EP1064431A1 - Richtungssteuerung für vibrationsplatte - Google Patents
Richtungssteuerung für vibrationsplatteInfo
- Publication number
- EP1064431A1 EP1064431A1 EP99907578A EP99907578A EP1064431A1 EP 1064431 A1 EP1064431 A1 EP 1064431A1 EP 99907578 A EP99907578 A EP 99907578A EP 99907578 A EP99907578 A EP 99907578A EP 1064431 A1 EP1064431 A1 EP 1064431A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- soil compacting
- damping
- damper
- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 18
- 239000000872 buffer Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 244000059549 Borneo rubber Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/38—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
-
- 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
Definitions
- the invention relates to a soil compaction device according to the preamble of patent claim 1.
- Such vibration plates usually consist of an upper mass having a drive and a lower mass, which essentially consists of a ground contact plate and a vibration exciter device driven by the drive.
- the vibration exciter device is usually one, two or four unbalance exciters which are arranged on one or two exciter shafts driven by the drive.
- the upper mass is in several places with the lower mass by spring-damper units, for. B. rubber buffer coupled.
- the steerability can therefore be implemented either with great effort by the operator or mechanically only by means of the complex hydraulics.
- the invention has for its object to provide a vibration plate with a directional control that is structurally simple but still highly effective. - 2 -
- the asymmetrical change of the damping properties or characteristics of at least one damping element which can be arranged, for example, on the right or left side of the vibration plate, generates a yaw moment about the vertical axis of the plate, so that the disk rotates in the corresponding direction.
- the vibration plate can therefore be rotated in the appropriate direction during driving, depending on the operator's wishes.
- At least one spring-damper unit has a damping material made of an electroviscous liquid which can be acted upon by the steering device with a variable electrical voltage. Electro-viscous liquids change their viscosity depending on an electrical voltage acting on them. When using an electroviscous liquid in a damper, it is possible to vary the damping characteristics from completely damping-free to rigid and thus, depending on the voltage applied, to set the desired damping value.
- One or more such dampers are preferably used together with rubber buffers, which couple the upper mass to the lower mass in a known manner.
- the electroviscous dampers are arranged parallel to the rubber buffers.
- the damping characteristic of the selected rubber buffer is changed in that a rod is provided which can be moved into and out of the rubber buffer by means of an actuator which can be controlled by the steering device.
- Yet another embodiment of the invention is characterized in that the spring-damper unit, its spring and / or damping properties are changeable, has a plurality of springs and / or dampers which can be switched on or off individually by the steering device via an actuator. This makes it possible, for example, to vary the coupling point of the rubber buffers to the lower or upper mass by interposing springs or further rubber buffers. It is also possible to completely bypass individual rubber buffers by means of a magnetic latch or to switch on another rubber buffer.
- the single figure shows schematically a side view of a vibration plate according to the invention.
- An upper mass 1 essentially consists of a drive 2, which is fastened on a frame 3 and covered by a protective frame 4.
- a guide drawbar 5 with a steering lever 6 is also attached to the frame 3.
- the upper mass 1 is attached to its frame 3 by means of several, usually four rubber buffers 7 on a lower mass 8, which essentially consists of a ground contact plate 9 and a vibration exciter device 10. Since the vibration exciter device 10 and the drive 2 driving it are known, their detailed description is omitted.
- the rubber buffers 7 are usually inserted between the frame 3 and the ground contact plate 9.
- damping elements which contain an electroviscous liquid (for example RHEOBAY®) as the damping material.
- Electro-viscous liquids are characterized in that their viscosity can be changed as a function of an applied voltage. For example, it is possible to let the electroviscous liquid flow largely without resistance in the damper, as a result of which the damping effect is low. On the other hand, the viscosity can also be increased significantly by applying the voltage, which leads to an increase in the damping effect.
- the change in the voltage to be applied to the electroviscous damper is effected by actuating the steering lever 6, which is connected to a suitable control unit, not shown. The control unit generates and varies the voltage in the desired manner.
- An embodiment is particularly preferred in which on both sides, i.e. , seen in the direction of travel, at least one electroviscous damper is arranged on the left and right.
- the liquids in both dampers change their viscosity when the steering lever 6 is actuated accordingly, so that different damping effects are achieved on both sides and the desired yaw moment can be generated about the vertical axis of the vibration plate.
