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EP0707115B1 - Vibrating tamper - Google Patents

Vibrating tamper Download PDF

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Publication number
EP0707115B1
EP0707115B1 EP95110696A EP95110696A EP0707115B1 EP 0707115 B1 EP0707115 B1 EP 0707115B1 EP 95110696 A EP95110696 A EP 95110696A EP 95110696 A EP95110696 A EP 95110696A EP 0707115 B1 EP0707115 B1 EP 0707115B1
Authority
EP
European Patent Office
Prior art keywords
tamping device
stirrup
articulation point
guide
guide stirrup
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
EP95110696A
Other languages
German (de)
French (fr)
Other versions
EP0707115A2 (en
EP0707115A3 (en
Inventor
Arno Dr.-Ing. Zürbes
Helmut Rötsch
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
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Application filed by Bomag GmbH and Co OHG filed Critical Bomag GmbH and Co OHG
Publication of EP0707115A2 publication Critical patent/EP0707115A2/en
Publication of EP0707115A3 publication Critical patent/EP0707115A3/en
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Publication of EP0707115B1 publication Critical patent/EP0707115B1/en
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Classifications

    • 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
    • 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
    • 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, which is approximately vertical due to a built-in drive Executes vibrations while being elastic hinged to the tamper head and one at the other end Handle with a guide bracket by an operator is to be held, with the guide bracket one over its hinge point has an ongoing extension.
  • Such rammers are available in numerous versions known and have been in the process of compression well proven in small areas. Through the guide bracket the operator is 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 opposite of the handle end Extension of the guide bracket serves as a crash protection or as an additional handle during transport.
  • the vibrations of the rammer are transmitted also on the guide bracket.
  • the operator is therefore dependent on the strength and frequency of the vibration and depending on the quality of the damping element between the guide bracket and tamper more or less often forced to take a break.
  • a tamper for soil compaction is known from US Pat. No. 3,856,426. whose guide bracket extends beyond its articulation point on the tamper Has extension, the articulation point of the guide bracket on the tamper head above one of the handle area of the bracket outgoing imaginary solder arranged on the rammer longitudinal axis is.
  • the guide bracket is connected to the tamper head via rubber elements connected.
  • a similar arrangement of the guide bracket on the tamper is also through US-A-4 014 620 is known.
  • the guide bracket is between different ones Operating positions pivotally arranged on the tamper head.
  • the task of the present is based on this Invention in that the known rammers to improve that the guide bracket with the same compaction performance the pounder lies more comfortably in the hand, the operator is therefore less burdened and the Business interruptions can be reduced.
  • the management or control possibility of Stampfers are fully preserved.
  • the quotient for the aforementioned regularity the weight distribution between 0.7 to 1.25, especially about 0.8 to 1.15 to lay and position the articulation point at least about 2 cm, preferably at least about 5 cm, above that of the bow handle outgoing, imaginary solder on the rammer longitudinal axis to provide.
  • FIG. 1 The overall view in FIG. 1 essentially shows one conventional vibratory rammer 1, the rammer foot 2 by a fuel engine 3 approximately vertical Vibrations.
  • the motor 3 drives this an eccentric, not shown, on which in turn, a piston rod 4 is mounted on with their lower end via preloaded springs 5 and 6 the pounder foot is tense.
  • the lower end of the pounder foot is covered by a obliquely attached tamper plate 2a formed so that the tamper is tilted slightly forward, in the embodiment at an angle of about 75 °.
  • Be Balance is maintained in that both the drive motor 3 as well as the fuel tank 7 on the other side of the rammer are arranged.
  • the bracket is a has a certain mass distribution that that in claim 1 obeys the stated lawfulness, whereby for Explanation of the individual masses and lever arms that are mentioned there, reference is made to FIG.
  • the guide bracket 10 is shown with its articulation point 11, the double arrow below the articulation point vibrations introduced there indicates. These vibrations do not run exactly vertically, but lengthways a complicated curve.
  • the handle end 10a not only movements in the vertical direction, but also exposed in the horizontal direction. These movements are due to the mass distribution according to the invention in surprisingly reduced or eliminated.
  • the formation of the tamper head is essential 8, which by an attachment 9 (see also Figure 3) is extended upwards and in this elevated area carries the guide bracket 10.
  • the essay 9 opposite to the longitudinal axis of the tamper, So angled towards the operator.
  • the articulation point 11 of the guide bracket 10 on the tamper head compared to conventional rammers extended upwards, but also towards the operator moved there.
  • the pivot point is therefore above that of the handle 10a of the guide bracket 10 outgoing solder L on the tamper longitudinal axis A.
  • the guide bracket can 10 run almost horizontally, from which also a reduction in vibration at the end of the handle results.
  • the figures show that the guide bracket 10 extended beyond the pivot point 11 to the front is and carries counterweights 12 there. Through these counterweights can be the desired mass distribution constant bracket geometry in a simple manner bring about.
  • Figure 4 shows an enlarged view of the pivot point 11 to illustrate the built in there Damping between the guide bracket 10 and the tamper head 8.
  • the guide bracket 10 is on both sides with a coupling piece 13 connected in the embodiment 4 has outwardly projecting projections.
  • the two middle protrusions protruding up and down 13a and 13b are in a damping element in Form of a suitable rubber-elastic molded part 14 embedded while the other two protrusions 13c and 13d in the rest position of the guide bracket 10 little or no contact with this molded part to have.
  • the shape of the coupling element 13 as well as the rubber-elastic fitting 14 as desired be. It is only essential that part of the Damping surfaces only after a certain deflection of the guide bracket takes effect.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Machines (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stored Programmes (AREA)
  • Surgical Instruments (AREA)
  • Cartons (AREA)
  • Closures For Containers (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Cosmetics (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Golf Clubs (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

