EP2357283B1 - Guide device with reduced vibration - Google Patents

Guide device with reduced vibration Download PDF

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Publication number
EP2357283B1
EP2357283B1 EP10016109.0A EP10016109A EP2357283B1 EP 2357283 B1 EP2357283 B1 EP 2357283B1 EP 10016109 A EP10016109 A EP 10016109A EP 2357283 B1 EP2357283 B1 EP 2357283B1
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EP
European Patent Office
Prior art keywords
guide device
vibration
guide apparatus
soil compaction
guide
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.)
Active
Application number
EP10016109.0A
Other languages
German (de)
French (fr)
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EP2357283A1 (en
Inventor
Niels Laugwitz
Thomas Steeg
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
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Bomag GmbH and Co OHG
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Publication of EP2357283A1 publication Critical patent/EP2357283A1/en
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Classifications

    • 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
    • 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
    • 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
    • E01C19/38—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 with means specifically for generating vibrations, e.g. vibrating plate compactors, immersion vibrators

Definitions

  • the invention relates to a vibration-reduced guide device for a hand-held soil compaction machine, in particular for a vibrating plate.
  • Hand-held soil compaction machines such as vibratory plates or rammers, which are preferably used on smaller or medium-sized sites, usually have designed as a bracket or drawbar devices for guiding the soil compacting machine.
  • "Guidanceā€ is understood to mean all processes which cause a change in the direction of movement and also in the speed of the soil compaction machine.
  • vibrations generated by vibration exciters are transmitted not only to the substrate to be compacted but also to the guide device of the machine, which is perceived by the machine operators who need to hold the handle of the guide device during operation of the machine as disturbing. With increasing duration, the vibration loads can lead to serious damage to health. To protect the operators of such soil compacting machines, there are national and international guidelines with specifications for permissible acceleration values, which manufacturers must comply with.
  • Soil compacting machines in particular vibrating or vibrating plates, have a frame to which inter alia the internal combustion engine and also the guiding device are fastened.
  • elastomers are incorporated as damping means between the guide device and the frame of the soil compacting machine to reduce the transmission of vibrations primarily, ie from the frame of the soil compacting machine to the spars of the guide device.
  • conventional guide devices may comprise a handle, which is connected via additional damping means with the spars or the drawbar of the guide device to the Transmission of vibrations secondary, ie from the spars or drawbar on the handle to reduce, such as in US 6,749,365 B2 or in DE 20 2006 008 542 U1 is shown.
  • the invention is therefore based on the object to provide a guide device of the type mentioned, which overcomes the above-mentioned disadvantages of the prior art.
  • the guide device according to the invention for a hand-held soil compaction machine is at least partially bendable soft, for example, formed like a cord and connected to the guide bracket of the soil compaction machine.
  • the guide device comprises at least sections with high flexibility. If one were to mark a number of points in a line with equal distances between two points on an object, the distances and the positions of the points would not or only slightly change in the case of a rigid object due to external forces, as long as there is no plastic deformation or crack, whereas in the case of a flexible object, the distances and the positions of the points to each other in all coordinate directions can be changed, without any plastic deformation or crack.
  • the guide device according to the invention may be formed only partially or completely flexible. Bending softness of a portion of the guide device according to the invention is due to the material used on the one hand and on the structural design of the section on the other.
  • the guide device according to the invention is designed according to a first advantageous embodiment only for the transmission of tensile forces.
  • Case 1 describes the transmission of the vibration from the frame to the operator.
  • Case 2 describes the reverse direction of force flow, namely the transmission of the steering force from the operator to the frame.
  • the guide device according to the invention causes the transfer of the harmful vibrations to the operator is reduced to a minimum, since on the one hand no pressure forces can be transmitted and on the other hand only a small proportion of tensile forces is transmitted, if the flexurally soft portion of the guide device not is completely stretched, ie the longitudinal axis of the flexible portion forms no straight line.
  • the guide device according to the invention allows a safe steering movement by pulling on the guide device.
  • the operation of the guide device according to the invention is comparable to that of a rein.
  • the guide device can be kept loose, ie the flexible section of the guide device is not tensioned.
  • the vibration loads on the handle of the operator can be reduced so much with the aid of the guide device according to the invention that extremely low acceleration values of less than 1 m / s 2 are measured by the loose holding of the handle during straight-ahead running of the vibrating plate. Even when guiding the plate with countersteering, values of less than 2.5 m / s 2 are measured. Even in the extreme case, namely when pulling the guide device for braking or retracting, significantly lower vibrations are transmitted compared to rigid guide devices, since only the transmission of tensile forces is possible.
  • the guide device is at least partially formed like a cord.
  • String although other names such as rope, wire, thread, leash, etc. are conceivable, is characterized by a substantially round cross-section. As a result, they take on extremely low construction volume and weight with sufficient flexural softness and simultaneous tensile strength.
  • the guide device is at least partially formed band-like.
  • Band-like means that the cross section substantially represents a rectangle, wherein the ratio width to height is selected such that the cross section assumes the shape of a line. This allows a systematic winding of the guide device according to the invention into a roll, so that even a small storage space is sufficient.
  • the guide device is at least partially formed like a chain.
  • a chain is characterized by the fact that, even if the individual chain links themselves are resistant to bending, they can, on the whole, be regarded as flexible and flexible.
  • the guide device comprises a rigid handle.
  • the guide device would consist of a handle and at least one bendable portion which connects the handle to the guide bracket of the soil compaction machine. It is also possible to use two separate handles, each with a flexible connection to provide the guide bracket.
  • the handle is equipped with grip and at the same time the vibration further reducing surface.
  • the guide device comprises control means for a wireless or wired control of the soil compaction machine.
  • Control means may for example in the form of switches, levers, encoders, etc. and also as a display means for controlling the soil compaction machine, for example, on / off the machine, adjusting the propulsion speed, adjusting the vibration parameters of the pathogen, display important operating parameters, etc. contribute. They can either be wireless (remote control) or wired. Further, they may be made integral with the guide device or separately attached to the guide device.
  • the guide device comprises plastic material.
  • plastic is used as material for the guide device according to the invention.
  • Plastic is characterized by its low weight and sufficiently high tensile strength.
  • different forms of design are possible in a simple manner.
  • guide devices made of plastic materials can be produced inexpensively in large quantities.
  • Another advantage of plastic material is corrosion resistance.
  • the guide device has elastic properties.
  • the vibration can be further reduced.
  • the guide device has a variably adjustable length.
  • the length of the guide device is infinitely variably adjustable.
  • the length can be adjusted, for example, according to the size of the operator or other external conditions.
  • the guide device is bendable, at least in sections, it is advisable to set the desired length by means of a roll-up and locking mechanism, which can be integrated in the connection point between the frame of the soil compaction machine and the guide device.
  • the guide device is connected to two, with respect to a longitudinal center axis of the soil compaction machine opposite connection points with the soil compaction machine.
  • the guide device is connected to the guide bracket of the soil compaction machine.
  • This variant is also ideal for retrofitting existing soil compaction machines with existing guide bars or drawbars.
  • a vibration-reduced guide device is provided in a simple and cost-effective manner, without the steering ability of the soil compaction machine restricted and without a thorough redesign or conversion would be necessary.
  • Only one or two suitable connection points have to be selected on any hand-held ground compaction machine to which the guide device according to the invention is attached.
  • the guide device according to the invention can be made removable, so that it can be easily removed during transport or disuse of the machine.
  • a locking means may be provided, which, if not used, can hold the guide device in a space-saving locking position on the guide bracket so that it does not present an obstacle to the operator.
  • the guide device is constructed in two parts and connected at two connection points with the guide bracket. It is connected to the guide bracket so that it is designed for both steering and control functions.
  • the guide device is connected according to this variant at a total of four points with the guide bracket, with the possibility exists to assign each of these points a specific function, such as steering in a particular direction, acceleration, braking, etc.
  • the invention further relates to a vibration plate for soil compaction with a guide device according to one of claims 1 to 12.
  • the invention also relates to a method for guiding a soil compaction machine with a guide device according to one of claims 1 to 12.
  • the guide device is held in a holding mode stress-free by an operator and tense in a steering mode by pulling.
  • the guide device or the flexurally soft portion of the guide device In the holding mode, the guide device or the flexurally soft portion of the guide device is not tensioned, so that the longitudinal axis of the flexible portion is not a straight line, but a curve. Thus, the transmission of vibrations from the agents to the operator is largely prevented. Nevertheless, the operator is able to react quickly if a change of direction or braking is required.
  • the guide device or the flexurally soft portion of the guide device is tensioned by pulling, d. H. the longitudinal axis of the flexurally soft portion forms a straight line, so that the steering force can be transmitted as a tensile force on the vibrating plate. Once the steering movement has taken place, the operator can relax the guide device or the flexurally soft section of the guide device again and continue to move in the low-vibration holding mode.
  • FIG. 1 shows a vibrating plate 1 with a frame 3.
  • the frame 3 is at the junction 4 of the guide bracket 2 of the vibrating plate 1 is connected.
  • damping elements (not shown) made of elastomer for vibration reduction are arranged.
  • the guide bracket 2 is basically also suitable as a guide device for the vibration plate 2, but the vibrations originating from the vibration exciters can not be reduced to the desired extent on the handle of the guide bracket 2, ie the cross connection between the beams of the guide bracket 2. Therefore, the guide device 10 according to the invention is attached to the connection points 5.
  • the guide device 10 according to the invention according to the in FIG. 1 Example shown comprises a handle 10b made of plastic material and two flexible sections 10a made of plastic cord that connect the handle 10b with the guide bracket 2.
  • the guide device 10 is embodied here as an accessory to the guide bracket 2. It is possible to arrange the guide device 10 not on the guide bracket 2, but for example directly on the frame 3.
  • FIG. 1 shows the guide device 10 according to the invention in the holding mode, ie the operator (not shown), which is located behind the guide bracket 2 of the advancing vibration plate 1, embraces with his hands (not shown) the handle 10b of the guide device 10.
  • the flexurally soft Sections 10a of the guide device 10 are not tensioned so that they take the form of a bow, as in FIG. 2 is clearly visible.
  • the operator hardly feels vibrations on his hands, since the flexurally soft portions 10a largely prevent the vibration transmission from the guide bracket 2 to the handle 10b.
  • FIG. 3 shows the guide device 10 according to the invention in the steering mode.
  • the operator pulls the handle 10b towards him.
  • the flexurally soft sections 10a are tensioned, ie their longitudinal axes each form a straight line, so that a tensile force transmission is made possible by the operator on the vibrating plate 1 for the purpose of changing direction.
  • the dashed line in FIG. 3 an alternative position of the guide device 10 is illustrated in the steering mode.
  • FIG. 4 shows the guide device 10 according to the invention in the sleep mode.
  • the flexural softness of the portion 10a leads at a standstill of the vibrating plate 1 when the operator Release handle 10b, due to the weight of the guide device 10 to an alignment of the flexurally soft portion 10a parallel to the direction of the gravitational acceleration vector G ,
  • FIG. 5 shows the guide device 10 according to the invention in the locking mode.
  • a locking means 11 may be provided, which holds the handle 10b in this locking position shown.
  • FIG. 6 shows a further embodiment of the guide device 10 according to the invention.
  • it is constructed in two parts, ie it comprises two separate parts.
  • Handle 10b ' is for the left hand and handle 10b' is for the right hand of the operator
  • the operator can hold the two handles 10b 'and 10b' loosely so that the flexible portions 10a are unstressed hardly vibrations are transmitted to the operator.
  • connection points 5 ', 5 are intended for steering, and the pulling on the lower part of the left handle 10b' in the direction of the arrow L 'causes a steering movement to the left, pulling the lower part of the right handle 10b" in the direction
  • control means 14', 14 for example control levers