- the coupling point of the rubber buffers on the lower or upper mass can be varied, for example by interposing further rubber buffers or springs.
- the switchover then takes place either by means of an actuator or an electromagnetic actuator, which either completely bridges the rubber buffer or actuates a further rubber buffer by actuating a latch.
- the guide drawbar is completely dispensed with. Instead, a remote control is used, which enables the operator to operate the vibrating plate from a distance and thus outside the danger zone. Furthermore, the operator is no uncomfortable vibrations exposed more. However, this does not only have the advantage of increasing comfort: Since the guide drawbar and the previously used, expensive hydraulics can be dispensed with, considerable manufacturing costs can be saved.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Agronomy & Crop Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (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)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19811345A DE19811345C2 (de) | 1998-03-16 | 1998-03-16 | Bodenverdichtungsvorrichtung |
DE19811345 | 1998-03-16 | ||
PCT/EP1999/001311 WO1999047754A1 (de) | 1998-03-16 | 1999-03-01 | Richtungssteuerung für vibrationsplatte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1064431A1 true EP1064431A1 (de) | 2001-01-03 |
EP1064431B1 EP1064431B1 (de) | 2002-10-02 |
Family
ID=7861054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99907578A Expired - Lifetime EP1064431B1 (de) | 1998-03-16 | 1999-03-01 | Richtungssteuerung für vibrationsplatte |
Country Status (5)
Country | Link |
---|---|
US (1) | US6435767B1 (de) |
EP (1) | EP1064431B1 (de) |
JP (1) | JP2002506940A (de) |
DE (2) | DE19811345C2 (de) |
WO (1) | WO1999047754A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19913074C2 (de) * | 1999-03-23 | 2001-07-26 | Wacker Werke Kg | Bodenverdichtungsvorrichtung mit Servosteuerung |
DE10019806B4 (de) * | 2000-04-20 | 2005-10-20 | Wacker Construction Equipment | Bodenverdichtungsvorrichtung mit Schwingungsdetektion |
EP1411174B1 (de) * | 2002-10-15 | 2009-04-08 | Rammax Maschinenbau GmbH | Bodenverdichtungsvorrichtung |
JP2006009458A (ja) * | 2004-06-28 | 2006-01-12 | Dajin Machinery (Shanghai) Co Ltd | 振動式転圧機 |
DE102004048459A1 (de) * | 2004-10-05 | 2006-04-13 | Wacker Construction Equipment Ag | Vibrationsplatte mit in Deichsel integrierbarer Fernsteuerung |
US7354221B2 (en) * | 2005-02-28 | 2008-04-08 | Caterpillar Inc. | Self-propelled plate compactor having linear excitation |
JP4500219B2 (ja) * | 2005-06-06 | 2010-07-14 | 三笠産業株式会社 | 振動締固め機の防振ハンドル |
DE102005029432A1 (de) * | 2005-06-24 | 2006-12-28 | Wacker Construction Equipment Ag | Bodenverdichtungsvorrichtung mit automatischer oder bedienerintuitiver Verstellung des Vorschubvektors |
DE102005030860A1 (de) * | 2005-07-01 | 2007-01-25 | Wacker Construction Equipment Ag | Vibrationsplattensystem |
DE102006041784A1 (de) * | 2006-09-06 | 2008-03-27 | Wacker Construction Equipment Ag | Schwingungserreger |
DE102008017058B4 (de) | 2008-04-03 | 2017-03-09 | Wacker Neuson Produktion GmbH & Co. KG | Seitensteuerung für eine Vibrationsplatte |
DE102011115008A1 (de) * | 2011-10-06 | 2013-04-11 | Wacker Neuson Produktion GmbH & Co. KG | Elektrowerkzeug mit Schutzhaube |
JP5808272B2 (ja) * | 2012-03-01 | 2015-11-10 | 株式会社日立建機カミーノ | 振動プレート |
US9677240B2 (en) * | 2012-09-05 | 2017-06-13 | M-B-W Inc. | Single direction vibratory plate |
US20160340849A1 (en) | 2015-05-18 | 2016-11-24 | M-B-W, Inc. | Vibration isolator for a pneumatic pole or backfill tamper |
