeignet sind jedoch auch andere elastische Komponenten, die eine ausreichende Dämpfung der Relativbewegungen ermöglichen und sich dennoch durch eine hohe Haltbarkeit auszeichnen.The elastic bearing components can for example consist of an elastomer or at least partially comprise this. However, other elastic components are also suitable which allow sufficient damping of the relative movements and are nevertheless characterized by a high level of durability.

Zur Führung der Relativbewegung der Erregerzelle in Rammrichtung sind erfindungsgemäß ein oder mehrerer Gleitführungen vorgesehen, die vorzugsweise zwischen Ziehjoch und Erregerzelle angeordnet sind. Vorstellbar ist sowohl eine starre Befestigung der ein oder mehreren Gleitführungen an der Erregerzelle als auch am Ziehjoch. Die Montage der Gleitführung erfolgt durch Verschraubung, Verklebung, Vernietung, etc. Bevorzugt sind alle Gleitführungen entweder fest mit der Erregerzelle oder alternativ fest mit dem Ziehjoch verbunden, darüber hinaus ist es vorstellbar, einen Teil der Gleitführungen fest mit der Erregerzelle zu verbinden während der verbleibende Teil fest am Ziehjoch montiert ist.To guide the relative movement of the exciter cell in the ramming direction, according to the invention, one or more sliding guides are provided, which are preferably arranged between the draw yoke and the exciter cell. A rigid attachment of the one or more sliding guides to the exciter cell as well as to the pull yoke is conceivable. The sliding guide is assembled by screwing, gluing, riveting, etc. Preferably, all sliding guides are either firmly connected to the exciter cell or, alternatively, firmly connected to the draw yoke; in addition, it is conceivable to connect part of the sliding guides to the exciter cell while the remaining Part is firmly mounted on the draw yoke.

Gemäß einer bevorzugten Ausgestaltung sind die ein oder mehreren Gleitführungen an den Seitenflächen zwischen Ziehjoch und Erregerzelle befestigt, beispielsweise sitzt pro Seitenfläche jeweils eine Gleitführung am in Rammrichtung gesehen oberen und unteren Bereich der Seitenfläche. Besonders bevorzugt ist es, wenn zumindest eine, vorzugsweise alle Gleitführungen auf der Mittelebene der vibrierenden Komponente der Erregerzelle liegen. Dadurch wird die Gleitführung auf die Rammebene der bewegten Masse gelegt und es stellt sich eine gleichmäßige Belastung aller Gleitführungen ein.According to a preferred embodiment, the one or more sliding guides are attached to the side surfaces between the draw yoke and the exciter cell, for example one sliding guide per side surface is seated on the upper and lower area of the side surface when viewed in the ramming direction. It is particularly preferred if at least one, preferably all of the sliding guides lie on the center plane of the vibrating component of the exciter cell. As a result, the sliding guide is placed on the ramming plane of the moving mass and all sliding guides are subjected to an even load.

In einer weiterhin bevorzugten Ausführungsform sollen die auftretenden Verschleißerscheinungen auf die ein oder mehreren Gleitführungen reduziert werden. Geschafft wird dies durch eine tribologisch optimierte Geometrie der eingesetzten Gleitführungen bzw. eine tribologisch optimierte Geometrie der Kontaktfläche zwischen den Gleitpartnern der Gleitführung. Durch eine konvexe Kontur der Kontaktfläche wenigstens eines Gleitpartners der Gleitführung kann der Kontakt und die damit verbundene Reibkraft spürbar reduziert werden. Dies wirkt sich nicht nur positiv auf die Energieübertragung aus, sondern verringert ebenfalls kontaktbedingte Verschleißerscheinungen an den Gleitführungen. Zudem lassen sich durch tribologisch optimierte Geometrien der Gleitflächen vorherrschende Kontaktkräfte gleichmäßig auf alle eingesetzten Lager bzw. Führungen verteilen.In a further preferred embodiment, the wear phenomena that occur are to be reduced to the one or more sliding guides. This is achieved through a tribologically optimized geometry of the sliding guides used or a tribologically optimized geometry of the contact surface between the sliding partners of the sliding guide. By means of a convex contour of the contact surface of at least one sliding partner of the sliding guide, the contact and the associated frictional force can be noticeably reduced. This not only has a positive effect on the transfer of energy, but also reduces contact-related wear and tear on the sliding guides. In addition, due to the tribologically optimized geometries of the sliding surfaces, prevailing contact forces can be evenly distributed to all bearings or guides used.