The connecting point (11) of the handle (10) to the stamper (8) lies above a point which is the crossing point of a given line (L). It runs at right angles to the centreline (A) of the stamper. The extension (10b) of the handle carries a counterweight (12). The division of the masses, over the handle and its extension, is so that the product of the mass of the counterweight times the two lengths (lv, lva) which determine its position, divided by the product of the mass of the stamper times the lengths (lB, lBa), which define its position is 0.6 to 1.5.

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 am anderen Ende einen Griff aufweisenden Führungsbügel von einer Bedienungsperson zu halten ist, wobei der Führungsbügel eine über seinen Anlenkpunkt hinaus laufende Verlängerung aufweist.The invention relates to a tamper for soil compaction, which is approximately vertical due to a built-in drive Executes vibrations while being elastic hinged to the tamper head and one at the other end Handle with a guide bracket by an operator is to be held, with the guide bracket one over its hinge point has an ongoing extension.

Derartige 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. Die dem Griffende entgegengesetzte Verlängerung des Führungsbügels dient als Rammschutz oder als zusätzlicher Griff beim Transport.Such rammers are available in numerous versions known and have been in the process of compression well proven in small areas. Through the guide bracket the operator is 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 opposite of the handle end Extension of the guide bracket serves as a crash protection or as an additional handle during transport.

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 Dämpfungselementes zwischen Führungsbügel und Stampfer mehr oder weniger oft gezwungen, eine Pause einzulegen. However, the vibrations of the rammer are transmitted also on the guide bracket. The operator is therefore dependent on the strength and frequency of the vibration and depending on the quality of the damping element between the guide bracket and tamper more or less often forced to take a break.

Durch die US-A-3 856 426 ist ein Stampfer zur Bodenverdichtung bekannt, dessen Führungsbügel eine über seinen Anlenkpunkt am Stampfer hinauslaufende Verlängerung aufweist, wobei der Anlenkpunkt des Führungsbügels am Stampferkopf oberhalb eines vom Griffbereich des Bügels ausgehenden gedachten Lotes auf die Stampfer-Längsachse angeordnet ist. Dabei ist der Führungsbügel über Gummielemente mit dem Stampferkopf verbunden.A tamper for soil compaction is known from US Pat. No. 3,856,426. whose guide bracket extends beyond its articulation point on the tamper Has extension, the articulation point of the guide bracket on the tamper head above one of the handle area of the bracket outgoing imaginary solder arranged on the rammer longitudinal axis is. The guide bracket is connected to the tamper head via rubber elements connected.

Eine ähnliche Anordnung des Führungsbügels am Stampfer ist auch durch die US-A-4 014 620 bekannt. Dabei ist der Führungsbügel zwischen unterschiedlichen Betriebspositionen schwenkbar am Stampferkopf angeordnet. A similar arrangement of the guide bracket on the tamper is also through US-A-4 014 620 is known. The guide bracket is between different ones Operating positions pivotally arranged on the tamper head.