US9926676B1 (en) * | 2016-09-28 | 2018-03-27 | Caterpillar Inc. | Locking mechanism for removable base plate on vibratory compactor |
WO2022010999A1 (en) | 2020-07-07 | 2022-01-13 | Milwaukee Electric Tool Corporation | Plate compactor |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1168350B (de) * | 1954-05-24 | 1964-04-16 | Adolf Kindler Dipl Ing | Ruettelvorrichtung zum Verdichten des Baugrundes mit einer Ruettelplatte |
US3073219A (en) * | 1959-05-25 | 1963-01-15 | Racine Hydraulics And Machiner | Material compacting device |
US3109354A (en) * | 1961-01-03 | 1963-11-05 | Jay Corp | Tamping device |
US3283677A (en) * | 1964-09-01 | 1966-11-08 | Wacker Hermann | Manually guided motor driven tamping device for earth, concrete and other materials |
DE6610155U (de) * | 1965-09-14 | 1973-05-10 | Bernhard Beierlein | Bodenverdichter mit gegenueber der bodenplatte abgefederter auflast. |
DE1934591U (de) * | 1966-01-11 | 1966-03-10 | Losenhausenwerk Duesseldorfer | Selbstbeweglicher plattenruettler. |
US3603225A (en) * | 1970-01-26 | 1971-09-07 | Mbw Inc | Portable tamping machine |
US3694018A (en) * | 1970-07-22 | 1972-09-26 | Gen Motors Corp | Elastomeric impact energy dissipator |
DE2058038C3 (de) | 1970-11-25 | 1975-04-10 | Wacker-Werke Kg, 8000 Muenchen | Stampfgerät zum Verdichten von Erdreich, Beton od. dgl |
US3782845A (en) * | 1971-08-27 | 1974-01-01 | Koehring Co | Compactor |
US4425980A (en) * | 1981-12-14 | 1984-01-17 | The Boeing Company | Beam dampers for damping the vibrations of the skin of reinforced structures |
NL8303676A (nl) * | 1983-10-25 | 1985-05-17 | Ballast Nedam Groep Nv | Werkwijze en inrichting voor het verdichten van grond. |
US4643611A (en) * | 1985-04-08 | 1987-02-17 | Wacker Corporation | Vibratory compactor having improved cast base |
SE452349B (sv) * | 1986-04-23 | 1987-11-23 | Dynapac Ab | Forfarande och anordning vid sjelvgaende handmanovrerad vibratorplatta |
US4954375A (en) * | 1988-12-29 | 1990-09-04 | Westinghouse Electric Corp. | Vibration damping apparatus |
US5387370A (en) * | 1991-07-24 | 1995-02-07 | Tonen Corporation | Electroviscous fluid |
DE4343865A1 (de) * | 1993-12-22 | 1995-07-13 | Ammann Duomat Verdichtung | Bodenverdichtungsgerät |
US5547049A (en) * | 1994-05-31 | 1996-08-20 | Lord Corporation | Magnetorheological fluid composite structures |
US5672027A (en) * | 1996-08-01 | 1997-09-30 | Wadensten; Theodore S. | Reversible plate compactor having an improved drive and directional control |
DE19731731A1 (de) * | 1997-07-23 | 1999-02-25 | Wacker Werke Kg | Bodenverdichtungsvorrichtung mit veränderbaren Schwingungseigenschaften |
-
1998
- 1998-03-16 DE DE19811345A patent/DE19811345C2/de not_active Expired - Fee Related
-
1999
- 1999-03-01 EP EP99907578A patent/EP1064431B1/de not_active Expired - Lifetime
- 1999-03-01 DE DE59902933T patent/DE59902933D1/de not_active Expired - Lifetime
- 1999-03-01 WO PCT/EP1999/001311 patent/WO1999047754A1/de active IP Right Grant
- 1999-03-01 JP JP2000536926A patent/JP2002506940A/ja active Pending
- 1999-03-01 US US09/646,234 patent/US6435767B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9947754A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6435767B1 (en) | 2002-08-20 |
EP1064431B1 (de) | 2002-10-02 |
JP2002506940A (ja) | 2002-03-05 |
DE19811345A1 (de) | 1999-09-30 |
DE59902933D1 (de) | 2002-11-07 |
WO1999047754A1 (de) | 1999-09-23 |
DE19811345C2 (de) | 2002-11-07 |
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