EP1449965A2 - Vibreur pour compaction du sol - Google Patents

Vibreur pour compaction du sol Download PDF

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Publication number
EP1449965A2
EP1449965A2 EP03026486A EP03026486A EP1449965A2 EP 1449965 A2 EP1449965 A2 EP 1449965A2 EP 03026486 A EP03026486 A EP 03026486A EP 03026486 A EP03026486 A EP 03026486A EP 1449965 A2 EP1449965 A2 EP 1449965A2
Authority
EP
European Patent Office
Prior art keywords
unbalanced
vibration excitation
shafts
excitation device
unbalanced shafts
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
EP03026486A
Other languages
German (de)
English (en)
Other versions
EP1449965A3 (fr
EP1449965B1 (fr
Inventor
Niels Laugwitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bomag GmbH and Co OHG
Original Assignee
Bomag GmbH and Co OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bomag GmbH and Co OHG filed Critical Bomag GmbH and Co OHG
Publication of EP1449965A2 publication Critical patent/EP1449965A2/fr
Publication of EP1449965A3 publication Critical patent/EP1449965A3/fr
Application granted granted Critical
Publication of EP1449965B1 publication Critical patent/EP1449965B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00—Excavating
    • Y10S37/903—Scoop or scraper attachments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18544—Rotary to gyratory
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18544—Rotary to gyratory
    • Y10T74/18552—Unbalanced weight

