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EP1267001B1 - Verdichter mit Vibrationsplatte - Google Patents

Verdichter mit Vibrationsplatte Download PDF

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Publication number
EP1267001B1
EP1267001B1 EP20010850105 EP01850105A EP1267001B1 EP 1267001 B1 EP1267001 B1 EP 1267001B1 EP 20010850105 EP20010850105 EP 20010850105 EP 01850105 A EP01850105 A EP 01850105A EP 1267001 B1 EP1267001 B1 EP 1267001B1
Authority
EP
European Patent Office
Prior art keywords
bottom plate
machine
accumulator unit
vibrating element
batteries
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20010850105
Other languages
English (en)
French (fr)
Other versions
EP1267001A1 (de
Inventor
Lennart Svensson
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.)
Swepac International AB
Original Assignee
Swepac International AB
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 Swepac International AB filed Critical Swepac International AB
Priority to EP20010850105 priority Critical patent/EP1267001B1/de
Priority to DE60139985T priority patent/DE60139985D1/de
Publication of EP1267001A1 publication Critical patent/EP1267001A1/de
Application granted granted Critical
Publication of EP1267001B1 publication Critical patent/EP1267001B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 present invention relates to a compactor, comprising a bottom plate which for compacting of sand, gravel, macadam etc. is vibratable by means of a vibrating element which is rigidly connected to the bottom plate, and an upper part which is elastically connected to the bottom plate and adapted to weigh down the bottom plate and which supports a drive motor for driving the vibrating element.
  • Machines of the type mentioned by way of introduction have been known for a long time and are used when working with the soil, such as in connection with paving, road building, asphalting or preparation of foundations and ditches. They have a petrol- or diesel-powered internal combustion engine, which hydraulically or by means of a drive belt drives a rotary shaft of a vibrating element, on which shaft weights are eccentrically arranged to cause the vibrating element to vibrate at a frequency which is dependent on the speed of rotation of the rotary shaft.
  • a drawback of the prior art machines is that their internal combustion engines produce exhaust gases which influence the environment as such and in particular the operator's work environment, especially when working in deep ditches in which the exhaust gases often remain for a long time.
  • a further drawback is that the internal combustion engines also cause undesirable vibrations which via the operating handle of the machine are propagated to the operator and thus can injure him. Since the engine as well as the operating handle are mounted on the upper part of the machine, it is more difficult to keep these vibrations away from the operating handle than the vibrating motions from the bottom plate which in fact is elastically connected to the upper part of the machine.
  • the object of the invention is to provide a compactor of the type mentioned by way of introduction, which can operate freely and independently, does not cause any exhaust gases injurious to health, is easy to devibrate and has a motor which operates more silently than a petrol or diesel engine.
  • the drive motor is an electric motor, which is driven by an electric accumulator unit which is mounted on the upper part and which comprises at least one rechargeable battery which constitutes a weight for weighing down the bottom plate.
  • the weight of the rechargeable battery to load or weigh down the bottom plate and, of course, by simultaneously minimising the weight of the upper part, will it be possible to provide a battery-operated compactor, whose total weight with regard to its power can be compared with that of a traditional machine with an internal combustion engine, with a battery capacity which suffices for about 1.5-2 hours of operation, which well satisfies the need during a normal work day for such a machine, for instance in connection with paving or preparation of ditches.
  • the fact that the limit for the total weight is not exceeded, as well as a low point of balance, is important for the operability of a compactor, i.e. a traditional machine, originally intended for an internal combustion engine but provided with an electric motor and an associated battery, would be too heavy and unstable for practical use.
  • the vibrating element is preferably arranged at the front edge of the bottom plate seen in the travelling direction of the machine, and the electric motor is arranged behind and essentially on the same level as said element.
  • the electric motor is arranged behind and essentially on the same level as said element.
  • the electric motor is adapted to drive the vibrating element by means of a drive belt since this is the type of transmission that has the lowest weight and which consequently provides space for a maximum of battery capacity.
  • the upper part has impact absorbers which are directed towards the bottom plate and adapted to softly absorb great motions of the upper part which are directed towards the bottom plate. This is very important for the compactor according to the invention since otherwise there is a risk that the battery will be damaged, for instance when unloading the machine from a lorry platform in a careless manner.
  • the accumulator unit suitably comprises a charger which is directly connectable to mains for charging the rechargeable battery since in this way it will be easy to ensure that the battery of the machine is properly charged when necessary.
  • the accumulator unit is a module which in one piece is mountable on and removable from the upper part.