Hiervon ausgehend liegt die Aufgabe der vorliegenden Erfindung darin, die bekannten Stampfer dahingehend zu verbessern, daß der Führungsbügel bei gleicher Verdichtungsleistung des Stampfers ruhiger in der Hand liegt, die Bedienungsperson also weniger belastet wird und die Betriebsunterbrechungen reduziert werden können. Dabei soll die Führungs- bzw. Steuerungsmöglichkeit des Stampfers in vollem Umfang gewahrt bleiben.The task of the present is based on this Invention in that the known rammers to improve that the guide bracket with the same compaction performance the pounder lies more comfortably in the hand, the operator is therefore less burdened and the Business interruptions can be reduced. Here should the management or control possibility of Stampfers are fully preserved.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.This object is achieved by the features of claim 1.

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 die Massenverteilung des Führungsbügels entscheidenden Einfluß auf die Schwingungsübertragung haben. Sie hat dabei überraschenderweise festgestellt, daß eine Verlängerung des Stampfers nach oben, derart, daß der Führungsbügel oder genauer gesagt, die Verbindung zwischen Griff und Anlenkpunkt, nicht mehr, wie bisher üblich, senkrecht zur Längsachse des Stampfers steht, sondern nur noch einen Winkel von etwa 70° bis etwa 80° zur Stampferlängsachse aufweist, eine deutliche Verringerung der Vibrationen am Griffende des Führungsbügels eintritt. Unterstützt wird dies noch dadurch, daß der Schwerpunkt des Bügels vom Griffbereich weg verlegt wird, indem eine Massenverteilung am Führungsbügel entsprechend der im Anspruch 1 genannten Gesetzmäßigkeit gewählt wird. 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 transmission of vibrations from the tamper to the guide bracket carried out and is about the realization come that less the elastic articulation on Rammer rather than the position of the articulation point and decisive the mass distribution of the guide bracket Influence on vibration transmission to have. Surprisingly, she found that an extension of the rammer upwards, such that the guide bracket, or more specifically, the connection between handle and pivot point, no longer how previously common, perpendicular to the longitudinal axis of the rammer stands, but only an angle of about 70 ° to about 80 ° to the ram longitudinal axis, a clear Reduction of vibrations at the handle end of the guide bracket entry. This is supported in that the center of gravity of the bracket from the handle area is moved away by a mass distribution on Guide bracket according to the law mentioned in claim 1 is chosen. This will make the dynamic Torques of the guide bracket influenced in such a way that translational and rotary movements, that overlap at the end of the handle, almost cancel it out.

In weiterer Ausgestaltung der Erfindung empfiehlt es sich, den Quotienten für die vorgenannte Gesetzmäßigkeit der Gewichtsverteilung etwa zwischen 0,7 bis 1,25, insbesondere etwa 0,8 bis 1,15 zu legen und die Position des Anlenkpunktes zumindest etwa 2 cm, vorzugsweise zumindest etwa 5 cm, oberhalb des vom Bügelgriff ausgehenden, gedachten Lotes auf die Stampfer-Längsachse vorzusehen.In a further embodiment of the invention, it is recommended itself, the quotient for the aforementioned regularity the weight distribution between 0.7 to 1.25, especially about 0.8 to 1.15 to lay and position the articulation point at least about 2 cm, preferably at least about 5 cm, above that of the bow handle outgoing, imaginary solder on the rammer longitudinal axis to provide.

Besonders günstig ist es in diesem Zusammenhang, wenn der Führungsbügel an seiner über den Stampferkopf hinaus ragenden Verlängerung ein Gegengewicht trägt, um die gewünschte Massenverteilung zu realisieren. In this context, it is particularly favorable if the guide bracket on his over the tamper head protruding extension carries a counterweight to to realize the desired mass distribution.

Weiterhin hat es sich als zweckmäßig erwiesen, daß der Anlenkpunkt des Führungsbügels aus der Längsachse des Stampfers herausverlegt wird in Richtung zum Griffbereich des Bügels.Furthermore, it has proven to be useful that the Articulation point of the guide bracket from the longitudinal axis of the Pounder is moved out towards the handle area of the bracket.

