EP3456879A1 - Dispositif de compactage du sol - Google Patents

Dispositif de compactage du sol Download PDF

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Publication number
EP3456879A1
EP3456879A1 EP18190928.4A EP18190928A EP3456879A1 EP 3456879 A1 EP3456879 A1 EP 3456879A1 EP 18190928 A EP18190928 A EP 18190928A EP 3456879 A1 EP3456879 A1 EP 3456879A1
Authority
EP
European Patent Office
Prior art keywords
plate
vibration
motor
electric motor
mass
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.)
Granted
Application number
EP18190928.4A
Other languages
German (de)
English (en)
Other versions
EP3456879B1 (fr
Inventor
Michael Steffen
Walter Unverdorben
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.)
Wacker Neuson Produktion GmbH and Co KG
Original Assignee
Wacker Neuson Produktion GmbH and Co KG
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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Publication of EP3456879A1 publication Critical patent/EP3456879A1/fr
Application granted granted Critical
Publication of EP3456879B1 publication Critical patent/EP3456879B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • 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 plate for soil compaction, with an upper mass and an elastically coupled to the upper mass lower mass with a vibration exciter device.
  • Such vibrating plates are already well known and are used for compacting loose ground in construction. For example, when backfilling excavation pits or dumping sand and gravel, the material must be compacted to produce the necessary load-bearing capacity. Only then can a final tar layer or plaster be applied.
  • Vibration plates have proven themselves, as they are available in different sizes and weight classes, so that a suitable machine is available for the respective application. Alternatively, rolls can be used, but due to their size and the associated increased transport costs are only used for larger areas.
  • Vibration plates are usually driven by internal combustion engines.
  • the internal combustion engine is arranged on the upper mass.
  • the driving force of the motor is transmitted from the upper mass by means of a belt drive or via a hydraulic connection to a vibration exciter, which is arranged on the lower mass.
  • the transmission of the driving force by means of belts or hydraulic lines often leads to problems due to the elastic coupling between upper and lower mass and requires at least regular maintenance and control.
  • the internal combustion engine is maintenance-prone and produces harmful exhaust gases to which the operator is exposed in poorly ventilated worksite areas, such as in construction sites. exposed to a ditch.
  • the invention is based on the object to provide a vibrating plate, which reduces the disadvantages of the known vibrating plates and has a simple and low-maintenance design.
  • a vibration plate for soil compaction includes an upper mass on which at least one energy storage element is arranged.
  • the upper mass is elastically coupled to a lower mass which has at least one ground contact plate and a vibration exciter device acting on the lower mass.
  • the vibration exciter device has at least one electric motor which rotatably drives at least one rotatably mounted imbalance mass and which can be driven by means of the electrical energy of the at least one energy storage element.
  • Such a vibrating plate does not generate harmful exhaust gases due to the use of electric power as a driving force.
  • the motor providing the drive force for the imbalance mass is disposed on the lower mass so that no mechanical or hydraulic energy has to be transferred from the upper mass to the lower mass.
  • a shaft of the electric motor may extend across a longitudinal axis of the vibrating plate.
  • This arrangement is advantageous for driving the imbalance masses. So can be dispensed with a deflection of the rotation.
  • the longitudinal axis of the vibrating plate is defined by the direction of advance of the vibrating plate. The vibrating plate thereby advances in operation in a forward direction with the front end of the vibrating plate while the operator guides the vibrating plate on a handle bar at the rear end of the vibrating plate.
  • the longitudinal axis extends centrally from the front end of the vibrating plate to the rear end of the vibrating plate.
  • the vibration exciter device can have an electric motor with two imbalance masses, wherein the electric motor is arranged axially between the two imbalance masses.
  • the imbalance masses are rotatably connected to the shaft of the electric motor. With the central arrangement of the engine between the imbalance masses a uniform weight distribution is achieved on the lower mass. In addition, the storage of the two imbalance masses and the motor shaft is facilitated
  • the at least one electric motor is designed as a brushless electric motor, in particular as an electric motor of the types BLDC motor, SR motor or asynchronous motor.
  • So-called BLDC motors are also under the designations Brushless DC motor or brushless DC motor known.