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Architecture (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Machines (AREA)

Description

Die Erfindung betrifft eine schwingungsreduzierte FĆ¼hrungsvorrichtung fĆ¼r eine handgefĆ¼hrte Bodenverdichtungsmaschine, insbesondere fĆ¼r eine Vibrationsplatte.The invention relates to a vibration-reduced guide device for a hand-held soil compaction machine, in particular for a vibrating plate.

HandgefĆ¼hrte Bodenverdichtungsmaschinen, wie beispielsweise Vibrationsplatten oder Stampfer, welche vorzugsweise auf kleineren oder mittelgroƟen Baustellen eingesetzt werden, weisen meistens als BĆ¼gel oder Deichsel ausgebildete Vorrichtungen zur FĆ¼hrung der Bodenverdichtungsmaschine auf. Unter "FĆ¼hrung" werden sƤmtliche VorgƤnge verstanden, die eine Ƅnderung der Bewegungsrichtung und auch der Geschwindigkeit der Bodenverdichtungsmaschine hervorrufen.Hand-held soil compaction machines, such as vibratory plates or rammers, which are preferably used on smaller or medium-sized sites, usually have designed as a bracket or drawbar devices for guiding the soil compacting machine. "Guidance" is understood to mean all processes which cause a change in the direction of movement and also in the speed of the soil compaction machine.

Die Ć¼ber Schwingungserreger erzeugte Vibrationen werden nicht nur auf den zu verdichtenden Untergrund sondern auch auf die FĆ¼hrungsvorrichtung der Maschine Ć¼bertragen, was von den Maschinenbedienern, die wƤhrend des Betriebes der Maschine den Handgriff der FĆ¼hrungsvorrichtung halten mĆ¼ssen, als stƶrend empfunden wird. Mit zunehmender Dauer kƶnnen die Schwingungsbelastungen zu ernsthaften GesundheitsschƤden fĆ¼hren. Zum Schutz der Bediener solcher Bodenverdichtungsmaschinen existieren nationale und internationale Richtlinien mit Vorgaben fĆ¼r zulƤssige Beschleunigungswerte, an die sich die Hersteller halten mĆ¼ssen.The vibrations generated by vibration exciters are transmitted not only to the substrate to be compacted but also to the guide device of the machine, which is perceived by the machine operators who need to hold the handle of the guide device during operation of the machine as disturbing. With increasing duration, the vibration loads can lead to serious damage to health. To protect the operators of such soil compacting machines, there are national and international guidelines with specifications for permissible acceleration values, which manufacturers must comply with.