Schließlich empfiehlt es sich, die Anlenkung des Führungsbügels am Stampferkopf 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 via at least one elastic Element with graded progressive spring characteristic bring about. This graduated progressive spring characteristic can by additional damping surfaces of the elastic element can be realized in the rest position are spaced from the bracket and only after a certain deflection of the guide bracket 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 in teilweiser Schnittdarstellung;
Figur 2
eine schematische Darstellung der Massenverteilung am Führungsbügel;
Figur 3
eine vergrößerte Frontalansicht des Stampferkopfes, teilweise im Schnitt und
Figur 4
eine vergrößerte Seitenansicht des Stampferkopfes.
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 in a partial sectional view;
Figure 2
a schematic representation of the mass distribution on the guide bracket;
Figure 3
an enlarged front view of the tamper head, partly in section and
Figure 4
an enlarged side view of the tamper head.

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 4 gelagert ist, die an ihrem unteren Ende über vorgespannte Federn 5 und 6 mit dem Stampferfuß verspannt ist.The overall view in FIG. 1 essentially shows one conventional vibratory rammer 1, the rammer foot 2 by a fuel engine 3 approximately vertical Vibrations. The motor 3 drives this an eccentric, not shown, on which in turn, a piston rod 4 is mounted on with their lower end via preloaded springs 5 and 6 the pounder foot is tense.

Das untere Ende des Stampferfußes wird durch eine schräg angesetzte Stampferplatte 2a gebildet, so daß 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 7 an der anderen Seite des Stampfers angeordnet sind.The lower end of the pounder foot is covered by a obliquely attached tamper plate 2a formed so that the tamper is tilted slightly forward, in the embodiment at an angle of about 75 °. Be Balance is maintained in that both the drive motor 3 as well as the fuel tank 7 on the other side of the rammer are arranged.

Wesentlich ist nun zum einen, daß der Haltebügel eine bestimmte Massenverteilung aufweist, die der im Anspruch 1 angegebenen Gesetzmäßigkeit gehorcht, wobei zur Erläuterung der einzelnen Massen und Hebelarme, die dort genannt sind, auf Figur 2 verwiesen wird. Dort ist der Führungsbügel 10 mit seinem Anlenkpunkt 11 gezeigt, wobei der Doppelpfeil unterhalb des Anlenkpunktes die dort eingeleiteten Vibrationen andeutet. Diese Vibrationen verlaufen nicht genau vertikal, sondern längs einer komplizierten Kurvenbahn. Daher ist das Griffende 10a nicht nur Bewegungen in Vertikalrichtung, sondern auch in Horizontalrichtung ausgesetzt. Diese Bewegungen werden durch die erfindungsgemäße Massenverteilung in überraschender Weise reduziert bzw. eliminiert.It is essential on the one hand that the bracket is a has a certain mass distribution that that in claim 1 obeys the stated lawfulness, whereby for Explanation of the individual masses and lever arms that are mentioned there, reference is made to FIG. There is the guide bracket 10 is shown with its articulation point 11, the double arrow below the articulation point vibrations introduced there indicates. These vibrations do not run exactly vertically, but lengthways a complicated curve. Hence the handle end 10a not only movements in the vertical direction, but also exposed in the horizontal direction. These movements are due to the mass distribution according to the invention in surprisingly reduced or eliminated.

Wesentlich ist zum anderen die Ausbildung des Stampferkopfes 8, der durch einen Aufsatz 9 (vgl. auch Figur 3) nach oben verlängert ist und in diesem erhöhten Bereich den Führungsbügel 10 trägt. Gleichzeitig ist der Aufsatz 9 gegenüber der Stampfer-Längsachse nach hinten, also zur Bedienungsperson hin, abgewinkelt. Dadurch wird der Anlenkpunkt 11 des Führungsbügels 10 am Stampferkopf gegenüber herkömmlichen Stampfern nicht nur nach oben verlängert, sondern auch in Richtung zur Bedienungsperson hin versetzt. Der Anlenkpunkt liegt daher oberhalb des vom Griff 10a des Führungsbügels 10 ausgehenden Lotes L auf die Stampfer-Längsachse A. Durch diese Position des Anlenkpunktes 11 kann der Führungsbügel 10 nahezu horizontal verlaufen, woraus ebenfalls eine Schwingungsverringerung am Griffende resultiert.On the other hand, the formation of the tamper head is essential 8, which by an attachment 9 (see also Figure 3) is extended upwards and in this elevated area carries the guide bracket 10. At the same time is the essay 9 opposite to the longitudinal axis of the tamper, So angled towards the operator. Thereby the articulation point 11 of the guide bracket 10 on the tamper head compared to conventional rammers extended upwards, but also towards the operator moved there. The pivot point is therefore above that of the handle 10a of the guide bracket 10 outgoing solder L on the tamper longitudinal axis A. Through this position of the articulation point 11, the guide bracket can 10 run almost horizontally, from which also a reduction in vibration at the end of the handle results.