Als eine zusätzliche Maßnahme kann vorgesehen sein, dass die eingesetzten Gleitführungen zumindest teilweise aus technischer Keramik gefertigt sind. Insbesondere besteht wenigstens ein Gleitpartner wenigstens einer Gleitführung aus technischer Keramik bzw. umfasst diese. Technische Keramik ist ein sehr harter verschleißbeständiger Werkstoff, wodurch der betriebsbedingte Verschleiß der Gleitführungen effektiv verringert und die Haltbarkeit des Rüttlers erhöht werden kann. Der gleitende Teil des Rüttlers, beispielsweise das Ziehjoch, ist in der Regel aus Stahl gefertigt, sodass ein sehr harter und verschleißbeständiger Gleitpartner auf dem Stahlgegenkörper verschleißarm gleitet.As an additional measure, it can be provided that the sliding guides used are at least partially made of technical ceramics. In particular, there is at least one sliding partner of at least one sliding guide made of technical ceramic or comprises this. Technical ceramic is a very hard, wear-resistant material, which effectively reduces the operational wear of the sliding guides and increases the durability of the vibrator. The sliding part of the vibrator, for example the draw yoke, is usually made of steel, so that a very hard and wear-resistant sliding partner slides on the steel counter body with little wear.

Neben dem erfindungsgemäßen Rüttler umfasst die Erfindung ebenfalls eine Baumaschine mit wenigstens einem Rüttler gemäß der vorliegenden Erfindung bzw. einer vorteilhaften Ausgestaltung der Erfindung. Denkbar ist es, dass die Baumaschine wenigstens einen Mäkler aufweist, um den Rüttler in Rammrichtung verschiebbar aufzunehmen. Denkbar ist als Baumaschine ein Seilbagger mit einem entsprechenden Mäkler.In addition to the vibrator according to the invention, the invention also includes a construction machine with at least one vibrator according to the present invention or an advantageous embodiment of the invention. It is conceivable that the construction machine has at least one leader in order to receive the vibrator in a displaceable manner in the driving direction. A rope excavator with a corresponding leader is conceivable as a construction machine.

Weitere Vorteile und Eigenschaften der Erfindung sollen im Folgenden anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert werden. Es zeigen:

Figur 1:
eine Seitenansicht des erfindungsgemäßen Hochkantrüttlers;
Figur 2:
eine Vorderansicht des erfindungsgemäßen Hochkantrüttlers;
Figur 3:
eine Schnittdarstellung des Hochkantrüttlers;
Figur 4:
eine Querschnittsdarstellung des erfindungsgemäßen Rüttlers quer zur Rammachse und
Figur 5:
eine skizzierte Darstellung der erfindungsgemäßen Geometrie einer eingesetzten Gleitführung.
Further advantages and properties of the invention are to be explained in more detail below with reference to an embodiment shown in the drawings. Show it:
Figure 1:
a side view of the upright vibrator according to the invention;
Figure 2:
a front view of the upright vibrator according to the invention;
Figure 3:
a sectional view of the edgewise vibrator;
Figure 4:
a cross-sectional view of the vibrator according to the invention transversely to the ram axis and
Figure 5:
a sketched representation of the inventive geometry of a sliding guide used.

Figur 1 zeigt eine Seitendarstellung des erfindungsgemäßen Hochkantrüttlers, wie er insbesondere im Tiefbau zur Einbringung von Rüttelstopfsäulen oder Spundwänden Verwendung findet. Der Rüttler kann je nach Anwendung für die normalfrequente oder hochfrequente Vibration zum Einvibrieren (Einrütteln) der Stahlprofile geeignet sein. Figure 1 shows a side view of the upright vibrator according to the invention, as it is used in particular in civil engineering for the introduction of vibrating plug columns or sheet pile walls. Depending on the application, the vibrator can be suitable for normal-frequency or high-frequency vibration for vibrating (shaking) the steel profiles.