Bodenverdichtungsmaschinen, insbesondere Vibrations- bzw. RĆ¼ttelplatten, weisen ein Gestell auf, an dem unter anderem der Verbrennungsmotor und auch die FĆ¼hrungsvorrichtung befestigt sind. Herkƶmmlich werden Elastomere als DƤmpfungsmittel zwischen der FĆ¼hrungsvorrichtung und dem Gestell der Bodenverdichtungsmaschine eingebaut, um die Ɯbertragung von Vibrationen primƤr, d. h. vom Gestell der Bodenverdichtungsmaschine auf die Holme bzw. Deichsel der FĆ¼hrungsvorrichtung, zu reduzieren. Als eine weitere MaƟnahme zur Schwingungsreduktion kƶnnen herkƶmmliche FĆ¼hrungsvorrichtungen einen Handgriff aufweisen, welcher Ć¼ber zusƤtzliche DƤmpfungsmittel mit den Holmen bzw. der Deichsel der FĆ¼hrungsvorrichtung verbunden wird, um die Ɯbertragung von Vibrationen sekundƤr, d. h. von den Holmen bzw. der Deichsel auf den Handgriff, zu vermindern, wie beispielsweise in US 6,749,365 B2 oder in DE 20 2006 008 542 U1 gezeigt ist. Alternativ oder zusƤtzlich zu Elastomeren als DƤmpfungsmittel werden im Stand der Technik auch Doppelgelenke eingesetzt, die die Schwingungen in leichte Drehbewegungen umwandeln sollen, wie in DE 10 2007 003 927 A1 offenbart ist. Weiterhin ist auch eine FĆ¼hrungsvorrichtung mit DƤmpfungsgewichten bekannt, die als Tilgungsmasse wirken, wie in EP 1 127 983 A2 offenbart ist. Nachteilig bei den genannten FĆ¼hrungsvorrichtungen aus dem Stand der Technik ist, dass sie aufgrund ihrer KomplexitƤt zum einen kostenintensiv und zum anderen nicht beliebig Ć¼bertragbar auf andere Bodenverdichtungsmaschinen sind. Ferner ist es nachteilig, dass Elastomere infolge von ƤuƟeren Belastungen einem Alterungsprozess unterliegen, was mit der Zeit zu Sprƶdigkeit und Bruch fĆ¼hren kann, so dass eine sichere Schwingungsreduktion nicht auf Dauer gewƤhrleistet ist. Ein weiterer Nachteil besteht darin, dass die mit herkƶmmlichen Mitteln erreichte Schwingungsreduktion teilweise noch nicht zufriedenstellend ist. Weiter ist aus GB 2 435 847 A eine FĆ¼hrungsvorrichtung entsprechend Oberbegriff des Anspruch 1 bekannt.Soil compacting machines, in particular vibrating or vibrating plates, have a frame to which inter alia the internal combustion engine and also the guiding device are fastened. Conventionally, elastomers are incorporated as damping means between the guide device and the frame of the soil compacting machine to reduce the transmission of vibrations primarily, ie from the frame of the soil compacting machine to the spars of the guide device. As a further measure for vibration reduction, conventional guide devices may comprise a handle, which is connected via additional damping means with the spars or the drawbar of the guide device to the Transmission of vibrations secondary, ie from the spars or drawbar on the handle to reduce, such as in US 6,749,365 B2 or in DE 20 2006 008 542 U1 is shown. Alternatively or in addition to elastomers as damping means in the prior art, double joints are used to convert the vibrations into slight rotational movements, as in DE 10 2007 003 927 A1 is disclosed. Furthermore, a guide device with damping weights is known, which act as repayment mass, as in EP 1 127 983 A2 is disclosed. A disadvantage of the above-mentioned guide devices of the prior art is that they are due to their complexity on the one hand costly and on the other not arbitrarily transferable to other soil compaction machines. Furthermore, it is disadvantageous that elastomers are subject to an aging process as a result of external stresses, which over time can lead to brittleness and breakage, so that reliable vibration reduction is not ensured in the long term. A further disadvantage is that the vibration reduction achieved by conventional means is in part still unsatisfactory. Next is out GB 2 435 847 A a guide device according to the preamble of claim 1 known.

Aus der GB 690,646 ist eine Bodenverdichtungsmaschine bekannt, die zur FĆ¼hrung ausschlieƟlich zwei am Maschinenrahmen angeordnete Lenkkabel aufweist. Diese Anordnung erlaubt nur einen verhƤltnismƤƟig spezialisierten Einsatz der Bodenverdichtungsmaschine.From the GB 690,646 is a Bodenverdichtungsmaschine known, which has only two guide arranged on the machine frame steering cable for guiding. This arrangement allows only a relatively specialized use of soil compaction machine.

Der Erfindung liegt daher die Aufgabe zugrunde, eine FĆ¼hrungsvorrichtung der eingangs genannten Art anzugeben, welche die vorstehend genannten Nachteile des Standes der Technik Ć¼berwindet.The invention is therefore based on the object to provide a guide device of the type mentioned, which overcomes the above-mentioned disadvantages of the prior art.

Die Aufgabe der Erfindung wird gelƶst durch die GegenstƤnde der unabhƤngigen AnsprĆ¼che. Die abhƤngigen AnsprĆ¼che sind auf vorteilhafte AusfĆ¼hrungsformen der Erfindung gerichtet.The object of the invention is solved by the subject matters of the independent claims. The dependent claims are directed to advantageous embodiments of the invention.

Die erfindungsgemƤƟe FĆ¼hrungsvorrichtung fĆ¼r eine handgefĆ¼hrte Bodenverdichtungsmaschine, insbesondere Vibrationsplatte, ist zumindest abschnittsweise biegeweich, beispielsweise schnurartig ausgebildet und mit dem FĆ¼hrungsbĆ¼gel der Bodenverdichtungsmaschine verbunden.The guide device according to the invention for a hand-held soil compaction machine, in particular vibration plate, is at least partially bendable soft, for example, formed like a cord and connected to the guide bracket of the soil compaction machine.

Unter "Biegeweichheit" eines Gegenstands wird in diesem Zusammenhang verstanden, dass der Gegenstand keine nennenswerte Biegesteifigkeit aufweist, so dass die Form dieses Gegenstands infolge von ƤuƟeren Krafteinwirkungen, beispielsweise Gewichtskraft der FĆ¼hrungsvorrichtung oder Lenkkraft des Bedieners, verƤnderbar ist. Mit anderen Worten umfasst die erfindungsgemƤƟe FĆ¼hrungsvorrichtung zumindest Abschnitte mit hoher FlexibilitƤt auf. WĆ¼rde man eine Anzahl von Punkten linienfƶrmig mit gleichen AbstƤnden zwischen zwei Punkten auf einem Gegenstand markieren, so wĆ¼rden sich infolge von ƤuƟeren Krafteinwirkungen die AbstƤnde und die Lagen der Punkte zueinander im Falle eines biegesteifen Gegenstands nicht oder nur geringfĆ¼gig verƤndern, solange keine plastische Verformung oder Riss vorliegt, wohingegen im Falle eines biegeweichen Gegenstands die AbstƤnde und die Lagen der Punkte zueinander in alle Koordinatenrichtungen verƤnderbar sind, ohne dass eine plastische Verformung oder Riss vorliegt.By "flexural softness" of an article in this context is meant that the article has no appreciable flexural rigidity, such that the shape of that article is changeable due to external forces such as weight of the guide device or steering force of the operator. In other words, the guide device according to the invention comprises at least sections with high flexibility. If one were to mark a number of points in a line with equal distances between two points on an object, the distances and the positions of the points would not or only slightly change in the case of a rigid object due to external forces, as long as there is no plastic deformation or crack, whereas in the case of a flexible object, the distances and the positions of the points to each other in all coordinate directions can be changed, without any plastic deformation or crack.

Dabei kann die erfindungsgemƤƟe FĆ¼hrungsvorrichtung nur abschnittsweise oder aber auch vollstƤndig biegeweich ausgebildet sein. Biegeweichheit eines Abschnitts der erfindungsgemƤƟen FĆ¼hrungsvorrichtung ist auf das verwendete Material einerseits und auf die konstruktive Auslegung des Abschnitts andererseits zurĆ¼ckzufĆ¼hren.In this case, the guide device according to the invention may be formed only partially or completely flexible. Bending softness of a portion of the guide device according to the invention is due to the material used on the one hand and on the structural design of the section on the other.

