EP0857828B1 - Vibrating tamper - Google Patents

Vibrating tamper Download PDF

Info

Publication number
EP0857828B1
EP0857828B1 EP98101033A EP98101033A EP0857828B1 EP 0857828 B1 EP0857828 B1 EP 0857828B1 EP 98101033 A EP98101033 A EP 98101033A EP 98101033 A EP98101033 A EP 98101033A EP 0857828 B1 EP0857828 B1 EP 0857828B1
Authority
EP
European Patent Office
Prior art keywords
axis
tamping device
gravity
bracket
centre
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.)
Expired - Lifetime
Application number
EP98101033A
Other languages
German (de)
French (fr)
Other versions
EP0857828A1 (en
Inventor
Arno Dr.-Ing Zürbes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bomag GmbH and Co OHG
Original Assignee
Bomag GmbH and Co OHG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bomag GmbH and Co OHG filed Critical Bomag GmbH and Co OHG
Publication of EP0857828A1 publication Critical patent/EP0857828A1/en
Application granted granted Critical
Publication of EP0857828B1 publication Critical patent/EP0857828B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/35—Hand-held or hand-guided tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/12—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses
    • B06B1/14—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses the masses being elastically coupled
    • 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
    • E02D3/061—Tampers with directly acting explosion chambers

Definitions

  • the invention relates to a tamper for soil compaction, the by a built-in drive executes vertical vibrations and thereby by one resiliently hinged to the tamper head and one handle end having guide bracket by an operator is to be kept, the mass distribution of the guide bracket reduces vibrations effected at the end of the handle.
  • Rammers come in numerous designs known and have become known for compacting small areas well proven. Through the guide bracket is the Operator able to control the vibrating Tamper with little effort in the desired Direction and speed over the to be compressed To lead floor areas.
  • the task of the present is based on this Invention in the known rammers in that regard to improve that the guide bracket at same compression performance of the rammer even quieter in the hand, so the operator still is less burdened and the business interruptions can be reduced.
  • Vibration phenomena are taken into account more comprehensively and the solution should be suitable for rammers, whose guide bracket is not opposite the handle end Has extension.
  • the leadership or Possibility to control the rammer should be in remain fully protected.
  • guide bracket is understood to mean the bracket including its attachments (tank, handle, bracket etc.).
  • the quotient for the aforementioned regularity the weight distribution between about 0.9 to 1.3, especially about 1.0 to 1.15.
  • the guide bracket carries a weight to to realize the desired mass distribution.
  • This Weight can advantageously be in the form of brackets, Design handles, protective frames or spacers.
  • FIG. 1 shows a essential conventional vibration rammer 1, whose tamper foot 2 by a fuel engine 3 in about vertical vibrations. For that drives the Motor 3 on an eccentric, not shown which in turn is supported on a piston rod their lower end over preloaded springs and with the tamper foot 4 is clamped.
  • the lower end of the pounder foot is through a slanted Starnpfer plate 4 formed, so Dar the tamper is slightly inclined forward, in the embodiment at an angle of about 75 °. His Balance is maintained by the fact that both the Drive motor 3 as well as the fuel tank 5 on the other side of the rammer are arranged.
  • the center of gravity 10 of the guide bracket 6 is shifted such that it is located at a distance IV below or above a line through the center between the articulation points 8 and through the handle end 9.
  • the figures show that the guide bracket 10 beyond the articulation point 8 after is extended at the front. He can carry counterweights there through which the desired mass distribution constant bracket geometry in a simple manner can bring about.
  • the mass distribution can be particularly advantageous but can be realized by a bracket 7, the same time as a transport handle, protective frame and / or Spacer is used.

Abstract

The appliance has an integral drive (3) and a guide bracket (6) with a grip end for an operator. Mass distribution of the bracket results in vibration reduction at the bracket grip end (9). Bracket geometry and mass distribution are satisfied according to:- Hs divided by ms(lhg x lh - lv x lv) = 0.8 - 1.3 ms = mass of the guide bracket; Hs = mass moment of inertia of the bracket about an axis through the centre of gravity (10) of the bracket, which is parallel to an axis through the hinge points (8); lh = distance at right angles to tamper axis (A), between centre of gravity and axis through hinge points; lhg = distance at right angles to tamper axis, between grip end and centre of gravity; lv = distance parallel to the tamper axis, between centre of gravity and axis through hinge points. The ratio for weight distribution is approx. between 0.9 and 1.3, esp. between 1.0 and 1.15. For this purpose, the bracket has a weight.