Die Darstellung zeigt das Ziehjoch 10, an dessen Rückseite eine Führungsschiene 11 ausgebildet ist. Mithilfe der Führungsschiene 11 lässt sich das Ziehjoch 10 vertikal verschieblich an einem Mäkler einer geeigneten Baumaschine als Anbauwerkzeug anbringen. Am unteren Ende des Ziehjochs 10 ragt die Erregerzelle 20 hervor. Nicht dargestellt ist die üblicherweise an der herausragenden Unterseite der Erregerzelle 20 angebrachte Rüttlerklemmzange zur klemmenden Aufnahme eines einzuvibrierenden Stahlprofils. Auf der Oberseite 12 des Ziehjochs 10 bzw. der Erregerzelle 20 befinden sich Anschlussstellen, um eine hydraulische Energieversorgung der Erregerzelle 20 durch das Trägergerät bereitzustellen.The illustration shows the draw yoke 10, on the rear side of which a guide rail 11 is formed. With the aid of the guide rail 11, the draw yoke 10 can be vertically displaced on a leader of a suitable construction machine as an attachment tool attach. At the lower end of the draw yoke 10, the exciter cell 20 protrudes. The vibrator clamping pliers, usually attached to the protruding underside of the exciter cell 20, for the clamping reception of a steel profile to be vibrated, are not shown. On the upper side 12 of the draw yoke 10 or the exciter cell 20 there are connection points in order to provide a hydraulic energy supply for the exciter cell 20 by the carrier device.

Im Innenraum der kastenförmigen Erregerzelle 20 sind ein oder mehrere, vorzugsweise parallel zueinander ausgerichtete Erregerzellenwellen montiert, die jeweils drehbar gelagert sind und exzentrisch angebrachte Unwuchtmassen umfassen, die durch die Rotation der Erregerwellen die gewünschte Vibrationsbewegung erzeugen. Für die Rotationsbewegung ist ein integrierter Antrieb, vorzugsweise hydraulischer Art, vorgesehen. Wünschenswert ist in diesem Zusammenhang insbesondere eine Vibration in Richtung der Rammachse, die beispielsweise in den Schnittdarstellungen der Figuren 3,4 mit dem Bezugszeichen A gekennzeichnet ist.In the interior of the box-shaped exciter cell 20, one or more exciter cell shafts, preferably aligned parallel to one another, are mounted, each of which is rotatably mounted and includes eccentrically attached unbalanced masses that generate the desired vibratory movement through the rotation of the exciter shafts. An integrated drive, preferably of a hydraulic type, is provided for the rotational movement. In this context, it is particularly desirable to have a vibration in the direction of the ram axis, which is shown, for example, in the sectional views of Figures 3.4 is identified by the reference character A.

Die Rammachse A erstreckt sich in der Montage- und Betriebsposition des Rüttlers parallel zum Mäkler. Die unerwünschten Querbeschleunigungen und Querkräfte quer zur Rammachse sollen dadurch reduziert werden, indem die Erregerzelle 20 innerhalb des Ziehjochs 10 über eine symmetrische Anordnung von Elastomerlagerungen 30 gelagert wird. Diese Lagerungen 30 dienen als Lagerstellen und Anhängepunkte der Erregerzelle 20 innerhalb des Ziehjochs 10. Wie dies der Schnittdarstellung der Figur 3 zu entnehmen ist, sind diese quaderförmigen Elastomerlager 30 symmetrisch zur Rammachse A angeordnet, wodurch die unerwünschten Querkräfte und Querbewegungen optimal gedämpft werden können. Es entsteht somit eine nahezu optimale Schwingungsentkopplung der Erregerzelle 20 innerhalb des Ziehjochs 10.In the assembly and operating position of the vibrator, the ram axis A extends parallel to the leader. The undesired transverse accelerations and transverse forces transverse to the ram axis are intended to be reduced by mounting the exciter cell 20 within the draw yoke 10 via a symmetrical arrangement of elastomer bearings 30. These bearings 30 serve as bearings and attachment points of the exciter cell 20 within the pull yoke 10. As shown in the sectional view of Figure 3 It can be seen that these cuboid elastomer bearings 30 are arranged symmetrically to the ram axis A, whereby the undesired transverse forces and transverse movements can be optimally damped. This results in an almost optimal vibration decoupling of the exciter cell 20 within the pull yoke 10.