Die erfindungsgemƤƟe FĆ¼hrungsvorrichtung ist gemƤƟ einer ersten vorteilhaften AusfĆ¼hrungsform nur zur Ɯbertragung von ZugkrƤften ausgebildet.The guide device according to the invention is designed according to a first advantageous embodiment only for the transmission of tensile forces.

Als "Zugkraft" wird eine Kraft verstanden, die einen Kƶrper zieht, d. h. am Kƶrper auf den Krafterzeuger hin wirkt. Als Paarung Kƶrper/Krafterzeuger kommen im Wesentlichen folgende zwei FƤlle in Frage:

Fall 1:
FĆ¼hrungsvorrichtung als Kƶrper und Gestell der Bodenverdichtungsmaschine als Krafterzeuger;
Fall 2:
Gestell als Kƶrper und FĆ¼hrungsvorrichtung als Krafterzeuger.
A "pulling force" is understood to be a force that pulls a body, ie, acts on the body towards the force generator. As a pairing of body / force generators essentially the following two cases come into question:
Case 1:
Guiding device as the body and frame of the soil compaction machine as a force generator;
Case 2:
Frame as a body and guiding device as a force generator.

Fall 1 beschreibt die Ɯbertragung der Schwingung vom Gestell auf den Bediener. Fall 2 beschreibt die umgekehrte Kraftflussrichtung, nƤmlich die Ɯbertragung der Lenkkraft vom Bediener auf das Gestell. SelbstverstƤndlich kann auch eine Ɯberlaeerung der beiden FƤlle vorliegen. Im Fall 1 bewirkt die erfindungsgemƤƟe FĆ¼hrungsvorrichtung, dass die Ɯbertragung der gesundheitsschƤdlichen Vibrationen auf den Bediener auf ein Minimum reduziert wird, da zum einen keine DruckkrƤfte Ć¼bertragen werden kƶnnen und zum anderen nur ein geringer Anteil an ZugkrƤften Ć¼bertragen wird, wenn der biegeweiche Abschnitt der FĆ¼hrungsvorrichtung nicht vollstƤndig gespannt ist, d. h. die LƤngsachse des biegeweichen Abschnitts keine Gerade bildet. Im Fall 2 ermƶglicht die erfindungsgemƤƟe FĆ¼hrungsvorrichtung eine sichere Lenkbewegung durch das Ziehen an der FĆ¼hrungsvorrichtung. Die Funktionsweise der erfindungsgemƤƟen FĆ¼hrungsvorrichtung ist mit der eines ZĆ¼gels vergleichbar. Da die meisten Vibrationsplatten wƤhrend des Betriebes selbststƤndig vorwƤrtslaufen, so dass kein DrĆ¼cken an der Platte fĆ¼r die VorwƤrtsbewegung erforderlich ist, ist sporadisches Ziehen an der erfindungsgemƤƟen FĆ¼hrungsvorrichtung zur Richtungskorrektur vollkommen ausreichend. WƤhrend des Geradeauslaufs kann die FĆ¼hrungsvorrichtung locker gehalten werden, d. h. der biegeweiche Abschnitt der FĆ¼hrungsvorrichtung ist nicht gespannt.Case 1 describes the transmission of the vibration from the frame to the operator. Case 2 describes the reverse direction of force flow, namely the transmission of the steering force from the operator to the frame. Of course, there may also be a superposition of the two cases. In case 1, the guide device according to the invention causes the transfer of the harmful vibrations to the operator is reduced to a minimum, since on the one hand no pressure forces can be transmitted and on the other hand only a small proportion of tensile forces is transmitted, if the flexurally soft portion of the guide device not is completely stretched, ie the longitudinal axis of the flexible portion forms no straight line. In case 2, the guide device according to the invention allows a safe steering movement by pulling on the guide device. The operation of the guide device according to the invention is comparable to that of a rein. Since most vibratory plates automatically run forward during operation, so that no pressing on the plate is required for the forward movement, sporadic pulling on the directional correction guiding device according to the invention is perfectly adequate. During straight-ahead operation, the guide device can be kept loose, ie the flexible section of the guide device is not tensioned.

Die Schwingungsbelastungen am Handgriff des Bedieners kƶnnen mit Hilfe der erfindungsgemƤƟen FĆ¼hrungsvorrichtung insgesamt so stark reduziert werden, dass durch das lockere Halten des Handgriffs beim Geradeauslauf der Vibrationsplatte extrem niedrige Beschleunigungswerte von weniger als 1 m/s2 gemessen werden. Selbst beim FĆ¼hren der Platte mit Gegensteuern werden Werte von weniger als 2,5 m/s2 gemessen. Sogar im extremen Fall, nƤmlich beim Ziehen der FĆ¼hrungsvorrichtung zur Bremsung oder zum ZurĆ¼ckziehen, werden im Vergleich zu biegesteifen FĆ¼hrungsvorrichtungen deutlich geringere Vibrationen Ć¼bertragen, da nur die Ɯbertragung von ZugkrƤften mƶglich ist.The vibration loads on the handle of the operator can be reduced so much with the aid of the guide device according to the invention that extremely low acceleration values of less than 1 m / s 2 are measured by the loose holding of the handle during straight-ahead running of the vibrating plate. Even when guiding the plate with countersteering, values of less than 2.5 m / s 2 are measured. Even in the extreme case, namely when pulling the guide device for braking or retracting, significantly lower vibrations are transmitted compared to rigid guide devices, since only the transmission of tensile forces is possible.

GemƤƟ einer vorteilhaften AusfĆ¼hrungsform der Erfindung ist die FĆ¼hrungsvorrichtung zumindest abschnittsweise schnurartig ausgebildet.According to an advantageous embodiment of the invention, the guide device is at least partially formed like a cord.

Schnur, wobei auch andere Bezeichnungen wie Seil, Draht, Faden, Leine etc. denkbar sind, zeichnet sich durch einen im Wesentlichen runden Querschnitt aus. Dadurch nehmen sie bei ausreichender Biegeweichheit und gleichzeitiger Zugfestigkeit extrem wenig Bauvolumen und Gewicht ein.String, although other names such as rope, wire, thread, leash, etc. are conceivable, is characterized by a substantially round cross-section. As a result, they take on extremely low construction volume and weight with sufficient flexural softness and simultaneous tensile strength.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung ist die FĆ¼hrungsvorrichtung zumindest abschnittsweise bandartig ausgebildet.According to a further advantageous embodiment of the invention, the guide device is at least partially formed band-like.

Bandartig bedeutet, dass der Querschnitt im Wesentlichen ein Rechteck darstellt, wobei das VerhƤltnis Breite zur Hƶhe derart gewƤhlt ist, dass der Querschnitt die Form einer Linie annimmt. Dadurch wird ein systematisches Aufeinanderwickeln der erfindungsgemƤƟen FĆ¼hrungsvorrichtung zu einer Rolle ermƶglicht, so dass bereits ein geringer Stauraum ausreichend ist.Band-like means that the cross section substantially represents a rectangle, wherein the ratio width to height is selected such that the cross section assumes the shape of a line. This allows a systematic winding of the guide device according to the invention into a roll, so that even a small storage space is sufficient.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung ist die FĆ¼hrungsvorrichtung zumindest abschnittsweise kettenartig ausgebildet.According to a further advantageous embodiment of the invention, the guide device is at least partially formed like a chain.