  • SR motors are also known as reluctance motors. Characteristic of all these motors are the brushless design and thus the essentially maintenance-free and wear-free operation. The motors work reliably for a long time and can also be used in harsh everyday construction sites.
  • the vibration exciter device has at least two electric motors, each with associated imbalance masses, wherein the electric motors together with associated imbalance masses are arranged spatially separated from each other on the lower mass.
  • the use of two electric motors together with respective unbalanced masses improves the movement behavior of the vibrating plate.
  • the vibrating plate is easier to operate for the operator than when using only one electric motor with associated imbalance mass.
  • the at least two electric motors may be staggered along the longitudinal axis of the vibrating plate. This type of arrangement distributes the driving force of the imbalance masses more uniformly on the vibrating plate and leads to a better compaction result.
  • the vibration plate has an electronic control which controls and / or regulates the direction of rotation and rotational speed of the at least one electric motor.
  • the monitoring of the energy storage can be integrated, such as a so-called battery management system.
  • the electronic control can be designed to control the direction of rotation and / or rotational speed of at least two electric motors and / or to regulate and set independently.
  • two electric motors can result from an independent control of the two motors advantageous motion characteristics of the vibrating plate. For example, so that a reverse drive of the vibrating plate can be adjusted when the electric motors are adjusted so that the resulting force vectors of the respective imbalance masses cause a reverse drive.
  • a shake can be set, or a variation of the propulsion speed.
  • the energy storage element is arranged vibration decoupled at the upper mass.
  • the lower mass is connected sprung with the upper mass. Nevertheless, the upper mass and thus the energy storage element is exposed to vibrations. The life of the energy storage element can be extended if the vibrations are prevented as much as possible.
  • a vibration decoupling can be achieved for example by the arrangement of rubber buffers between the energy storage unit and the upper mass.
  • Fig. 1 shows a highly schematic side view of a variant of the vibrating plate (1) according to the invention with an upper mass (2) and a lower mass (5).
  • the upper mass (2) comprises a support frame (11) which is connected to a support plate (12). Furthermore, in the embodiment shown, the upper mass comprises at least one energy storage element (3) and an electronic control (10), which are arranged on the support frame (11). Furthermore, the upper mass (2) comprises an irrigation device (14) and a guide bar or drawbar (13) by means of which an operator can control the vibrating plate.
  • At least one operating element is arranged on the drawbar (13), by means of which an operator can control and / or regulate the function of the vibrating plate, ie in particular can switch the vibrating plate on and off.
  • the drawbar (13) is vibration-decoupled to the upper mass (2), so that harmful vibrations are only reduced to the drawbar and thus transmitted to an operator.
  • the irrigation device (14) comprises a container for receiving water, which can be discharged from a controlled closable and openable outlet to the soil to be compacted during operation of the vibrating plate. This is particularly advantageous in the compression of tar to avoid sticking of the vibrating plate on the tar.
  • the upper mass is connected by means of damping elements (15) with the lower mass (5).
  • the lower mass (5) comprises a ground contact plate (4), on which the vibrating plate (1) moves over the soil to be compacted and acts on it.
  • the lower mass (5) comprises a vibration exciter device (6) which generates mechanical vibrations and transmits them to the ground contact plate (4) to which it is connected.
  • the energy storage element (3) is vibration-damped arranged on the upper mass (2).
  • the energy storage element (3) on a holder (16) is arranged, which is vibration-damped connected to the upper mass (2).
  • This can be achieved by attachment by means of rubber buffers or by means of a rotary joint.
  • the energy storage element (3) by means of vibration dampers such as rubber buffers with the upper mass in contact.
  • the electronic control (10) may be arranged vibration-damped on the upper mass (2), for example, by this also on the holder (16) is arranged.
  • the electronic controller (10) serves to control and / or regulate the vibration exciter device (6).
  • the electronic control system (10) is designed to influence and adjust the electric motor (7) of the vibration exciter device (6), ie in particular to set and vary its speed and direction of rotation. If an embodiment according to the invention provides a vibration exciter device (6) with a plurality of electric motors, the electronic controller (10) is designed to set and influence the respective electric motors (7) independently of each other. In a variant, it is also possible to control one or more electric motors (7) as a function of the state of one or more other electric motors (7).