Unter symmetrischer Lagerung der Erregerzelle 20 ist hier explizit die doppelsymmetrische Aufhängung der Erregerzelle 20 im Ziehjoch 10 gemeint. Das bedeutet, die Erregerzelle 20 ist symmetrisch bezogen auf zwei Schnittebenen entlang der Rammachse schwingungsdämpfend gelagert. Dabei ist eine dieser Schnittebenen die Rammebene und die andere Schnittebene ist eine um 90 °- Grad zur Rammebene um die Rammachse gedrehte Ebene.The symmetrical mounting of the exciter cell 20 here explicitly means the double-symmetrical suspension of the exciter cell 20 in the draw yoke 10. This means that the exciter cell 20 is mounted symmetrically with respect to two cutting planes along the ram axis so as to dampen vibrations. Here is one of these cutting planes the ram plane and the other cutting plane is a plane rotated by 90 ° to the ram plane around the ram axis.

Außerdem sieht das Lagerungskonzept eine Lagerung der Erregerzelle 20 unten und oben am Ziehjoch 10 vor. Diese spezielle Anordnung der Lagerung dient zur Reduzierung der Schwingungen, die nicht entlang der Rammachse verlaufen. Dies ist nötig, um eine möglichst einachsige Bewegung der Erregerzelle 20 entlang der Rammachse im Ziehjoch 10 zu erreichen.In addition, the storage concept provides for the exciter cell 20 to be supported at the top and bottom of the draw yoke 10. This special arrangement of the bearings serves to reduce the vibrations that do not run along the pile driving axis. This is necessary in order to achieve the most uniaxial movement of the exciter cell 20 along the ram axis in the draw yoke 10.

Die Konstruktion der Figur 3 zeigt hierbei im Detail, dass sowohl im oberen als auch im unteren Bereich der Erregerzelle 20 jeweils vier Elastomerlagerungen 30 vorgesehen sind. Zwei davon sind auf der Vorderseite 13 und zwei gegenüberliegend auf der Rückseite 14 des Rüttlers vorgesehen. Deutlich wird dies auch aus der Schnittdarstellung der Figur 4. Die Erregerzelle 20 wird sowohl in ihrem oberen als auch in ihrem unteren Bereich gleichmäßig und symmetrisch gegenüber dem Ziehjoch 10 gelagert.The construction of the Figure 3 shows in detail that four elastomer mountings 30 are provided in both the upper and lower areas of the exciter cell 20. Two of these are provided on the front 13 and two opposite on the rear 14 of the vibrator. This is also clear from the sectional view of Figure 4 . The exciter cell 20 is mounted uniformly and symmetrically with respect to the draw yoke 10 both in its upper and in its lower area.

Für die Vibrationsbewegung der Erregerzelle 20 in Richtung der Rammachse A stehen mehrere Gleitführungen 40 zur Verfügung, wobei auf jeder Seitenfläche der Erregerzelle 20 jeweils zwei Gleitführungen 40 fest mit der Erregerzelle 20 verbunden sind. Zudem liegen die Gleitführungen 40 auf der Mittelebene bzw. Rammebene. Da das Ziehjoch 10 üblicherweise ein Stahlkonstrukt ist und die Gleitführungen auf dieser Stahlkonstruktion entlanggleiten, muss ein sehr harter und verschleißbeständiger Werkstoff für die Gleitführungen 40 gewählt werden. Aus diesem Grund sind die Gleitführungen 40 aus technischer Keramik gefertigt.Several sliding guides 40 are available for the vibratory movement of the exciter cell 20 in the direction of the ram axis A, two sliding guides 40 being firmly connected to the exciter cell 20 on each side surface of the exciter cell 20. In addition, the sliding guides 40 are on the central plane or ramming plane. Since the draw yoke 10 is usually a steel structure and the sliding guides slide along this steel structure, a very hard and wear-resistant material must be selected for the sliding guides 40. For this reason, the sliding guides 40 are made of technical ceramics.