Eine Kette zeichnet sich dadurch aus, dass sie, auch wenn die einzelnen Kettenglieder selbst biegefest sind, insgesamt jedoch als biegeweich und flexibel betrachtet werden kƶnnen.A chain is characterized by the fact that, even if the individual chain links themselves are resistant to bending, they can, on the whole, be regarded as flexible and flexible.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung umfasst die FĆ¼hrungsvorrichtung einen biegesteifen Handgriff.According to a further advantageous embodiment of the invention, the guide device comprises a rigid handle.

Zur Erhƶhung der Ergonomie kann ein biegesteifer Handgriff vorgesehen werden. In diesem Fall wĆ¼rde die FĆ¼hrungsvorrichtung aus einem Handgriff und mindestens einem biegeweichen Abschnitt, welcher den Handgriff mit dem FĆ¼hrungsbĆ¼gel der Bodenverdichtungsmaschine verbindet, bestehen. Es ist auch mƶglich, zwei separate Handgriffe mit jeweils einer biegeweichen Verbindung zum FĆ¼hrungsbĆ¼gel vorzusehen. Vorzugsweise ist der Handgriff mit griffiger und zugleich die Schwingung weiter reduzierender OberflƤche ausgestattet.To increase the ergonomics, a rigid handle can be provided. In this case, the guide device would consist of a handle and at least one bendable portion which connects the handle to the guide bracket of the soil compaction machine. It is also possible to use two separate handles, each with a flexible connection to provide the guide bracket. Preferably, the handle is equipped with grip and at the same time the vibration further reducing surface.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung umfasst die FĆ¼hrungsvorrichtung Steuerungsmittel zu einer kabellosen oder kabelgebundenen Steuerung der Bodenverdichtungsmaschine.According to a further advantageous embodiment of the invention, the guide device comprises control means for a wireless or wired control of the soil compaction machine.

Steuerungsmittel kƶnnen beispielsweise in Form von Schaltern, Hebeln, Drehreglern etc. und aber auch als Anzeigemittel zur Steuerung der Bodenverdichtungsmaschine, beispielsweise Ein-/ Ausschalten der Maschine, Anpassen der Vortriebsgeschwindigkeit, Anpassen der Schwingungsparameter der Erreger, Anzeige wichtiger Betriebsparameter etc., beitragen. Dabei kƶnnen sie entweder kabellos (Fernsteuerung) oder kabelgebunden sein. Ferner kƶnnen sie integral mit der FĆ¼hrungsvorrichtung ausgefĆ¼hrt oder separat an die FĆ¼hrungsvorrichtung befestigt werden.Control means may for example in the form of switches, levers, encoders, etc. and also as a display means for controlling the soil compaction machine, for example, on / off the machine, adjusting the propulsion speed, adjusting the vibration parameters of the pathogen, display important operating parameters, etc. contribute. They can either be wireless (remote control) or wired. Further, they may be made integral with the guide device or separately attached to the guide device.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung umfasst die FĆ¼hrungsvorrichtung Kunststoffmaterial.According to a further advantageous embodiment of the invention, the guide device comprises plastic material.

Vorzugsweise wird Kunststoff als Material fĆ¼r die erfindungsgemƤƟe FĆ¼hrungsvorrichtung verwendet. Kunststoff zeichnet sich durch geringes Gewicht bei ausreichend hoher Zugfestigkeit aus. Zudem sind in einfacher Weise unterschiedliche Gestaltungsformen mƶglich. Ferner sind FĆ¼hrungsvorrichtungen aus Kunststoffmaterialien kostengĆ¼nstig in groƟen StĆ¼ckzahlen produzierbar. Ein weiterer Vorteil von Kunststoffmaterial ist die KorrosionsbestƤndigkeit.Preferably, plastic is used as material for the guide device according to the invention. Plastic is characterized by its low weight and sufficiently high tensile strength. In addition, different forms of design are possible in a simple manner. Furthermore, guide devices made of plastic materials can be produced inexpensively in large quantities. Another advantage of plastic material is corrosion resistance.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung weist die FĆ¼hrungsvorrichtung elastische Eigenschaften auf.According to a further advantageous embodiment of the invention, the guide device has elastic properties.

Durch die Verwendung eines elastischen Werkstoffs kann die Schwingung weiter reduziert werden.By using an elastic material, the vibration can be further reduced.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung weist die FĆ¼hrungsvorrichtung eine variabel einstellbare LƤnge auf.According to a further advantageous embodiment of the invention, the guide device has a variably adjustable length.

Vorzugsweise ist die LƤnge der FĆ¼hrungsvorrichtung stufenlos variabel einstellbar. Damit kann die LƤnge beispielsweise der GrĆ¶ĆŸe des Bedieners oder anderen ƤuƟeren Bedingungen entsprechend angepasst werden. Da die FĆ¼hrungsvorrichtung zumindest abschnittsweise biegeweich ist, bietet es sich an, durch einen Aufroll- und Arretiermechanismus, welcher im Verbindungspunkt zwischen dem Gestell der Bodenverdichtungsmaschine und der FĆ¼hrungsvorrichtung integriert sein kann, die gewĆ¼nschte LƤnge einzustellen.Preferably, the length of the guide device is infinitely variably adjustable. Thus, the length can be adjusted, for example, according to the size of the operator or other external conditions. Since the guide device is bendable, at least in sections, it is advisable to set the desired length by means of a roll-up and locking mechanism, which can be integrated in the connection point between the frame of the soil compaction machine and the guide device.

GemƤƟ einer weiteren vorteilhaften AusfĆ¼hrungsform der Erfindung ist die FĆ¼hrungsvorrichtung an zwei, bezĆ¼glich einer LƤngsmittelachse der Bodenverdichtungsmaschine einander gegenĆ¼berliegenden Verbindungspunkten mit der Bodenverdichtungsmaschine verbunden.According to a further advantageous embodiment of the invention, the guide device is connected to two, with respect to a longitudinal center axis of the soil compaction machine opposite connection points with the soil compaction machine.

Durch diese symmetrische Befestigung ist ein homogenes Lenken mƶglich, d. h. die aufzubringende Kraft zum Lenken nach links ist gleich der Kraft zum Lenken nach rechts. Je weiter die beiden Verbindungspunkte voneinander entfernt sind, desto einfacher wird die Lenkung fĆ¼r den Bediener, da er aufgrund des lƤngeren Hebelarms fĆ¼r das gleiche Lenkmoment weniger Kraft aufzubringen braucht.Through this symmetrical attachment a homogeneous steering is possible, d. H. the applied force to steer to the left is equal to the power to steer to the right. The farther the two connection points are away from each other, the easier the steering becomes for the operator, since he needs less force due to the longer lever arm for the same steering torque.

ErfindungsgemƤƟ ist die FĆ¼hrungsvorrichtung mit dem FĆ¼hrungsbĆ¼gel der Bodenverdichtungsmaschine verbunden.According to the invention, the guide device is connected to the guide bracket of the soil compaction machine.