  • the speed and / or direction of rotation of a first electric motor (7) serve as a reference for a further electric motor (7), on the basis of which the further electric motor (7) is set.
  • An electric motor (7) together forms the associated or the associated imbalance masses (8) a so-called exciter or imbalance exciter.
  • FIG. 2 shows an exemplary vibration exciter device (6).
  • the vibration exciter device (6) comprises an electric motor (7) by means of which at least one Unbalance mass (8) can be set in rotation.
  • the imbalance mass (8) is preferably connected to the motor shaft (9) of the electric motor (7).
  • the electric motor (7) is preferably arranged between two imbalance masses (8) so that it is positioned centrally and axially between the imbalance masses (8).
  • the motor shaft (9) of the electric motor (7) can be led out of the motor housing on both sides of the electric motor. At the two ends of the motor shaft, the imbalance masses (8) can be attached.
  • the motor shaft (9) can also be configured such that the imbalance masses (8) are an integral part of the motor shaft (9).
  • the motor shaft (9) of the electric motor (7) is led out only from one side of the motor housing and only an imbalance mass (8) is attached thereto.
  • the motor shafts (9) of the electric motors (7) are led out of the motor housings on the opposite sides facing away from the motors, wherein an unbalanced mass is applied to each motor shaft ( 8) is arranged.
  • the electric motors can be controlled in this way independently and apply different centrifugal forces on the lower mass by means of different rotational direction and / or speed, which allows different driving maneuvers.
  • the vibration exciter device (6) is drivingly mechanically self-sufficient from the upper mass (2), ie the vibration exciter device is supplied only electrical energy.
  • the electric motor (7) generates from the electrical energy the mechanical force to drive the unbalanced mass (s) (8). That is, the vibrator device is supplied with only electric power, and it is not connected to the upper mass by means of a belt drive or a hydraulic system. For supplying the electrical energy, the electric motor (7) is connected to the upper mass with an electrical cable, which is not shown in the figures.
  • FIG. 3 shows a highly schematic plan view of a ground contact plate (4) with a vibration exciter device (6).
  • the vibration exciter device (6) is arranged on the ground contact plate (4) and firmly connected thereto.
  • the vibration exciter device (6) is arranged centrally in the longitudinal direction, ie in the center of the ground contact plate (4), the motor shaft running transversely to the longitudinal direction of the vibration plate.
  • the longitudinal direction is determined by the direction of movement of the vibration plate during operation.
  • the vibration exciter (6) is disposed in a front half of the ground contact plate (4). This positioning gives the vibrating plate (1) the best moving property.
  • the vibration exciter device (6) is arranged in a front third of the ground contact plate (4).
  • the vibration plate (1) can be when using a Vibratory exciter device (6) only move in one direction.
  • the rotation of the imbalance masses (8) causes an acceleration of the vibrating plate (1) forward and upward.
  • the ground contact plate (4) therefore briefly loses ground contact in the area of the vibration exciter device (6) and accelerates the vibration plate (1) to the front.
  • the vibration plate (1) is therefore dragged so to speak by means of the vibration exciter device (6) over the ground, which is why one speaks in vibration plates of this type of towing swingers.
  • drag oscillators allow only a forward drive of the vibrating plate (1).
  • the forward direction or front end of the vibrating plate is meant the direction which is opposite to the end of the vibrating plate (1) with the guide bracket (13). In other words, the vibrating plate (1) moves forwardly away from the operator.
  • FIG. 4 shows a variant of the vibrating plate (1) with two electric motors (7) and unbalance exciters.
  • a first electric motor (7) is arranged in a first half of the ground contact plate (4) and a second electric motor (7) in a second half of the ground contact plate (4).
  • the use of two electric motors (7) leads to improved compaction performance and a more uniform motion behavior of the vibrating plate (1).
  • the motor shafts (9) of the two electric motors (7) are aligned parallel to one another and extend transversely to the longitudinal axis of the vibration plate.
  • a vibration plate (1) of this type can not only forward only but also drive backwards and shake in the state. The basic technical principles for this purpose are known from the prior art, which is why will not be discussed in detail.
  • the respective setting and orientation of the respective imbalance masses and thus the resulting centrifugal forces of the two electric motors (7) can be set either a forward drive, a reverse drive or a static shake.
  • the movement speed between a maximum forward speed and a maximum reverse speed can be adjusted continuously. This is achieved by means of the electronic control, which can control and set the electric motors (7) independently of each other.