Weiterhin werden die Gleitführungen 40 mit einer tribologisch optimierten Geometrie versehen, um dadurch die Kontaktfläche zwischen Gleitführung 40 und dem entlanggleitenden Ziehjoch 10 auf ein Minimum zu reduzieren. Beispielhaft wird dazu eine Oberflächenkontur der Gleitführung 40 mit der in Figur 5b dargestellten konvexen Oberfläche 41 eingesetzt. Die Oberfläche 41 stellt den Gleitpartner der Führung dar, der entlang dem Ziehjoch 10 gleitet. Figur 5a zeigt eine Draufsicht auf die an der Erregerzelle 20 montierte Gleitführung 40, während Figur 5b eine Schnittdarstellung durch die Gleitführung entlang der Schnittachse B-B wiedergibt. Die feste Montage an der Erregerzelle 20 erfolgt mittels Verschraubung.Furthermore, the sliding guides 40 are provided with a tribologically optimized geometry in order to reduce the contact surface between the sliding guide 40 and the drawing yoke 10 sliding along to a minimum. For this purpose, a surface contour of the sliding guide 40 with the in Figure 5b shown convex surface 41 used. The surface 41 represents the sliding partner of the guide, which slides along the draw yoke 10. Figure 5a shows a plan view of the on the exciter cell 20 mounted sliding guide 40, while Figure 5b shows a sectional view through the sliding guide along the sectional axis BB. The fixed assembly on the exciter cell 20 is carried out by means of a screw connection.

Zusammenfassend liegt der Kerngedanke der Erfindung in der Reduzierung der auftretenden Relativbewegungen der Erregerzelle 20 in Querrichtung zur Rammachse A mittels symmetrischer Anbringung der Elastomerlagerungen 30. Dadurch lassen sich Querbeschleunigungen und Querkräfte reduzieren, was die Belastung auf die Gleitführung 40 reduziert und die dadurch gesparte Energie für die reguläre, senkrechte Bewegung bereitstellt. In einem zweiten Schritt wird durch eine optimierte geometrische Form 41 der Gleitführung 40 die Kontaktfläche zwischen den zueinander relativ bewegten Körpern 10, 20 reduziert, was die auftretende Reibung und die dadurch dissipierte Energie senkt. Um die auftretenden Kontaktkräfte in der Gleitführung 40 zu reduzieren und um sie gleichmäßig auf alle vier Gleitführungen 40 zu verteilen, werden die Gleitführungen 40 auf die Rammebene gelegt. Als letzte Maßnahme soll durch die Verwendung von technischer Keramik für einen Gleitpartner der Gleitführung 40 der Verschleiß gesenkt werden. Dadurch lässt sich die Standzeit der Gleitführungen 40 deutlich erhöhen.In summary, the core idea of the invention lies in the reduction of the relative movements of the exciter cell 20 in the transverse direction to the ramming axis A by means of symmetrical attachment of the elastomer bearings 30. This allows transverse accelerations and transverse forces to be reduced, which reduces the load on the sliding guide 40 and the energy saved as a result for the provides regular, vertical movement. In a second step, an optimized geometric shape 41 of the sliding guide 40 reduces the contact area between the bodies 10, 20 that are moved relative to one another, which lowers the friction that occurs and the energy dissipated as a result. In order to reduce the contact forces occurring in the sliding guide 40 and to distribute them evenly over all four sliding guides 40, the sliding guides 40 are placed on the ramming plane. As a last measure, the use of technical ceramics for a sliding partner of the sliding guide 40 is intended to reduce wear. This allows the service life of the sliding guides 40 to be increased significantly.