Description

Die Erfindung betrifft einen Stampfer zur Bodenverdichtung, der durch einen eingebauten Antrieb etwa vertikale Vibrationen ausführt und dabei durch einen elastisch am Stampferkopf angelenkten und ein Griffende aufweisenden Führungsbügel von einer Bedienungsperson zu halten ist, wobei die Massenverteilung des Führungsbügels eine Reduzierung der Vibrationen am Griffende bewirkt.The invention relates to a tamper for soil compaction, the by a built-in drive executes vertical vibrations and thereby by one resiliently hinged to the tamper head and one handle end having guide bracket by an operator is to be kept, the mass distribution of the guide bracket reduces vibrations effected at the end of the handle.

Stampfer sind in zahlreichen Ausführungsvarianten bekannt und haben sich bei der Verdichtung kleiner Flächen gut bewährt. Durch den Führungsbügel ist die Bedienungsperson in der Lage, den vibrierenden Stampfer mit geringem Kraftaufwand in der gewünschten Richtung und Geschwindigkeit über die zu verdichtenden Bodenflächen zu führen.Rammers come in numerous designs known and have become known for compacting small areas well proven. Through the guide bracket is the Operator able to control the vibrating Tamper with little effort in the desired Direction and speed over the to be compressed To lead floor areas.

Allerdings übertragen sich die Vibrationen des Stampfers auch auf den Führungsbügel. Die Bedienungsperson ist deshalb je nach Stärke und Frequenz der Vibration und in Abhängigkeit von der Qualität des Dampfungselementes zwischen Führungsbügel und Stampfer mehr oder weniger oft gezwungen, eine Pause einzulegen.However, the vibrations of the Stampfers also on the guide bracket. The operator is therefore dependent on strength and frequency the vibration and depending on the quality of the Damping element between the guide bracket and Pounders more or less often forced one Take a break.

Eine vorteilhafte Lösung zur Dämpfung der auftretenden Vibrationen im Führungsbügel, ist durch die DE 44 36 081 A 1 bekannt geworden. Dabei hat der Stampfer eine über seinen Anlenkpunkt hinauslaufende, dem Griffende entgegengesetzte Verlängerung des Führungsbügels, die unter anderem als Rammschutz oder als zusätzlicher Griff beim Transport dient. Insbesondere wird sie in der genannten Schrift aber dazu herangezogen, um eine Massenverteilung des Führungsbügels einzustellen, die die im Haltegriff auftretenden Vibrationen weitgehend kompensiert.An advantageous solution for damping the occurring Vibrations in the guide bracket is due to the DE 44 36 081 A1 became known. The rammer has one that extends beyond its pivot point, the Opposite end of the handlebar, which among other things as impact protection or serves as an additional handle during transport. In particular however, it becomes one in the scripture mentioned used to a mass distribution of the guide bracket adjust to those that occur in the handle Vibration largely compensated.