  • FIG. 5 Another variant is in FIG. 5 shown, wherein in addition to the two electric motors (7) as in FIG. 4 shown at least one further electric motor (7) on the ground contact plate (4) is arranged.
  • two electric motors (7) are arranged with motor shafts (9) transversely to the longitudinal axis of the vibration plate (1) and at least one further electric motor (7) with the motor shaft longitudinal, ie arranged parallel to the longitudinal axis.
  • two electric motors (7) are aligned with the motor shafts parallel to the longitudinal axis.
  • the vibration plate (1) can be controlled in this case, not only forward and backward, but also, for example, to the left and right.
  • the directions of rotation and speeds of the aligned longitudinally to the longitudinal axis of the electric motors (7) are adjusted to the respective driving desire of the operator, so that corresponding centrifugal forces are generated, which move the vibrating plate (1) in the desired direction.
  • the electronic control is configured accordingly to individually and independently control the respective number of electric motors (7).
  • FIG. 6 Another way to control the direction of a vibrating plate (1) results from the design of the variant as in FIG. 6 is shown.
  • three electric motors (7) arranged on the ground contact plate (4).
  • two electric motors (7) are aligned axially to each other. If a higher centrifugal force, ie speed is set in one of the axially oriented electric motors (7) than in the other axially oriented electric motors (7), the vibrating plate moves in its direction. If both axially aligned electric motors (7) run in the same direction and at the same speed results in a forward drive.
  • FIG. 7 Another way to control the direction of a vibrating plate (1) results from the design of the variant as in FIG. 7 is shown.
  • three electric motors (7) arranged on the ground contact plate (4).
  • two electric motors (7) are arranged at an angle to each other. That is, the motor axes (17) of the electric motors (7) formed by the motor shafts (9) intersect. Due to the divergent setting of the speeds or the direction of rotation can be set a cornering, ie rotation about the vertical axis of the vibrating plate.
  • FIG. 8 a directional control with the construction after FIG. 8 possible.
  • four electric motors (7) on the ground contact plate (4) are arranged in the illustrated embodiment.
  • two electric motors (7) are aligned axially to each other.
  • Staggered before or behind two more electric motors (7) are aligned axially to each other.
  • the rotational movement can be amplified by turning the two electric motors (7) to the other side of the longitudinal axis in the opposite direction.
  • FIG. 8 is also an arrangement of electric motors (7) as in FIG. 9 shown possible.
  • the electric motors (7) are arranged at an angle to one another such that the motor axis (17) of an electric motor (7) intersects with the motor axes (17) of two other electric motors (7).
  • the electric motors are therefore all arranged at an angle to the longitudinal axis of the vibrating plate (1), ie arranged such that the motor axes (17) of all electric motors intersect with the longitudinal axis of the vibrating plate (1).
  • the intersection of the motor axes (17) of two electric motors (7) on the longitudinal axis of the vibrating plate (1) Preferably, the intersection of the motor axes (17) of two electric motors (7) on the longitudinal axis of the vibrating plate (1).
  • the arrangement can be selected so that at least two of the electric motors (7) are arranged in mirror image to the longitudinal axis. Preferably, four electric motors (7) are arranged mirror-inverted to the longitudinal axis. Such an arrangement offers advantages in terms of the straight running of the vibrating plate and also improves the steerability, ie the rotation about the vertical axis.
  • FIG. 10 Another variant for constructing a vibrating plate according to the invention is shown in FIG FIG. 10 shown.
  • the energy storage element (3) is formed from a plurality of individual accumulators, which are arranged on the upper mass (2) and interconnected.
  • an electronic control (10) is provided for controlling the motor (s) for controlling the motor (s)
  • the electronic control (10) on the upper mass (2) is arranged.
  • the vibration exciter device (6) is constructed with only one electric motor (7) which drives two imbalance masses (8).
  • the battery cells can be individually interchangeable.
  • the vibration plate (1) It is also possible on the vibration plate (1) to provide an electronic charging module for the charge of the energy storage element (3). This allows the charge of the energy store directly on the vibrating plate (1). It is therefore not necessary to remove the energy storage and transport to the loading module.
  • the charging module can be structurally integrated with the electronic control.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
EP18190928.4A 2017-09-13 2018-08-27 Dispositif de compactage du sol Active EP3456879B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017121177.2A DE102017121177A1 (de) 2017-09-13 2017-09-13 Bodenverdichtungsvorrichtung