Claims (9)

  1. An upright vibrator which can vertically shiftably be mounted on a leader of a construction machine, comprising a pull yoke (10) for bearing the upright vibrator on the leader of the construction machine and an exciter cell (20) supported on the pull yoke (10) for generating the vibrations,
    wherein an arrangement of elastic bearing components (30) symmetrical to the pile driving axis (A) of the exciter cell (20) is provided for the vibration-decoupled bearing of the exciter cell (20) on the pull yoke (10) in order to reduce relative movements of the exciter cell (20) transversely to the pile driving axis (A), the exciter cell (20) being supported at its lower and upper ends, as viewed in the pile driving direction (A), by at least one bearing component (30) with respect to the pull yoke (10),
    characterized in
    that at least one slideway (40) is provided for the sliding guidance of the exciter cell (20) in the vibration and/or pile driving direction (A).
  2. The upright vibrator according to claim 1, characterized in that the exciter cell (20) has a substantially rectangular cross-section and two elastic bearing components (30) each are provided on the front and rear sides of the upper and lower areas of the exciter cell (20).
  3. The upright vibrator according to any of the preceding claims, characterized in that the elastic bearing components (30) consist of or comprise an elastomer.
  4. The upright vibrator according to any of the preceding claims, characterized in that two slideways (40) each are mounted per side surface of the upright vibrator, in particular one slideway (40) each on the upper and lower areas between the exciter cell (20) and the pull yoke (10).
  5. The upright vibrator according to any of the preceding claims, characterized in that one or more, preferably all slideways (40) lie on the central plane of the moving mass of the exciter cell (20) or are arranged symmetrically to the central plane.
  6. The upright vibrator according to any of the preceding claims, characterized in that the one or more slideways (40) have a tribologically optimized geometry.
  7. The upright vibrator according to claim 6, characterized in that the one or more slideways (40) comprise at least one convex contact surface which is in contact with the guided part, i.e. with the pull yoke (10) and/or the exciter cell (20).
  8. The upright vibrator according to any of the preceding claims, characterized in that at least one sliding partner of the one or more slideways (40) at least partly consists of or comprises technical ceramics.
  9. A construction machine comprising an upright vibrator according to any of the preceding claims.
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CN113323039A (en) * 2021-06-15 2021-08-31 温州超泽天硕智能科技有限公司 Self-balancing pile foundation detection device
KR20230002160A (en) 2022-12-09 2023-01-05 (주) 대동이엔지 Side grip pile driver with precision vertical construction system

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DE8507086U1 (en) * 1985-03-12 1985-04-25 Krings International GmbH & Co KG, 5138 Heinsberg Vibratory hammer for trench sheeting
US7080958B1 (en) * 2005-04-27 2006-07-25 International Construction Equipment, Inc. Vibratory pile driver/extractor with two-stage vibration/tension load suppressor
US20110008111A1 (en) * 2009-07-10 2011-01-13 Hercules Machinery Corporation Apparatus for inserting sheet pile having an independently adjustable insertion axis and method for using the same

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FR2527667A1 (en) * 1982-05-27 1983-12-02 Procedes Tech Const Vibrational tamping or extracting tool - has removable elastomeric blocks positioned between vibrating plate and frame
US8342778B2 (en) * 2009-04-16 2013-01-01 Hercules Machinery Corporation Method and apparatus for facilitating the subterranean support of underground conduits having a fixed insertion axis
EP2444553B1 (en) * 2010-10-20 2012-12-05 ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH Ramming and traction device

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Publication number Priority date Publication date Assignee Title
DE8507086U1 (en) * 1985-03-12 1985-04-25 Krings International GmbH & Co KG, 5138 Heinsberg Vibratory hammer for trench sheeting
US7080958B1 (en) * 2005-04-27 2006-07-25 International Construction Equipment, Inc. Vibratory pile driver/extractor with two-stage vibration/tension load suppressor
US20110008111A1 (en) * 2009-07-10 2011-01-13 Hercules Machinery Corporation Apparatus for inserting sheet pile having an independently adjustable insertion axis and method for using the same

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