Hiervon ausgehend liegt die Aufgabe der vorliegenden Erfindung darin, die bekannten Stampfer dahingehend zu verbessern, daß der Führungsbügel bei gleicher Verdichtungsleistung des Stampfers noch ruhiger in der Hand liegt, die Bedienungsperson also noch weniger belastet wird und die Betriebsunterbrechungen reduziert werden können. Dazu sollen insbesondere Schwingungsphänomene umfassender berücksichtigt werden und die Lösung soll für Stampfer geeignet sein, deren Führungsbügel keine dem Griffende entgegengesetzte Verlängerung aufweist. Die Führungs- bzw. Steuerungsmöglichkeit des Stampfers sollen hierbei in vollem Umfang gewahrt bleiben.The task of the present is based on this Invention in the known rammers in that regard to improve that the guide bracket at same compression performance of the rammer even quieter in the hand, so the operator still is less burdened and the business interruptions can be reduced. To do this in particular Vibration phenomena are taken into account more comprehensively and the solution should be suitable for rammers, whose guide bracket is not opposite the handle end Has extension. The leadership or Possibility to control the rammer should be in remain fully protected.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Geometrie des Führungsbügels etwa folgenden Gesetzmäßigkeiten gehorcht: Θ s m s (IHG • IH - IV • IV ) = 0,8 bis 1,3, wobei ms = Masse des Führungsbügels, Θs = Massenträgheitsmoment des Führungsbügels um eine Achse durch den Schwerpunkt des Führungsbügels parallel zu einer durch die Anlenkpunkte führenden Achse, IH = Abstand senkrecht zur Stampferachse zwischen der durch die Anlenkpunkte führenden Achse und dem Schwerpunkt, IHG = Abstand senkrecht zur Stampferachse zwischen Griffende und Schwerpunkt und IV = Abstand parallel zur Stampferachse zwischen der durch die Anlenkpunkte führenden Achse und dem Schwerpunkt. Unter Führungsbügel wird vorstehend der Bügel einschließlich seiner Anbauteile (Tank, Griff, Bügel etc.) verstanden.This object is achieved in that the geometry of the guide bracket obeys the following laws: Θ s m s ( I. HG • I. H - I. V • I. V ) = 0.8 to 1.3, where m s = mass of the guide bracket , Θ s = moment of inertia of the guide bracket about an axis through the center of gravity of the guide bracket parallel to an axis leading through the articulation points, I H = distance perpendicular to the tamper axis between the axis leading through the articulation points and the center of gravity, I HG = distance perpendicular to the tamper axis between the end of the handle and the center of gravity and I V = distance parallel to the tamper axis between the axis leading through the articulation points and the center of gravity. The term “guide bracket” is understood to mean the bracket including its attachments (tank, handle, bracket etc.).

Soweit der Führungsbügel eine Verlängerung aufweist, wird eine Massenverteilung des Bügels, die zugleich auch der genannten DE 44 36 081 A 1 gehorchen sollte, ausdrücklich vom Schutz der vorliegenden Anmeldung ausgenommen.If the guide bracket has an extension, becomes a mass distribution of the temple, the also obey DE 44 36 081 A1 should, expressly from the protection of the present Registration excluded.

Die Anmelderin hat umfangreiche Versuche hinsichtlich der Schwingungsübertragung vom Stampfer auf den Führungsbügel durchgeführt und ist dabei zu der Erkenntnis gekommen, daß weniger die elastische Anlenkung am Stampfer als vielmehr die Position des Anlenkpunktes und/oder die Massenverteilung des Führungsbügels entscheidenden Einfluß auf die Schwingungsübertragung haben. Sie hat dabei festgestellt, daß bei Verlagerung des Schwerpunktes des Führungsbügels nach unten und einer Verteilung seiner Masse in der beschriebenen Art eine deutliche Verringerung der Vibrationen am Griffende des Führungsbügels eintritt, wenn in diesem Fall die Verdreheigenfrequenz des Bügels gegenüber dem Rahmen kleiner als 1/√2 der Arbeitsfrequenz des Stampfers ist. Dadurch werden die dynamischen Drehmomente des Führungsbügels derart beeinflußt, daß sich die translatorischen und rotatorischen Bewegungen, die sich am Griffende überlagern, nahezu aufheben.The applicant has made extensive tests with regard to the vibration transmission from the rammer performed on the guide bracket and is there came to the conclusion that less elastic Articulation on the tamper rather than that Position of the articulation point and / or the mass distribution of the guide bracket decisive influence to have the vibration transmission. She has it with her found that when shifting the focus the guide bracket down and a distribution its mass in the manner described a clear Reduction of vibrations at the end of the handle Guide bracket occurs when in this case the twisting frequency of the bracket opposite the frame less than 1 / √2 the working frequency of the rammer is. This creates the dynamic torques of the guide bracket so influenced that the translational and rotary movements that overlap at the end of the handle, almost cancel each other out.

In weiterer Ausgestaltung der Erfindung empfiehlt es sich, den Quotienten für die vorgenannte Gesetzmäßigkeit der Gewichtsverteilung etwa zwischen 0,9 bis 1,3, insbesondere etwa 1,0 bis 1,15 zu legen.In a further embodiment of the invention recommends it is, the quotient for the aforementioned regularity the weight distribution between about 0.9 to 1.3, especially about 1.0 to 1.15.