Des weiteren zeigen die Figuren, daß der Führungsbügel 10 über den Anlenkpunkt 11 hinaus nach vorn verlängert ist und dort Gegengewichte 12 trägt. Durch diese Gegengewichte läßt sich die gewünschte Massenverteilung bei gleichbleibender Bügelgeometrie in einfacher Weise herbeiführen.Furthermore, the figures show that the guide bracket 10 extended beyond the pivot point 11 to the front is and carries counterweights 12 there. Through these counterweights can be the desired mass distribution constant bracket geometry in a simple manner bring about.

Figur 4 zeigt eine vergrößerte Darstellung des Anlenkpunktes 11 zur Verdeutlichung der dort eingebauten Dämpfung zwischen Führungsbügel 10 und Stampferkopf 8. Dazu ist der Führungsbügel 10 beidseits jeweils mit einem Kupplungsstück 13 verbunden, das im Ausführungsbeispiel 4 nach außen ragende Vorsprünge aufweist. Die beiden mittleren, nach oben und unten ragenden Vorsprünge 13a und 13b sind in ein Dämpfungselement in Form eines passenden gummielastischen Formteiles 14 eingebettet, während die beiden anderen Vorsprünge 13c und 13d in der Ruheposition des Führungsbügels 10 keinen oder nur geringen Kontakt mit diesem Formteil haben. Dies hat zur Folge, daß die beim Betrieb des Stampfers auftretenden Schwenkbewegungen zwischen Führungsbügel und Stampfer zunächst nur an den Vorsprüngen 13a und 13b gedämpft werden und die Dämpfung an den übrigen Vorsprüngen erst nach einer bestimmten Auslenkung des Führungsbügels wirksam wird. Man erhält dadurch eine abgestufte Dämpfung, die sich ergonomisch besonders günstig auswirkt.Figure 4 shows an enlarged view of the pivot point 11 to illustrate the built in there Damping between the guide bracket 10 and the tamper head 8. For this purpose, the guide bracket 10 is on both sides with a coupling piece 13 connected in the embodiment 4 has outwardly projecting projections. The two middle protrusions protruding up and down 13a and 13b are in a damping element in Form of a suitable rubber-elastic molded part 14 embedded while the other two protrusions 13c and 13d in the rest position of the guide bracket 10 little or no contact with this molded part to have. As a result, the operation of the Stompers occurring swivel movements between the guide bracket and rammers initially only on the protrusions 13a and 13b are damped and the damping to the remaining projections only after a certain deflection of the guide bracket takes effect. You get this results in a graduated cushioning that is ergonomic has a particularly favorable effect.

Selbstverständlich kann die Form des Kupplungselementes 13 wie auch des gummielastischen Formstückes 14 beliebig sein. Wesentlich ist lediglich, daß ein Teil der Dämpfungsflächen erst nach einer bestimmten Auslenkung des Führungsbügels wirksam wird.Of course, the shape of the coupling element 13 as well as the rubber-elastic fitting 14 as desired be. It is only essential that part of the Damping surfaces only after a certain deflection of the guide bracket takes effect.