Diese AusfĆ¼hrungsvariante eignet sich hervorragend auch zur NachrĆ¼stung von bestehenden Bodenverdichtungsmaschinen mit bereits vorhandenen FĆ¼hrungsbĆ¼geln oder Deichseln. Damit ist in einfacher und kostengĆ¼nstiger Weise eine schwingungsreduzierte FĆ¼hrungsvorrichtung geschaffen, ohne dass die LenkfƤhigkeit der Bodenverdichtungsmaschine eingeschrƤnkt und ohne dass eine grĆ¼ndliche Neukonzeption oder UmrĆ¼stung notwendig wƤre. Es mĆ¼ssen lediglich ein oder zwei geeignete Verbindungspunkte an jeder beliebigen, handgefĆ¼hrten Bodenverdichtungsmaschine ausgewƤhlt werden, an die die erfindungsgemƤƟe FĆ¼hrungsvorrichtung befestigt wird. In einer weiteren bevorzugten AusfĆ¼hrung kann die erfindungsgemƤƟe FĆ¼hrungsvorrichtung abnehmbar gestaltet sein, so dass sie beim Transport oder Nichtgebrauch der Maschine einfach abmontiert werden kann. ZusƤtzlich oder alternativ kann ein Arretiermittel vorgesehen sein, weiches die FĆ¼hrungsvorrichtung, falls sie nicht eingesetzt wird, in einer platzsparenden Arretierposition am FĆ¼hrungsbĆ¼gel halten kann, so dass sie kein Hindernis fĆ¼r den Bediener darstellt.This variant is also ideal for retrofitting existing soil compaction machines with existing guide bars or drawbars. Thus, a vibration-reduced guide device is provided in a simple and cost-effective manner, without the steering ability of the soil compaction machine restricted and without a thorough redesign or conversion would be necessary. Only one or two suitable connection points have to be selected on any hand-held ground compaction machine to which the guide device according to the invention is attached. In a further preferred embodiment, the guide device according to the invention can be made removable, so that it can be easily removed during transport or disuse of the machine. Additionally or alternatively, a locking means may be provided, which, if not used, can hold the guide device in a space-saving locking position on the guide bracket so that it does not present an obstacle to the operator.

GemƤƟ einer weiteren AusfĆ¼hrungsform der Erfindung ist die FĆ¼hrungsvorrichtung zweiteilig aufgebaut und an jeweils zwei Verbindungspunkten mit dem FĆ¼hrungsbĆ¼gel verbunden. Sie ist derart mit dem FĆ¼hrungsbĆ¼gel verbunden, dass sie fĆ¼r sowohl Lenk- als auch Steuerungsfunktionen ausgelegt ist.According to a further embodiment of the invention, the guide device is constructed in two parts and connected at two connection points with the guide bracket. It is connected to the guide bracket so that it is designed for both steering and control functions.

Die FĆ¼hrungsvorrichtung ist gemƤƟ dieser Variante an insgesamt vier Punkten mit dem FĆ¼hrungsbĆ¼gel verbunden, wobei die Mƶglichkeit besteht, jedem dieser Punkte eine bestimmte Funktion zuzuweisen, beispielsweise Lenken in eine bestimmte Richtung, Beschleunigen, Bremsen etc.The guide device is connected according to this variant at a total of four points with the guide bracket, with the possibility exists to assign each of these points a specific function, such as steering in a particular direction, acceleration, braking, etc.

Die Erfindung betrifft ferner eine Vibrationsplatte zur Bodenverdichtung mit einer FĆ¼hrungsvorrichtung nach einem der AnsprĆ¼che 1 bis 12.The invention further relates to a vibration plate for soil compaction with a guide device according to one of claims 1 to 12.

SchlieƟlich betrifft die Erfindung auch ein Verfahren zur FĆ¼hrung einer Bodenverdichtungsmaschine mit einer FĆ¼hrungsvorrichtung nach einem der AnsprĆ¼che 1 bis 12. Dabei wird die FĆ¼hrungsvorrichtung in einem Haltemodus spannungsfrei von einem Bediener gehalten und in einem Lenkmodus durch Ziehen angespannt.Finally, the invention also relates to a method for guiding a soil compaction machine with a guide device according to one of claims 1 to 12. The guide device is held in a holding mode stress-free by an operator and tense in a steering mode by pulling.

Im Haltemodus wird die FĆ¼hrungsvorrichtung bzw. der biegeweiche Abschnitt der FĆ¼hrungsvorrichtung nicht gespannt, so dass die LƤngsachse des biegeweichen Abschnitts keine Gerade darstellt, sondern eine Kurve. Damit wird die Ɯbertragung der Vibrationen von den Erregern zum Bediener weitestgehend unterbunden. Der Bediener ist dennoch in der Lage, schnell reagieren zu kƶnnen, falls eine RichtungsƤnderung oder Bremsung erforderlich werden sollte. Im Lenkmodus ist die FĆ¼hrungsvorrichtung bzw. der biegeweiche Abschnitt der FĆ¼hrungsvorrichtung durch Ziehen angespannt, d. h. die LƤngsachse des biegeweichen Abschnitts bildet eine Gerade, so dass die Lenkkraft als Zugkraft auf die Vibrationsplatte Ć¼bertragen werden kann. Sobald die Lenkbewegung erfolgt ist, kann der Bediener die FĆ¼hrungsvorrichtung bzw. den biegeweichen Abschnitt der FĆ¼hrungsvorrichtung wieder entspannen und weiter im schwingungsarmen Haltemodus verfahren.In the holding mode, the guide device or the flexurally soft portion of the guide device is not tensioned, so that the longitudinal axis of the flexible portion is not a straight line, but a curve. Thus, the transmission of vibrations from the agents to the operator is largely prevented. Nevertheless, the operator is able to react quickly if a change of direction or braking is required. In the steering mode, the guide device or the flexurally soft portion of the guide device is tensioned by pulling, d. H. the longitudinal axis of the flexurally soft portion forms a straight line, so that the steering force can be transmitted as a tensile force on the vibrating plate. Once the steering movement has taken place, the operator can relax the guide device or the flexurally soft section of the guide device again and continue to move in the low-vibration holding mode.

Nachfolgend wird die Erfindung anhand von Figuren eines AusfĆ¼hrungsbeispiels nƤher erlƤutert. Es zeigen schematisch:

Figur 1
eine perspektivische Ansicht auf eine Vibrationsplatte mit einem AusfĆ¼hrungsbeispiel der erfindungsgemƤƟen FĆ¼hrungsvorrichtung im Haltemodus;
Figur 2
eine Seitenansicht der FĆ¼hrungsvorrichtung im Haltemodus;
Figur 3
eine Seitenansicht der FĆ¼hrungsvorrichtung im Lenkmodus;
Figur 4
eine Seitenansicht der FĆ¼hrungsvorrichtung im Ruhemodus;
Figur 5
eine Seitenansicht der FĆ¼hrungsvorrichtung im Arretiermodus.
Figur 6
eine perspektivische Ansicht auf ein weiteres AusfĆ¼hrungsbeispiel der erfindungsgemƤƟen FĆ¼hrungsvorrichtung;
The invention will be explained in more detail with reference to figures of an embodiment. They show schematically:
FIG. 1
a perspective view of a vibrating plate with an embodiment of the guide device according to the invention in the holding mode;
FIG. 2
a side view of the guide device in the holding mode;
FIG. 3
a side view of the guide device in the steering mode;
FIG. 4
a side view of the guide device in the sleep mode;
FIG. 5
a side view of the guide device in the locking mode.
FIG. 6
a perspective view of a further embodiment of the guide device according to the invention;

Figur 1 zeigt eine Vibrationsplatte 1 mit einem Gestell 3. Mit dem Gestell 3 ist an der Verbindungsstelle 4 der FĆ¼hrungsbĆ¼gel 2 der Vibrationsplatte 1 verbunden. Zwischen dem Gestell 3 und dem FĆ¼hrungsbĆ¼gel 2 sind DƤmpfungselemente (nicht dargestellt) aus Elastomer zur Schwingungsreduktion angeordnet. Der FĆ¼hrungsbĆ¼gel 2 eignet sich grundsƤtzlich auch als FĆ¼hrungsvorrichtung fĆ¼r die Vibrationsplatte 2, allerdings kƶnnen die von den Schwingungserregern stammenden Vibrationen nicht in gewĆ¼nschtem MaƟe am Handgriff des FĆ¼hrungsbĆ¼gels 2, d. h. die Querverbindung zwischen den Holmen des FĆ¼hrungsbĆ¼gels 2, reduziert werden. Daher wird an den Verbindungspunkten 5 die erfindungsgemƤƟe FĆ¼hrungsvorrichtung 10 befestigt. FIG. 1 shows a vibrating plate 1 with a frame 3. With the frame 3 is at the junction 4 of the guide bracket 2 of the vibrating plate 1 is connected. Between the frame 3 and the guide bracket 2 damping elements (not shown) made of elastomer for vibration reduction are arranged. The guide bracket 2 is basically also suitable as a guide device for the vibration plate 2, but the vibrations originating from the vibration exciters can not be reduced to the desired extent on the handle of the guide bracket 2, ie the cross connection between the beams of the guide bracket 2. Therefore, the guide device 10 according to the invention is attached to the connection points 5.