Besonders günstig ist es in diesem Zusammenhang, wenn der Führungsbügel ein Gewicht trägt, um die gewünschte Massenverteilung zu realisieren. Dieses Gewicht läßt sich vorteilhaft in Form von Bügeln, Griffen, Schutzrahmen oder Abstandshaltern ausbilden.In this context, it is particularly favorable if the guide bracket carries a weight to to realize the desired mass distribution. This Weight can advantageously be in the form of brackets, Design handles, protective frames or spacers.

Durch die erfindungsgemäße Massenverteilung werden insbesondere die vertikalen Bewegungen im Handgriff reduziert. Sehr vorteilhaft ist es deshalb, den Bügel weiterhin so zu gestalten, daß auch die horizontalen Bewegungen deutlich abnehmen. Dies wird dadurch erreicht, daß der Anlenkpunkt des Führungsbügels am Stampferkopf oberhalb eines vom Griffbereich des Bügels ausgehenden gedachten Lotes auf die Stampferachse angeordnet ist.Through the mass distribution according to the invention the vertical movements in particular Handle reduced. It is therefore very advantageous that Continue to design the temple so that the horizontal Significantly decrease movements. this will achieved in that the articulation point of the guide bracket on the tamper head above one of the grip area the imaginary plumb bob on the bracket Rammer axis is arranged.

Schließlich empfiehlt es sich, die Anlenkung des Führungsbügels am Stampferkopf in an sich bekannter Weise über zumindest ein elastisches Element mit abgestuft progressiver Federkennlinie herbeizuführen. Diese abgestuft progressive Federkennlinie kann durch zusätzliche Dämpfungsflächen des elastischen Elementes realisiert werden, die in Ruhestellung gegenüber dem Haltebügel beabstandet sind und erst nach einer bestimmten Auslenkung des Führungsbügels mit ihm in Wirkverbindung treten.Finally, it is advisable to link the Guide bracket on the tamper head in a known per se Way with at least one elastic element gradual progressive spring characteristic. This graded progressive spring characteristic can be achieved by additional damping surfaces of the elastic element be realized in the rest position opposite the bracket are spaced and only after a certain deflection of the guide bracket with interact with him.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles anhand der Zeichnung; dabei zeigt

Figur 1
eine Seitenansicht des Stampfers und
Figur 2
eine schematische Darstellung der Massenverteilung am Führungsbügel.
Further features and advantages of the invention will become apparent from the following description of an embodiment with reference to the drawing; shows
Figure 1
a side view of the rammer and
Figure 2
a schematic representation of the mass distribution on the guide bracket.

Die Gesamtansicht in Figur 1 zeigt einen im wesentlichen herkömmlichen Vibrationsstampfer 1, dessen Stampferfuß 2 durch einen Kraftstoff-Motor 3 in etwa vertikale Vibrationen versetzt wird. Dazu treibt der Motor 3 einen nicht näher dargestellten Exzenter an, an dem seinerseits eine Kolbenstange gelagert ist, die an ihrem unteren Ende über vorgespannte Federn und mit dem Stampferfuß 4 verspannt ist.The overall view in Figure 1 shows a essential conventional vibration rammer 1, whose tamper foot 2 by a fuel engine 3 in about vertical vibrations. For that drives the Motor 3 on an eccentric, not shown which in turn is supported on a piston rod their lower end over preloaded springs and with the tamper foot 4 is clamped.

Das untere Ende des Stampferfußes wird durch eine schräg angesetzte Starnpfer platte 4 gebildet, so dar der Stampfer leicht nach vorn geneigt steht, im Ausführungsbeispiel unter einem Winkel von etwa 75°. Sein Gleichgewicht ist dadurch gewahrt, daß sowohl der Antriebsmotor 3 wie auch der Kraftstofftank 5 an der anderen Seite des Stampfers angeordnet sind.The lower end of the pounder foot is through a slanted Starnpfer plate 4 formed, so Dar the tamper is slightly inclined forward, in the embodiment at an angle of about 75 °. His Balance is maintained by the fact that both the Drive motor 3 as well as the fuel tank 5 on the other side of the rammer are arranged.