Claims (7)

  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 (10) that is articulated resiliently on the head (8) of the tamping device and has a grip (10a) at the other end, the guide stirrup (10) having an extension piece (10b) extending beyond its articulation point (11),
    characterised in that
    for a guide stirrup (10) imagined to be divided at the articulation point (11), the mass distribution of the guide stirrup fulfils the following equation: mV × lV × lVG mB × lB × lBG = 0.6 - 1.5 (quotient) where
    mV =
    the mass of the extension piece (10b) together with attachments;
    mB =
    the mass of the guide stirrup extending from the articulation point (11) to the grip (10a), together with attachments;
    lV =
    the distance between the centre of gravity of mV and the articulation point (11);
    lB =
    the distance between the centre of gravity of mB and the articulation point (11);
    lVG =
    the distance between the centre of gravity of mV and the grip (10a);
    lBG =
    the distance between the centre of gravity of mB and the grip (10a).
  2. Tamping device according to claim 1,
    characterised in that
    the above-mentioned quotient for the weight distribution is from 0.7 to 1.25, especially from 0.8 to 1.15.
  3. Tamping device according to claim 1,
    characterised in that
    the articulation point (11) of the guide stirrup (10) is arranged at least about 2 cm, especially from 3 cm to 20 cm, above an imagined perpendicular (L) to the longitudinal axis (A) of the tamping device, the perpendicular extending out from the grip region of the stirrup (10).
  4. Tamping device according to claim 1,
    characterised in that
    the articulation point (11) of the guide stirrup (10) is displaced relative to the longitudinal axis (A) of the tamping device in the direction towards the grip region of the guide stirrup (10).
  5. Tamping device according to claim 1,
    characterised in that
    the extension piece (10b) of the guide stirrup (10) has a counterweight (12).
  6. Tamping device according to claim 1,
    characterised in that
    the articulation of the guide stirrup (10) on the head (8) of the tamping device is effected by way of at least one resilient element (13) having a graduatedly progressive spring characteristic.
  7. Tamping device according to claim 6,
    characterised in that
    the graduatedly progressive spring characteristic is realised by additional damping surfaces of the resilient element (13) which come into operative connection with the guide stirrup (10) only after the guide stirrup (10) has been deflected by a defined amount.
EP95110696A 1994-10-10 1995-07-08 Vibrating tamper Expired - Lifetime EP0707115B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4436081 1994-10-10
DE4436081A DE4436081A1 (en) 1994-10-10 1994-10-10 Vibration rammer

Publications (3)

Publication Number Publication Date
EP0707115A2 EP0707115A2 (en) 1996-04-17
EP0707115A3 EP0707115A3 (en) 1996-09-18
EP0707115B1 true EP0707115B1 (en) 1999-10-06

Family

ID=6530332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110696A Expired - Lifetime EP0707115B1 (en) 1994-10-10 1995-07-08 Vibrating tamper

Country Status (9)

Country Link
US (1) US5645370A (en)
EP (1) EP0707115B1 (en)
JP (1) JP2949475B2 (en)
AT (1) ATE185387T1 (en)
BR (1) BR9504329A (en)
CA (1) CA2158793C (en)
DE (2) DE4436081A1 (en)
ES (1) ES2139118T3 (en)
ZA (1) ZA958507B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19629324C1 (en) * 1996-07-20 1997-10-16 Wacker Werke Kg Vibration plate with floor contact plate
DE19704495A1 (en) * 1997-02-07 1998-08-13 Bomag Gmbh Vibration rammer
DE29707017U1 (en) * 1997-04-18 1997-07-10 Wacker-Werke Gmbh & Co Kg, 85084 Reichertshofen Ramming device for soil compaction
DE19739743C2 (en) * 1997-09-10 1999-07-08 Wacker Werke Kg Tool with reduced vibrations of the upper mass
DE19830979C2 (en) * 1998-07-10 2002-10-24 Wacker Werke Kg Pounding device with vibration-damped guide cylinder
JP3657807B2 (en) * 1999-03-26 2005-06-08 三笠産業株式会社 Rammer
WO2000067634A2 (en) * 1999-05-10 2000-11-16 Mault James R Airway-based cardiac output monitor and methods for using same
GB2356235A (en) 1999-11-13 2001-05-16 Benford Ltd Compactor machine
US6409426B1 (en) 2000-02-22 2002-06-25 Maclellan Kevin Vibratory tamping tool
JP4537594B2 (en) * 2001-02-07 2010-09-01 本田技研工業株式会社 Brush cutter
JP2002327404A (en) * 2001-05-01 2002-11-15 Sakai Heavy Ind Ltd Compactor
US6749365B2 (en) 2002-03-18 2004-06-15 M-B-W Inc. Vibration isolation for a percussion rammer
DE102004015588A1 (en) * 2004-03-01 2005-09-22 Bomag Gmbh Hand-steered, self-propelled earth-firming machine, e.g. vibrating plate, vibrating roller or tamper, has four flexible shock absorbers at corners of machine console which is attached to handle
USD542810S1 (en) * 2006-05-11 2007-05-15 Mikasa Sangyo Co., Ltd. Rammer
US20100296869A1 (en) * 2008-01-24 2010-11-25 Catanzarite David M Powered construction ground compactor and method of making
DE102009017209B4 (en) * 2009-04-09 2011-05-05 Bomag Gmbh Soil compaction machine with internal combustion engine and improved air supply
JP5301504B2 (en) * 2010-06-14 2013-09-25 株式会社日立建機カミーノ Ranma
DE102010047943A1 (en) 2010-10-08 2012-04-12 Bomag Gmbh Vibratory rammer with stamper foot
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
US20160340849A1 (en) * 2015-05-18 2016-11-24 M-B-W, Inc. Vibration isolator for a pneumatic pole or backfill tamper
CN108930264A (en) * 2018-09-03 2018-12-04 侯明明 A kind of road construction soil compaction device
CN114776020B (en) * 2022-04-12 2024-07-12 中国港湾工程有限责任公司 Vibrating rod
USD1094472S1 (en) * 2023-11-08 2025-09-23 Black & Decker Inc. Rammer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR888976A (en) * 1941-11-27 1943-12-28 Robert Wacker Kom Ges Hand-driven compression device
US3856426A (en) * 1972-07-25 1974-12-24 Losenhausen Maschinenbau Ag Ramming or tamping machine or the like
US4014620A (en) * 1974-08-28 1977-03-29 Koehring Gmbh - Bomag Division Vibratory tamper