Definitions

  • the invention relates to a vibration exciter device for use in a soil compaction machine, such as a vibrating plate or a roller, with a Vibration excitation device, a first pair of unbalanced shafts and a tilting moment compensation device.
  • Conventional soil compaction machines for example reversible vibratory plates as well as vibratory rollers, are used to generate directional vibrations with a opposed pair of unbalanced shafts.
  • the unbalances of the two shafts rotate synchronous but with opposite direction of rotation.
  • a phase shift can result in a desired directional vibration direction can be set and a directional forward or Backward movement of the soil compaction machine can be generated.
  • a vibration plate which is used to suppress a such a tilting moment has a tilting moment compensation device. It includes a central unbalanced shaft between a pair of unbalanced shafts.
  • the unbalance mass of the central unbalanced shaft is as large as the total unbalanced mass of the unbalanced shaft pair.
  • the central unbalanced shaft rotates in the opposite direction to the pair of unbalanced shaft rotating in the same direction, where the speed of all unbalanced shafts is synchronous. By this arrangement no undesired tilting moment occurs.
  • the object of the present invention is to provide a soil compaction machine at the entrance mentioned type to improve and a simple and inexpensive alternative to the previously known Tilting moment compensation device for use in a soil compaction machine to accomplish.
  • This object is achieved in that as a tilting moment compensation device in A second unbalanced shaft pair is arranged next to the first unbalanced shaft pair in the axial direction is.
  • the first and second pair of unbalanced shafts rotate in opposite directions and diagonally opposite unbalanced shafts rotate in the same direction.
  • the invention has the advantage that there are undesirable force components and torques cancel each other out so that no tilting moments occur.
  • Another advantage of the invention is that the vibration exciter from similar components is simple and symmetrical, so that cost advantages are achieved. Since the Total unbalanced mass distributed over four shafts, the total unbalanced mass can be increased or the unbalanced shafts can be dimensioned smaller.
  • the unbalanced shafts do not have to be aligned next to each other in pairs, but instead the unbalanced shafts of the one unbalanced shaft pair can become the unbalanced shafts of the other unbalanced shaft pair to be offset axially parallel with crosswise symmetry.
  • crosswise symmetry is understood here as an arrangement in which the diagonally opposite Unbalance shafts to the crossing point of their connecting lines in pairs are arranged symmetrically.
  • the axis-parallel offset can take place within the same plane or out of the plane. For example, a left rear imbalance shaft could lag behind by a certain amount be at the top. Then the front right unbalance shaft would have to be adjusted by the same amount be offset below to create the required symmetry. It can also be advantageous be that the distances of the diagonally opposite unbalanced shafts differ are.
  • the diagonal unbalanced shafts can be driven separately.
  • the diagonal unbalanced shafts are rotatably coupled, for example via a gear. This has the advantage that the diagonal unbalanced shafts have the same direction of rotation and the same Always maintain the speed of rotation and thus the functionality and the tilting moment compensation always ensure.
  • the synchronization is further simplified by that all unbalanced shafts are rotatably coupled.
  • the transmission has two connected crown wheels and engaging spur gears on the unbalanced shafts.
  • the advantage is here in that a gearbox is created from relatively few, simple and known components that ensures the function of the device.
  • the transmission is preferably operatively connected to a single drive. That has the Advantage that the functions have the same direction of rotation and the same speed of the unbalanced shafts can be maintained and additional drives can be saved.
  • each unbalanced shaft pair has an unbalanced shaft with variable phase position.
  • a synchronization device is also preferred for synchronous adjustment of the phase position available. It can either common phase adjustment of both unbalanced shaft pairs or for independent Be phase adjustment trained.
  • a particularly preferred further training consists in that the synchronizing device has a hydraulically operating current divider.
  • FIG. 1 shows a first vibration excitation device driven by a drive 1 a soil compaction machine in parallel to a first pair of unbalanced shafts 2 laterally offset in the axial direction a similar second unbalanced shaft pair 3 as Tilting moment compensation device is arranged.
  • Each unbalanced shaft pair 2, 3 comprises two axially parallel, counter-rotating unbalanced shafts 4, 5 or 4 ', 5' with the same unbalanced masses 9, 10, the unbalanced masses 9, 10 of a pair of unbalanced shafts 2, 3 for generating out of phase Centrifugal forces are arranged offset in angle.