Wesentlich ist nun zum einen, daß der Führungsbügel 6 eine bestimmte Massenverteilung aufweist, die der weiter oben angegebenen Gesetzmäßigkeit gehorcht. Um diese Gesetzmäßigkeit zu erreichen, sind beidseits am Führungsbügel 6 nach unten verlaufende Bügel 7 angeordnet.It is now essential that the guide bracket 6 a certain mass distribution which has the regularity specified above obey. To achieve this regularity, are down on both sides of the guide bracket 6 extending bracket 7 arranged.

Zur Erläuterung der einzelnen Massen und Hebelarme wird auf Figur 2 verwiesen. Dort ist der Führungsbügel 6 mit einem elastischen Element 8a mit abgestuft progressiver Federkennlinie gezeigt, wobei über einen Anlenkpunkt 8 die Vibrationen vom Stampfer in den Bügel eingeleitet werden. Diese Vibrationen verlaufen nicht genau vertikal, sondern längs einer komplizierten Kurvenbahn. Daher ist das Griffende 9 nicht nur Bewegungen in Vertikalrichtung, sondern auch in Horizontalrichtung ausgesetzt. Im wesentlichen werden durch die erfindungsgemäße Massenverteilung die vertikalen Bewegungen reduziert bzw. eliminiert, da bei dieser die Verdreheigenfrequenz des Führungsbügels gegenüber dem Maschinenrahmen kleiner als 1/√2 der Arbeitsfrequenz ist.To explain the individual masses and lever arms reference is made to Figure 2. There is the guide bracket 6 graded with an elastic element 8a progressive spring characteristic shown, with a Articulation point 8 the vibrations from the rammer in the Bow are initiated. These vibrations run not exactly vertical, but along a complicated one Cam track. Therefore, the handle end 9 is not just movements in the vertical direction, but also in the horizontal direction exposed. Essentially, through the mass distribution according to the invention the vertical Movements reduced or eliminated, since this is the Twisting frequency of the guide bracket opposite the machine frame is less than 1 / √2 of the working frequency is.

Um dies zu gewährleisten, ist der Schwerpunkt 10 des Führungsbügels 6 so verlagert, daß er sich um den Abstand IV unterhalb oder oberhalb einer durch die Mitte zwischen den Anlenkpunkten 8 und durch das Griffende 9 gedachten Linie befindet.To ensure this, the center of gravity 10 of the guide bracket 6 is shifted such that it is located at a distance IV below or above a line through the center between the articulation points 8 and through the handle end 9.

Weiterhin muß das Massenträgheitsmoment des Führungsbügels um eine Achse durch den Schwerpunkt 10 parallel zu den beiden Anlenkpunkten 8, insbesondere bei leerem Tank, in der folgenden Relation zu Masse des Führungsbügels und den bezeichneten Abständen stehen: Θ s m s (IHG • IH - IV • IV ) = 0,8 bis 1,3, wobei insbesondere:

ms =
Masse des Führungsbügels 6 nebst Anbauteilen;
Θs =
Massenträgheitsmoment des Führungsbügels 6 um eine senkrecht zur Fortbewegungsrichtung des Stampfers 1 verlaufende Horizontalachse durch den Schwerpunkt 10 des Führungsbügels;
IH =
Länge der Projektion des Abstandes zwischen dem Schwerpunkt 10 und einer durch die Anlenkpunkte 8 gedachten Achse auf eine durch Anlenkpunkte 8 und Griffende 9 verlaufende Ebene;
IHG =
Länge der Projektion des Abstandes zwischen dem Schwerpunkt 10 und dem Griffende 9 auf die durch Anlenkpunkte 8 und Griffende 9 verlaufende Ebene;
IV =
Abstand des Schwerpunktes 10 von der durch Anlenkpunkte 8 und Griffende 9 verlaufenden Ebene.
Furthermore, the moment of inertia of the guide bracket about an axis through the center of gravity 10 parallel to the two articulation points 8, in particular when the tank is empty, must have the following relation to the mass of the guide bracket and the designated distances: Θ s m s ( I. HG • I. H - I. V • I. V ) = 0.8 to 1.3, in particular:
m s =
Mass of the guide bracket 6 together with attachments;
Θ s =
Mass moment of inertia of the guide bracket 6 about a horizontal axis running perpendicular to the direction of travel of the rammer 1 through the center of gravity 10 of the guide bracket;
I H =
Length of the projection of the distance between the center of gravity 10 and an axis intended by the articulation points 8 onto a plane running through articulation points 8 and the handle end 9;
I HG =
Length of the projection of the distance between the center of gravity 10 and the handle end 9 onto the plane running through the articulation points 8 and handle end 9;
I V =
Distance of the center of gravity 10 from the plane running through articulation points 8 and handle end 9.