Publications (2)

Publication Number Publication Date
EP3456879A1 true EP3456879A1 (fr) 2019-03-20
EP3456879B1 EP3456879B1 (fr) 2021-05-19

Family

ID=63407100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18190928.4A Active EP3456879B1 (fr) 2017-09-13 2018-08-27 Dispositif de compactage du sol

Country Status (5)

Country Link
US (1) US10344439B2 (fr)
EP (1) EP3456879B1 (fr)
CN (1) CN109487779B (fr)
DE (1) DE102017121177A1 (fr)
ES (1) ES2883654T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3744897A4 (fr) * 2019-04-05 2020-12-02 Honda Motor Co., Ltd. Dispositif de consolidation de sol
EP3835484A1 (fr) * 2019-12-09 2021-06-16 Husqvarna AB Machine de compactage dotée d'un ensemble de travail électrique
EP4269697A1 (fr) * 2022-04-29 2023-11-01 Ammann Schweiz AG Dispositif de compactage du sol pourvu d'un moyen de refroidissement

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Publication number Priority date Publication date Assignee Title
DE102019110041A1 (de) * 2019-04-16 2020-10-22 Wacker Neuson Produktion GmbH & Co. KG Handgeführtes Arbeitsgerät mit entkoppeltem Deichselträger
DE102020102949A1 (de) * 2020-02-05 2021-08-05 Wacker Neuson Produktion GmbH & Co. KG Vibrationsplatte mit Elektroantrieb
CN111705598A (zh) * 2020-06-14 2020-09-25 陈子寅 一种公路工程用路面整平机
JP7228910B2 (ja) * 2020-08-19 2023-02-27 三笠産業株式会社 振動締固め機
GB2604347A (en) * 2021-03-01 2022-09-07 Black & Decker Inc A compacting power tool
DE102022110562B4 (de) 2022-04-29 2024-02-15 Ammann Schweiz Ag Bodenverdichtungsvorrichtung
DE202022002915U1 (de) 2022-04-29 2024-01-15 Ammann Schweiz Ag Bodenverdichtungsvorrichtung

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE29804993U1 (de) * 1998-03-19 1998-06-18 Metz Bernhard Rütteleinrichtung zur Verfestigung des Baugrundes
EP0945188A2 (fr) * 1998-03-24 1999-09-29 Masa AG Appareil vibrant à masses rotatives non-équilibrées pour une machine de moulage de béton
DE19953553A1 (de) * 1999-11-08 2000-06-21 Joachim Mozdzanowski Bodenverdichter mit stufenlos verstellbarer Schwingungsamplitude
WO2000055430A1 (fr) * 1999-03-18 2000-09-21 Ulf Bertil Andersson Generateur de vibrations mecaniques

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US3339422A (en) * 1965-03-18 1967-09-05 Petrin Frank Electric motor driven vibrator and adjusting device therefor
US3889263A (en) * 1973-11-15 1975-06-10 Megapulse Inc Radio-frequency pulse generation system and method
DE19731731A1 (de) * 1997-07-23 1999-02-25 Wacker Werke Kg Bodenverdichtungsvorrichtung mit veränderbaren Schwingungseigenschaften
DE59908326D1 (de) * 1999-07-27 2004-02-19 Wacker Construction Equipment Bodenverdichtungsvorrichtung mit schwingungsisolierender halterung für eine starterbatterie
EP1267001B1 (fr) 2001-06-14 2009-09-23 Swepac International AB Compacteur à plaque vibrante
DE102007018353A1 (de) * 2007-04-18 2008-10-30 Wacker Construction Equipment Ag Schwingungserreger für Bodenverdichtungsvorrichtungen
DE102011104269A1 (de) * 2011-06-15 2012-12-20 Wacker Neuson Produktion GmbH & Co. KG Führungsdeichsel mit Energiespeicher
US8484857B2 (en) * 2011-07-26 2013-07-16 General Electric Company Component for axially aligning two shafts through intermediary materials
US9038491B2 (en) * 2013-05-06 2015-05-26 Martin Engineering Company Method of repositioning bearing wear in an industrial eccentric weight vibrator via power inversion and vibrator therefore

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29804993U1 (de) * 1998-03-19 1998-06-18 Metz Bernhard Rütteleinrichtung zur Verfestigung des Baugrundes
EP0945188A2 (fr) * 1998-03-24 1999-09-29 Masa AG Appareil vibrant à masses rotatives non-équilibrées pour une machine de moulage de béton
WO2000055430A1 (fr) * 1999-03-18 2000-09-21 Ulf Bertil Andersson Generateur de vibrations mecaniques
DE19953553A1 (de) * 1999-11-08 2000-06-21 Joachim Mozdzanowski Bodenverdichter mit stufenlos verstellbarer Schwingungsamplitude

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3744897A4 (fr) * 2019-04-05 2020-12-02 Honda Motor Co., Ltd. Dispositif de consolidation de sol
EP3835484A1 (fr) * 2019-12-09 2021-06-16 Husqvarna AB Machine de compactage dotée d'un ensemble de travail électrique
EP4269697A1 (fr) * 2022-04-29 2023-11-01 Ammann Schweiz AG Dispositif de compactage du sol pourvu d'un moyen de refroidissement

Also Published As

Publication number Publication date
CN109487779B (zh) 2022-01-07
DE102017121177A1 (de) 2019-03-28
EP3456879B1 (fr) 2021-05-19
ES2883654T3 (es) 2021-12-09
US20190078282A1 (en) 2019-03-14
US10344439B2 (en) 2019-07-09
CN109487779A (zh) 2019-03-19

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