Die erfindungsgemƤƟe FĆ¼hrungsvorrichtung 10 gemƤƟ dem in Figur 1 gezeigten Beispiel umfasst einen Handgriff 10b aus Kunststoffmaterial und zwei biegeweiche Abschnitte 10a aus Kunststoffschnur, die den Handgriff 10b mit dem FĆ¼hrungsbĆ¼gel 2 verbinden. Die FĆ¼hrungsvorrichtung 10 ist hier als eine ZusatzausrĆ¼stung zum FĆ¼hrungsbĆ¼gel 2 ausgefĆ¼hrt. Es besteht die Mƶglichkeit, die FĆ¼hrungsvorrichtung 10 nicht am FĆ¼hrungsbĆ¼gel 2, sondern beispielsweise direkt am Gestell 3 anzuordnen.The guide device 10 according to the invention according to the in FIG. 1 Example shown comprises a handle 10b made of plastic material and two flexible sections 10a made of plastic cord that connect the handle 10b with the guide bracket 2. The guide device 10 is embodied here as an accessory to the guide bracket 2. It is possible to arrange the guide device 10 not on the guide bracket 2, but for example directly on the frame 3.

Figur 1 zeigt die erfindungsgemƤƟe FĆ¼hrungsvorrichtung 10 im Haltemodus, d. h. der Bediener (nicht dargestellt), der sich hinter dem FĆ¼hrungsbĆ¼gel 2 der sich vorwƤrtsbewegenden Vibrationsplatte 1 befindet, umgreift mit seinen HƤnden (nicht dargestellt) den Handgriff 10b der FĆ¼hrungsvorrichtung 10. In diesem Haltemodus sind die biegeweichen Abschnitte 10a der FĆ¼hrungsvorrichtung 10 nicht gespannt, so dass sie die Form eines Bogens annehmen, wie in Figur 2 gut ersichtlich ist. Somit spĆ¼rt der Bediener kaum Vibrationen an seinen HƤnden, da die biegeweichen Abschnitte 10a die SchwingungsĆ¼bertragung vom FĆ¼hrungsbĆ¼gel 2 auf den Handgriff 10b weitestgehend unterbinden. FIG. 1 shows the guide device 10 according to the invention in the holding mode, ie the operator (not shown), which is located behind the guide bracket 2 of the advancing vibration plate 1, embraces with his hands (not shown) the handle 10b of the guide device 10. In this holding mode are the flexurally soft Sections 10a of the guide device 10 are not tensioned so that they take the form of a bow, as in FIG. 2 is clearly visible. Thus, the operator hardly feels vibrations on his hands, since the flexurally soft portions 10a largely prevent the vibration transmission from the guide bracket 2 to the handle 10b.

Figur 3 zeigt die erfindungsgemƤƟe FĆ¼hrungsvorrichtung 10 im Lenkmodus. Zur Lenkung zieht der Bediener (nicht dargestellt) den Handgriff 10b zu sich hin. Dies fĆ¼hrt dazu, dass die biegeweichen Abschnitte 10a gespannt werden, d. h. deren LƤngsachsen jeweils eine Gerade bilden, so dass eine ZugkraftĆ¼bertragung vom Bediener auf die Vibrationsplatte 1 zwecks RichtungsƤnderung ermƶglicht wird. Mit der gestrichelten Linie in Figur 3 ist eine alternative Stellung der FĆ¼hrungsvorrichtung 10 im Lenkmodus veranschaulicht. FIG. 3 shows the guide device 10 according to the invention in the steering mode. For steering, the operator (not shown) pulls the handle 10b towards him. This results in that the flexurally soft sections 10a are tensioned, ie their longitudinal axes each form a straight line, so that a tensile force transmission is made possible by the operator on the vibrating plate 1 for the purpose of changing direction. With the dashed line in FIG. 3 an alternative position of the guide device 10 is illustrated in the steering mode.

Figur 4 zeigt die erfindungsgemƤƟe FĆ¼hrungsvorrichtung 10 im Ruhemodus. Die Biegeweichheit des Abschnitts 10a fĆ¼hrt im Stillstand der Vibrationsplatte 1, wenn der Bediener den Handgriff 10b loslƤsst, infolge des Eigengewichtes der FĆ¼hrungsvorrichtung 10 zu einer Ausrichtung des biegeweichen Abschnitts 10a parallel zur Richtung des Erdbeschleunigungsvektors g . FIG. 4 shows the guide device 10 according to the invention in the sleep mode. The flexural softness of the portion 10a leads at a standstill of the vibrating plate 1 when the operator Release handle 10b, due to the weight of the guide device 10 to an alignment of the flexurally soft portion 10a parallel to the direction of the gravitational acceleration vector G ,

Figur 5 zeigt die erfindungsgemƤƟe FĆ¼hrungsvorrichtung 10 im Arretiermodus. Hierzu kann, wie im linken Bild gezeigt, ein Arretiermittel 11 vorgesehen sein, welches den Handgriff 10b in dieser gezeigten Arretierstellung hƤlt. Weiterhin ist es vorteilhaft, einen Aufroll- und Arretiermechanismus 12 vorzusehen. Damit kann zum einen die LƤnge des biegeweichen Abschnitts 10a variabel eingestellt und festgesetzt werden und zum anderen bei Nichtgebrauch der FĆ¼hrungsvorrichtung 10 eine platzsparende Aufbewahrung der FĆ¼hrungsvorrichtung 10 erreicht werden. FIG. 5 shows the guide device 10 according to the invention in the locking mode. For this purpose, as shown in the left image, a locking means 11 may be provided, which holds the handle 10b in this locking position shown. Furthermore, it is advantageous to provide a retracting and locking mechanism 12. Thus, on the one hand the length of the flexurally soft portion 10a can be variably adjusted and fixed and, on the other hand, when the guide device 10 is not in use, a space-saving storage of the guide device 10 can be achieved.