Wird diese Gesetzmäßigkeit eingehalten, so ist die Bewegung am Griffende 9 des Führungsbügels 6 in der Bewegungsrichtung des Maschinenrahrnens sowie auch quer dazu kaum noch spürbar.If this law is observed, it is Movement at the handle end 9 of the guide bracket 6 in the Direction of movement of the machine roller as well hardly noticeable even across it.

Des weiteren zeigen die Figuren, daß der Führungsbügel 10 über den Anlenkpunkt 8 hinaus nach vorn verlängert ist. Er kann dort Gegengewichte tragen, durch die sich die gewünschte Massenverteilung bei gleichbleibender Bügelgeometrie in einfacher Weise herbeiführen läßt.Furthermore, the figures show that the guide bracket 10 beyond the articulation point 8 after is extended at the front. He can carry counterweights there through which the desired mass distribution constant bracket geometry in a simple manner can bring about.

Besonders vorteilhaft kann die Massenverteilung aber durch einen Bügel 7 realisiert werden, der gleichzeitig als Transportgriff, Schutzrahmen und/oder Abstandshalter dient.The mass distribution can be particularly advantageous but can be realized by a bracket 7, the same time as a transport handle, protective frame and / or Spacer is used.

Sollen neben den vertikalen auch die horizontalen Bewegungen des Griffendes wesentlich vermindert werden, so hat man ferner den Anlenkpunkt (8) des Führungsbügels (6) am Stampferkopf oberhalb eines vom Griffende (9) des Bügels (6) ausgehenden gedachten Lotes (L) auf die Stampferachse (A) anzuordnen. Dies ist bei der in den Figuren dargestellten Ausführungsform noch nicht berücksichtigt. Hier befindet sich der Anlenkpunkt (8) genau auf Höhe des Lotes (L).In addition to the vertical, the horizontal should also Movements of the handle end significantly reduced are, so you also have the pivot point (8) of the Guide bracket (6) on the tamper head above one from the handle end (9) of the bracket (6) outgoing Arrange the solder (L) on the tamper axis (A). This is in the embodiment shown in the figures not yet considered. Here is the articulation point (8) exactly at the level of the solder (L).

Claims (6)

  1. Tamping device for compacting soil, which by means of a built-in drive (3) performs approximately vertical vibrations and while so doing is arranged to be held by an operator by means of a guide stirrup (6) that is articulated resiliently on the head of the tamping device and has a grip end (9), the mass distribution of the guide stirrup bringing about a reduction in the vibrations at the grip end,
    characterised in that
    in respect of the geometry and mass distribution of the guide stirrup the following equation is fulfilled: Θ s m s (IHG • IH - IV • IV ) = 0.8 to 1.3 where
    ms =
    mass of the guide stirrup (6);
    Θs =
    mass moment of inertia of the guide stirrup (6) about an axis through the centre of gravity (10) of the guide stirrup (6), which axis extends parallel to an axis passing through the articulation points (8);
    IH =
    distance, perpendicular to the axis (A) of the tamping device, between the axis passing through the articulation points (8) and the centre of gravity (10);
    IHG =
    distance, perpendicular to the axis (A) of the tamping device, between grip end (9) and centre of gravity (10) and
    Iv =
    distance, parallel to the axis (A) of the tamping device, between the axis passing through the articulation points (8) and the centre of gravity (10).
  2. Tamping device according to claim 1,
    characterised in that
    the above-mentioned quotient for the weight distribution is approximately from 0.9 to 1.3, especially from 1.0 to 1.15.
  3. Tamping device according to claim 1,
    characterised in that
    for realising the desired mass distribution, the guide stirrup (6) carries a weight.
  4. Tamping device according to claim 3,
    characterised in that
    the weight is constructed in the form of a bow-shaped element (7), grip, protective framework or spacer element.
  5. Tamping device according to claim 1,
    characterised in that
    the articulation point (8) of the guide stirrup (6) on the head of the tamping device is arranged above a notional perpendicular (L) to the axis (A) of the tamping device, the perpendicular (L) extending out from the grip end (9) of the stirrup (6).
  6. Tamping device according to claim 1,
    characterised in that
    the articulation of the guide stirrup (6) on the head of the tamping device is effected by way of at least one resilient element (8a) having a graduatedly progressive spring characteristic.
EP98101033A 1997-02-07 1998-01-22 Vibrating tamper Expired - Lifetime EP0857828B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19704495 1997-02-07
DE19704495A DE19704495A1 (en) 1997-02-07 1997-02-07 Vibration rammer