  • the unbalanced shaft pairs 2, 3 lie in such a way that their unbalanced shafts are aligned in pairs. Furthermore lie Imbalance shafts in the same direction of rotation diagonally opposite. Imbalance shafts rotating in the same direction 4, 4 'on the one hand and counter-rotating unbalanced shafts 5, 5' on the other hand Straight ahead each same phase position.
  • the phase positions are different for a steering movement adjustable.
  • the unbalanced shafts 4, 4 ', 5, 5' are in the by a positive force transmission means Coupled non-rotatably with each other that the directions of rotation and phase assignments ensured are.
  • the power transmission means in the present example is a double crown gear 25 trained. Its non-rotatably connected crown gears 6 mesh on both Pages each with a spur gear 7 and a counter spur gear 8. Die Spur gears 7 and 8 are rotatably connected to the unbalanced shafts 4, 4 'and 5, 5'.
  • the drive 1 acts on the crown gear via the unbalanced shaft 4.
  • the unbalanced shafts 9, 10 are held by bearing elements 12, for example cylindrical roller bearings.
  • the diagonally opposite unbalances of the unbalanced shafts 5, 5 ' can be in their phase position alone or together with respect to the other imbalances can be changed by the relevant unbalanced masses 10 are offset on their unbalanced shafts 5, 5 '.
  • two hydraulically operated twisting devices 11 are used, which are located on the front side of the Unbalance shafts 5, 5 'are arranged.
  • the two diagonally opposite unbalanced shafts 10 are simultaneously in their phase position adjusted, the direction of the resulting centrifugal force changes. That changes the direction of vibration and the soil compaction machine also move forward or backward. If only one of the two waves 10 is changed in its phase position, one arises Steering movement.
  • FIG 2 shows the mode of operation of the vibration excitation device in a three-dimensional, schematic representation illustrated.
  • eight phase positions a) to h) are shown in FIG Imbalances are shown in the course of a complete shaft revolution. Filled in black Points represent the respective angular positions of the unbalanced masses 9, 10.
  • the unbalance masses 9 turn clockwise, indicated by the curved direction arrow 13, and the unbalance masses 10 rotate counterclockwise, indicated by the direction of rotation arrow 14.
  • the unbalanced masses 9, 10 of a pair of unbalanced shafts 2 or 3 each phase-shifted by 90 °. Have diagonally opposite unbalanced masses same phase.
  • centrifugal forces of a pair of unbalanced shafts are each one resulting Centrifugal force summarized and shown as a solid black arrow 15, 16.
  • the Arrows 15, 16 are plotted and point at the point of application of the resulting centrifugal force each in the direction in which the resulting centrifugal force acts.
  • the length of the Arrow represents the magnitude of the force.
  • the arrow 15 denotes the resulting centrifugal force 15 of the unbalanced shaft pair 2 and the arrow 16 the resulting centrifugal force 16 of the other Unbalance shaft pairs 3.
  • the starting position according to FIG. 2a) shows the beginning of the rotational movement.
  • On the back Longitudinal axis 18 rotates the unbalance 9 clockwise around the transverse axis 19.
  • the unbalance 10 rotates counterclockwise around the transverse axis 20.
  • the resulting centrifugal force 15 of rear imbalance shaft pair 2 engages at the intersection of the longitudinal connection axes 18 and 19 on and acts obliquely downwards in the x-z direction, i.e. towards the underground.
  • the resulting centrifugal force 16 of the one located on the front longitudinal axis 17 is directed Unbalances 9 and 10 of the second unbalanced shaft pair 3.
  • the resulting centrifugal force 16 attacks at the intersection of the longitudinal connection axes 17 and 20. Because both result Centrifugal forces 15 and 16 are the same size and are directed parallel, no tilting moment occurs.
  • the unbalanced shafts are 4, 5 of a pair of unbalanced shafts 2 to the unbalanced shafts 4 ', 5' of the other Unbalanced shaft pair 3 offset axially parallel with crosswise symmetry.
  • the crosswise Symmetry results from the fact that the diagonally opposite unbalanced shafts 4,4 '; 5, 5 'to the crossing point 30 of their connecting lines 31, 32 arranged symmetrically in pairs are.
  • Fig. 3 illustrates an arrangement offset spatially upwards and downwards axially parallel the diagonally opposite unbalanced shafts 5, 5 'to the others lying in one plane diagonally opposite unbalanced shafts 4, 4 '.
  • the offset Vo up and the Offset Vu down are the same.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Soil Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Machines (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Soil Working Implements (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
EP03026486A 2003-02-18 2003-11-20 Vibreur pour compaction du sol Expired - Lifetime EP1449965B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10306791A DE10306791A1 (de) 2003-02-18 2003-02-18 Schwingungserregervorrichtung
DE10306791 2003-02-18