Figur 6 zeigt ein weiteres AusfĆ¼hrungsbeispiel der erfindungsgemƤƟen FĆ¼hrungsvorrichtung 10. Hierbei ist sie zweiteilig gebaut, d. h. sie umfasst zwei voneinander getrennte Teile. Handgriff 10b' ist fĆ¼r die linke Hand und Handgriff 10b" ist fĆ¼r die rechte Hand des Bedieners gedacht. Beim Geradeauslauf der Bodenverdichtungsvorrichtung 1 kann der Bediener die beiden Handgriffe 10b' und 10b" locker halten, so dass die biegeweichen Abschnitte 10a ungespannt sind, dass kaum Vibrationen auf den Bediener Ć¼bertragen werden. Im vorliegenden Beispiel sind die unteren Verbindungspunkte 5', 5" zum Lenken bestimmt. Das Ziehen am unteren Teil des linken Handgriffs 10b' in Richtung des Pfeils L' bewirkt eine Lenkbewegung nach links. Zieht man den unteren Teil des rechten Handgriffs 10b" in Richtung des Pfeils L" wird eine Lenkbewegung nach rechts ausgefĆ¼hrt. Die beiden oberen Verbindungspunkte 13', 13" sind mit Steuerungsmitteln 14', 14", beispielsweise Steuerhebeln, versehen. Dabei werden beim Ziehen der Handgriffe 10b', 10b" in Richtung der Pfeile F', F" bestimmte Steuerungsaufgaben erfĆ¼llt, die im Vorfeld bestimmt werden kƶnnen. Es ist also mƶglich, die Verbindungspunkte 5', 5", 13', 13" mit bestimmten Funktionen zu verknĆ¼pfen. Dadurch ist es mƶglich, dass der Bediener durch das Ziehen an einem oder wahlweise mehreren der Punkte 5', 5", 13', 13" eine bequeme und vibrationsarme Lenkung und Steuerung der Bodenverdichtungsmaschine 1 ausfĆ¼hren kann. Steuerungsfunktionen in diesem Sinne kƶnnen beispielsweise sein: BetƤtigen eines Nothebels, Anpassen der Fahrgeschwindigkeit, Bremsen/ Beschleunigen und Ƅndern der Betriebsparameter (Amplitude, Frequenz) des Schwingungserregers. FIG. 6 shows a further embodiment of the guide device 10 according to the invention. Here, it is constructed in two parts, ie it comprises two separate parts. Handle 10b 'is for the left hand and handle 10b' is for the right hand of the operator In straight running of the soil compacting device 1, the operator can hold the two handles 10b 'and 10b' loosely so that the flexible portions 10a are unstressed hardly vibrations are transmitted to the operator. In the present example, the lower connection points 5 ', 5 "are intended for steering, and the pulling on the lower part of the left handle 10b' in the direction of the arrow L 'causes a steering movement to the left, pulling the lower part of the right handle 10b" in the direction The two upper connecting points 13 ', 13 "are provided with control means 14', 14", for example control levers, whereby, when the handles 10b ', 10b "are pulled in the direction of the arrows F It is thus possible to link the connection points 5 ', 5 ", 13', 13" with certain functions, thereby making it possible for the operator to pull apart at one or alternatively more of the points 5 ', 5 ", 13', 13" can perform a comfortable and low-vibration steering and control of the soil compaction machine 1. Control functions in this sense can beispielswei se: operating an emergency lever, adjusting the driving speed, braking / accelerating and changing the operating parameters (amplitude, frequency) of the vibration exciter.

Claims (10)

  1. A vibration-reduced guide apparatus (10) for a hand-operated soil compaction machine (1), especially a vibration plate (1), comprising a guide handle (2),
    characterized in that
    it is arranged in a flexible manner at least in sections and is only arranged for transmitting tensile forces and is connected with the guide handle (2) of the soil compaction machine.
  2. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it comprises a rigid handle (10b).
  3. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it comprises control means for cableless or cable-bound control of the soil compaction machine (1).
  4. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it comprises plastic material.
  5. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it has elastic properties.
  6. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it has a variably adjustable length.
  7. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it is connected at two connecting points (5) with the soil compaction machine (1), said connecting points being disposed opposite of one another with respect to a longitudinal central axis of the soil compaction machine (1).
  8. A vibration-reduced guide apparatus (10) according to one of the preceding claims,
    characterized in that
    it is arranged in two parts, and it is connected at two respective connecting points (5', 13' and 5", 13") with the guide handle (2) in such a way that it is configured both for steering and controlling functions.
  9. A vibration plate (1) for soil compaction, comprising a guide apparatus (10) according to one of the preceding claims.
  10. A method for guiding a soil compaction machine (1) comprising a guide apparatus (10) according to one of the preceding claims,
    characterized in that
    the guide apparatus (10) is held in a tension-free manner by a user in a holding mode and is tensioned in a steering mode by pulling.
EP10016109.0A 2010-02-17 2010-12-27 Guide device with reduced vibration Active EP2357283B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010008309A DE102010008309A1 (en) 2010-02-17 2010-02-17 Low-vibration guide device

Publications (2)

Publication Number Publication Date
EP2357283A1 EP2357283A1 (en) 2011-08-17
EP2357283B1 true EP2357283B1 (en) 2013-06-12

Family

ID=43970996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10016109.0A Active EP2357283B1 (en) 2010-02-17 2010-12-27 Guide device with reduced vibration

Country Status (5)

Country Link
EP (1) EP2357283B1 (en)
JP (1) JP5472881B2 (en)
KR (1) KR20110095171A (en)
CN (1) CN102162238A (en)
DE (1) DE102010008309A1 (en)

Cited By (1)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
US12065790B2 (en) 2020-07-07 2024-08-20 Milwaukee Electric Tool Corporation Plate compactor

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DE102012024224A1 (en) 2012-12-11 2014-06-26 Bomag Gmbh Hand-guided soil compacting machine, in particular vibration tamper and vibrating plate
CN104790374B (en) * 2015-04-03 2016-11-16 金陵ē§‘ęŠ€å­¦é™¢ A kind of double end rammer compacter
CN105040673A (en) * 2015-07-07 2015-11-11 č‹å·žå»ŗ鑫å»ŗč®¾é›†å›¢ęœ‰é™å…¬åø Rammer compactor for building
DE102016103024A1 (en) * 2016-02-22 2017-08-24 Ammann Schweiz Ag Device for compacting a substrate
KR101978296B1 (en) 2016-12-01 2019-05-14 ģ£¼ģ‹ķšŒģ‚¬ ėŠ˜ģ†œģ•„ģ“ Potable Silent Compactor
CN107012851B (en) * 2017-06-07 2019-11-26 ē»æåœ°é›†å›¢ę£®čŒ‚å›­ęž—ęœ‰é™å…¬åø Ramming machine
CZ2022542A3 (en) * 2022-12-20 2024-07-03 Ammann Schweiz AG A method of control of a remotely controlled construction machine and a construction machine controlled in such way

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GB690646A (en) * 1951-02-02 1953-04-22 Jackson Vibrators Improvements in or relating to method and machine for compacting materials
US3199424A (en) * 1962-09-21 1965-08-10 Carl R Glass Soil tamping device
JPS531209Y2 (en) * 1974-10-09 1978-01-14
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US6749365B2 (en) 2002-03-18 2004-06-15 M-B-W Inc. Vibration isolation for a percussion rammer
JP2006169759A (en) * 2004-12-14 2006-06-29 Mikasa Sangyo Co Ltd Operating handle for work machine
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DE202006008542U1 (en) 2006-05-26 2006-09-07 Weber Maschinentechnik Gmbh Gripping device for controlling and steering hand-operated vibratory compactors has a gripping part, an adjusting device to control direction of movement/speed and absorbing elements
DE202009000264U1 (en) * 2008-02-01 2009-03-26 Ammann Verdichtung Gmbh damping element

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Publication number Priority date Publication date Assignee Title
US12065790B2 (en) 2020-07-07 2024-08-20 Milwaukee Electric Tool Corporation Plate compactor

Also Published As

Publication number Publication date
CN102162238A (en) 2011-08-24
JP5472881B2 (en) 2014-04-16
EP2357283A1 (en) 2011-08-17
KR20110095171A (en) 2011-08-24
JP2011169098A (en) 2011-09-01
DE102010008309A1 (en) 2011-08-18

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