Publications (2)

Publication Number Publication Date
EP0857828A1 EP0857828A1 (en) 1998-08-12
EP0857828B1 true EP0857828B1 (en) 2001-12-05

Family

ID=7819488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98101033A Expired - Lifetime EP0857828B1 (en) 1997-02-07 1998-01-22 Vibrating tamper

Country Status (12)

Country Link
US (1) US6019179A (en)
EP (1) EP0857828B1 (en)
JP (1) JPH10219615A (en)
AT (1) ATE210227T1 (en)
AU (1) AU722562B2 (en)
BR (1) BR9800528A (en)
CA (1) CA2228924C (en)
DE (2) DE19704495A1 (en)
DK (1) DK0857828T3 (en)
ES (1) ES2168692T3 (en)
PT (1) PT857828E (en)
ZA (1) ZA98944B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3657807B2 (en) * 1999-03-26 2005-06-08 三笠産業株式会社 Rammer
JP4537594B2 (en) * 2001-02-07 2010-09-01 本田技研工業株式会社 Brush cutter
DE20105768U1 (en) * 2001-03-30 2001-06-21 Bomag Gmbh Vibration rammer
US6749365B2 (en) 2002-03-18 2004-06-15 M-B-W Inc. Vibration isolation for a percussion rammer
US6789631B1 (en) * 2003-02-27 2004-09-14 Benito Realme, Sr. Engine powered torque wrench
US7896575B2 (en) * 2008-02-20 2011-03-01 Wacker Neuson Corporation Soil compactor having low profile muffler
JP5301504B2 (en) * 2010-06-14 2013-09-25 株式会社日立建機カミーノ Ranma
DE102011115008A1 (en) * 2011-10-06 2013-04-11 Wacker Neuson Produktion GmbH & Co. KG Power tool with protective cover
DE102012024222A1 (en) * 2012-12-11 2014-06-12 Bomag Gmbh vibrorammer
DE102012024224A1 (en) * 2012-12-11 2014-06-26 Bomag Gmbh Hand-guided soil compacting machine, in particular vibration tamper and vibrating plate
CN108487224A (en) * 2018-03-13 2018-09-04 佛山市亚科恒远科技有限公司 A kind of construction site battering ram
DE102018007825A1 (en) * 2018-10-04 2020-04-09 Bomag Gmbh Method for controlling a soil compaction machine and soil compaction machine
CN111962494B (en) * 2020-08-20 2022-04-29 江苏华淼电子科技有限公司 Water conservancy slot lateral wall rammer compactor
CN112854183A (en) * 2021-02-26 2021-05-28 刘萍 Tamping device for bridge construction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186197A (en) * 1978-12-27 1980-01-29 Susumu Tetsuo Vibration ram
DE4433243A1 (en) * 1994-09-19 1996-03-28 Diehl Remscheid Gmbh & Co Handgrip or soil compactor
DE4436081A1 (en) * 1994-10-10 1996-04-11 Bomag Gmbh Vibration rammer
DE4445188C2 (en) * 1994-12-17 2000-10-05 Wacker Werke Kg Soil compaction equipment

Also Published As

Publication number Publication date
EP0857828A1 (en) 1998-08-12
US6019179A (en) 2000-02-01
ZA98944B (en) 1998-08-11
PT857828E (en) 2002-05-31
ES2168692T3 (en) 2002-06-16
AU5299498A (en) 1998-08-13
DE59802279D1 (en) 2002-01-17
DE19704495A1 (en) 1998-08-13
BR9800528A (en) 1999-07-06
DK0857828T3 (en) 2002-03-04
CA2228924C (en) 2007-12-04
AU722562B2 (en) 2000-08-03
ATE210227T1 (en) 2001-12-15
CA2228924A1 (en) 1998-08-07
JPH10219615A (en) 1998-08-18