Publications (3)

Publication Number Publication Date
EP1449965A2 true EP1449965A2 (fr) 2004-08-25
EP1449965A3 EP1449965A3 (fr) 2005-12-28
EP1449965B1 EP1449965B1 (fr) 2008-05-07

Family

ID=32731038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03026486A Expired - Lifetime EP1449965B1 (fr) 2003-02-18 2003-11-20 Vibreur pour compaction du sol

Country Status (5)

Country Link
US (1) US7302871B2 (fr)
EP (1) EP1449965B1 (fr)
AT (1) ATE394550T1 (fr)
DE (2) DE10306791A1 (fr)
ES (1) ES2301747T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3520909A3 (fr) * 2018-01-23 2019-09-18 Terex GB Limited Mécanisme de génération de vibrations destiné à une boîte de tamis vibrant

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007018353A1 (de) * 2007-04-18 2008-10-30 Wacker Construction Equipment Ag Schwingungserreger für Bodenverdichtungsvorrichtungen
US20110133482A1 (en) * 2008-08-21 2011-06-09 Surinder Singh Parmar System and method for production of electricity in small/large scale in an eco-friendly manner without usage of any raw materials
DE102011112316B4 (de) * 2011-09-02 2020-06-10 Bomag Gmbh Schwingungserreger zur Erzeugung einer gerichteten Erregerschwingung
DE102012025378A1 (de) * 2012-12-27 2014-07-03 Wacker Neuson Produktion GmbH & Co. KG Schwingungserreger für bodenverdichtungsvorrichtungen
DE102012025376A1 (de) * 2012-12-27 2014-07-03 Wacker Neuson Produktion GmbH & Co. KG Schwingungserreger für lenkbare bodenverdichtungsvorrichtungen
US20160349143A1 (en) * 2015-06-01 2016-12-01 Peter S. Aronstam Systems, Methods, and Apparatuses For a Vibratory Source
EP3357589A1 (fr) * 2017-02-03 2018-08-08 BAUER Maschinen GmbH Générateur de vibrations et procédé de production de vibrations
RU2654892C1 (ru) * 2017-02-20 2018-05-23 Акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" Валец вибрационного катка
CN108636746A (zh) * 2018-05-24 2018-10-12 中国矿业大学(北京) 对角四踏步型振动系统
DE102018006902A1 (de) 2018-08-30 2020-03-05 Forschungs- Und Transferzentrum Leipzig E.V. An Der Hochschule Für Technik, Wirtschaft Und Kultur Leipzig Schwingungserreger für Walzenvorrichtung zur Bodenverdichtung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6818522A (fr) * 1968-01-15 1969-07-17
FR2647705B1 (fr) * 1989-06-02 1991-08-30 Balbinot Ets Installation a table vibrante pour la fabrication de produits en beton
DE4301368A1 (de) * 1992-07-03 1994-01-05 Gedib Ingbuero Innovation Vorrichtung und Verfahren zur Schwingungserregung
DE19547043C2 (de) * 1995-12-18 1997-10-02 Wacker Werke Kg Schwingungserreger zum Erzeugen einer gerichteten Schwingung
DE19714555C2 (de) * 1997-04-09 2001-06-21 Wacker Werke Kg Arbeitsgerät, insbesondere Stampfgerät zur Bodenverdichtung oder Hammer
DE29723617U1 (de) * 1997-05-27 1998-11-26 AMMANN Verdichtung GmbH, 53773 Hennef Vibrationsplatte zur Verdichtung des Bodens
WO1999058258A1 (fr) * 1998-05-08 1999-11-18 GEDIB Ingenieurbüro und Innovationsberatung GmbH Dispositif de reglage pour regler le moment statique resultant de generateurs de vibrations a balourd
DE19943391A1 (de) * 1999-09-10 2001-04-12 Wacker Werke Kg Schwingungserreger für Bodenverdichtungsgeräte
AUPQ931200A0 (en) * 2000-08-09 2000-08-31 Ludowici Mineral Processing Equipment Pty Ltd Exciter apparatus
US20020104393A1 (en) * 2001-02-07 2002-08-08 Van Es J. R. Variable moment vibrator
US6749365B2 (en) * 2002-03-18 2004-06-15 M-B-W Inc. Vibration isolation for a percussion rammer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3520909A3 (fr) * 2018-01-23 2019-09-18 Terex GB Limited Mécanisme de génération de vibrations destiné à une boîte de tamis vibrant
US11285511B2 (en) 2018-01-23 2022-03-29 Terex Gb Limited Vibration generating mechanism for a vibrating screen box
US11638932B2 (en) 2018-01-23 2023-05-02 Terex Gb Limited Vibration generating mechanism for a vibrating screen box

Also Published As

Publication number Publication date
US7302871B2 (en) 2007-12-04
US20040173040A1 (en) 2004-09-09
DE50309774D1 (de) 2008-06-19
ATE394550T1 (de) 2008-05-15
EP1449965A3 (fr) 2005-12-28
EP1449965B1 (fr) 2008-05-07
ES2301747T3 (es) 2008-07-01
DE10306791A1 (de) 2004-08-26

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