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US806797A (en) * 1904-10-01 1905-12-12 Henry R Worthington Condenser.
US2054851A (en) * 1933-12-05 1936-09-22 Dornfeld Reinhold Power ram
DE1179876B (en) * 1960-07-20 1964-10-15 Fichtel & Sachs Ag Impact and ramming device powered by an internal combustion engine
FR1348015A (en) * 1963-01-16 1964-01-04 Master Cons Improvements to tamping machines
DE1209066B (en) * 1963-11-15 1966-01-13 Wacker Hermann Hand-operated, motor-driven ramming device
US3308728A (en) * 1964-08-28 1967-03-14 Gerald H Brown Tamping machine
DE1941695U (en) * 1966-02-16 1966-06-30 Losenhausenwerk Duesseldorfer DEVICE FOR VIBRATIONAL FASTENING OF A HANDLE TO THE HOUSING OF A VIBRATING DEVICE.
GB1231233A (en) * 1967-10-21 1971-05-12
US4186197A (en) * 1978-12-27 1980-01-29 Susumu Tetsuo Vibration ram
US4557336A (en) * 1982-09-23 1985-12-10 Stone Construction Equipment, Inc. Alignment mechanism for ram type compactors
US4895478A (en) * 1988-08-22 1990-01-23 M-B-W Inc. Adjustable handle construction for a compaction apparatus
US5340233A (en) * 1992-10-07 1994-08-23 M-B-W Inc. Pneumatically operated rammer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR888976A (en) * 1941-11-27 1943-12-28 Robert Wacker Kom Ges Hand-driven compression device
US3856426A (en) * 1972-07-25 1974-12-24 Losenhausen Maschinenbau Ag Ramming or tamping machine or the like
US4014620A (en) * 1974-08-28 1977-03-29 Koehring Gmbh - Bomag Division Vibratory tamper

Also Published As

Publication number Publication date
EP0707115A2 (en) 1996-04-17
BR9504329A (en) 1996-10-08
ES2139118T3 (en) 2000-02-01
DE4436081A1 (en) 1996-04-11
US5645370A (en) 1997-07-08
JPH08120616A (en) 1996-05-14
DE59506982D1 (en) 1999-11-11
ZA958507B (en) 1996-07-29
JP2949475B2 (en) 1999-09-13
CA2158793C (en) 2001-09-18
EP0707115A3 (en) 1996-09-18
CA2158793A1 (en) 1996-04-11
ATE185387T1 (en) 1999-10-15

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