Similar Documents

Publication Publication Date Title
EP0857828B1 (en) Vibrating tamper
EP0707115B1 (en) Vibrating tamper
DE2051626C3 (en) Vibration damper
DE3227858C2 (en)
DE2815723A1 (en) VIBRATION COMPRESSION DEVICE
EP1127983B1 (en) Vibrating plate compactor
DE202009000264U1 (en) damping element
EP1012404B1 (en) Working device with mass balancing on the crank mechanism
DE3000606C2 (en)
EP0446681B1 (en) Vibration damping arrangement for vertical oscillations
DE19739743C2 (en) Tool with reduced vibrations of the upper mass
DE3419356C1 (en) Attachment device for the sprayer booms of a field sprayer
EP1412581A1 (en) Stamper comprising a low-oscillation guiding handle
DE2918984C2 (en) Device for driving a shaft which is arranged to swing around its longitudinal axis
DE936845C (en) Suspension of a drive unit in a motor vehicle
DE1784135B2 (en) HAND-GUIDED COMPACTION DEVICE FOR BUILDING GROUND, CONCRETE, ASPHALT OR DGL.
DE544880C (en) Fixed screening plant with two counter-rotating balanced screens
DE19901138B4 (en) Tool for surface treatment of roads and roads
DE696032C (en)
DE2154364A1 (en) ELASTIC SUPPORTING OF THE DRIVER'S CAB OF TRUCK
DE828457C (en) Fork tedder
DE4418451C2 (en) Swing mechanism for a pendulum printer
DE2711503A1 (en) VIBRATION DAMPER FOR SKI
DE903646C (en) Resonance sieve with two masses oscillating against each other
DE1925723A1 (en) Movement measuring device for pedestrians, especially step counting device or displacement measuring device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB IE IT LI NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19980730

AKX Designation fees paid

Free format text: AT BE CH DE DK ES FR GB IE IT LI NL PT SE

RBV Designated contracting states (corrected)

Designated state(s): AT BE CH DE DK ES FR GB IE IT LI NL PT SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20010214

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BOMAG GMBH & CO. OHG

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB IE IT LI NL PT SE

REF Corresponds to:

Ref document number: 210227

Country of ref document: AT

Date of ref document: 20011215

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: R. A. EGLI & CO. PATENTANWAELTE

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 59802279

Country of ref document: DE

Date of ref document: 20020117

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20020307

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20020304

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2168692

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: BOMAG GMBH

Free format text: BOMAG GMBH & CO. OHG#HELLERWALD#56154 BOPPARD (DE) -TRANSFER TO- BOMAG GMBH#HELLERWALD#56154 BOPPARD (DE)

REG Reference to a national code

Ref country code: FR

Ref legal event code: CJ

Ref country code: FR

Ref legal event code: CD

NLT1 Nl: modifications of names registered in virtue of documents presented to the patent office pursuant to art. 16 a, paragraph 1

Owner name: BOMAG GMBH

REG Reference to a national code

Ref country code: PT

Ref legal event code: PD4A

Owner name: BOMAG GMBH, DE

Effective date: 20060502

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20100108

Year of fee payment: 13

Ref country code: IE

Payment date: 20100125

Year of fee payment: 13

Ref country code: DK

Payment date: 20100126

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20100121

Year of fee payment: 13

Ref country code: AT

Payment date: 20091123

Year of fee payment: 13

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20110722

BERE Be: lapsed

Owner name: *BOMAG G.M.B.H.

Effective date: 20110131

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110722

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110131

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110124

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20120124

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20130308

Year of fee payment: 16

Ref country code: SE

Payment date: 20130129

Year of fee payment: 16

Ref country code: GB

Payment date: 20130125

Year of fee payment: 16

Ref country code: FR

Payment date: 20130211

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20130125

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20120126

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130122

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20140324

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130123

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20140801

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20140122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140131

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140131

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140123

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140122

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20151218

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59802279

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170801