  • a solution involving a module is practical since it easily enables manufacture of machines with different battery capacities and/or with chargers of different capacities and since it facilitates maintenance.
  • the accumulator unit preferably comprises at least two rechargeable batteries and a yoke which extends over the batteries to retain them on the accumulator unit and which has a first end pivotally connected to the accumulator unit and a second end releasably connected to the accumulator unit, in such manner that the yoke, when its second end is released, is pivotable away for simultaneous release of the batteries.
  • the prior art compactor 1 shown in Figs 1 and 2 has a bottom plate 2, which for compacting of sand, gravel, macadam etc. is vibratable by means of a vibrating element 3 of the above-mentioned type, which, seen in the travelling direction F of the machine 1 at the front edge of the bottom plate 2, is rigidly connected to this plate 2.
  • the machine 1 has an upper part 4 which is elastically connected to the bottom plate 2 by means of vibration insulators (not shown), is adapted to weigh down the bottom plate 2 and supports an internal combustion engine 5 for driving the vibrating element 3.
  • the transmission between the engine 5 and the vibrating element 3 comprises a centrifugal clutch 6 on the output shaft of the engine and a drive belt 7 which runs over a pulley on the output shaft of the clutch 6 and over a pulley 8 on the shaft of the vibrating element.
  • the machine 1 has an operating handle 9 fixed to the rear edge of the upper part 4 and, suspended from the operating handle, transport wheels 10 which, for moving the machine 1 in switched-off state, are attachable to the bottom plate 2 in a manner not shown.
  • the embodiment of the compactor 11 according to the invention as illustrated in Figs 3-6 also has a bottom plate 12 which is vibratable by means of a vibrating element 13 arranged at the front edge of the bottom plate 12 and which by means of four rubber pads 14 is elastically connected to an upper part 15, which is adapted to weigh down the bottom plate 12.
  • the upper part 15, supports an electric motor 16, which, seen in the travelling direction F of the machine, is arranged behind and essentially on the same level as the vibrating element 13 in a special, upwards open compartment 17 in a first sheet metal frame 18 associated with the upper part 15.
  • the transmission between the motor 16 and the vibrating element 13 also in this case comprises a drive belt 19 which runs over pulleys 20, 21, but since the electric motor 16 need not be capable of idling, the centrifugal clutch of the prior art machine is missing and the driving pulley 21 is arranged on the shaft of the electric motor 16 instead.
  • the machine 11 according to the invention also has an operating handle which is attached to the rear edge of the upper part 15.
  • the handle is not shown in the drawings of the machine 11 since it may be designed in many different, but well-known, manners.
  • the fixing points 22 of the handle on the first sheet metal frame 18 of the upper part 15 are consciously positioned at a low level in order to obtain as low a tilting moment as possible when operating the machine 11 sideways.
  • three rechargeable lead batteries 23-25 along with a charger 26 are mounted in such manner on a second sheet metal frame 27 associated with the upper part 15 that they, together with this sheet metal frame 27 and a locking yoke 28 mounted on the sheet metal frame 27 which holds the batteries 23-25 in place, form a module 29 which is clearly illustrated in Fig. 6 .
  • the locking yoke 28 is designed and screwed to said second sheet metal frame 27 in such manner, that after removal of rear screws 30 on both sides of the second sheet metal frame 27, it can be pivoted forwards on front screws 31 on both sides of this sheet metal frame for simultaneous release of all three batteries 23, 25.
  • the second sheet metal frame 27 has in its lower part lugs 32, 33 extending sideways, through which screws 34 can be inserted for attaching the second sheet metal frame 27 and, thus, the module 29 to the first sheet metal frame 18 of the upper part 15.
  • impact absorbers of rubber are arranged between the upper part 15 and the bottom plate 12, on the one hand in the front part at 34 on the underside of the upper part 15 and, on the other hand, in the rear part at 35, which impact absorbers 34, 35, for operation, only come into contact with the respective opposite machine parts (the vibrating element 13 for the front impact absorbers 34 and the first sheet metal frame 18 for the rear impact absorbers 35) in connection with great motions of the upper part 15 towards the bottom plate 12.
  • rubber pads 36, 37 are arranged between said locking yoke 28 and the batteries 23, 24, and the batteries 23, 25 can rest on a yieldable base of e.g. foam rubber (not shown) .
  • the shown charger 26 has a very great capacity and can, by being connected to mains, recharge the batteries completely within a few hours. Owing to its great capacity, the charger has a relatively great cooling requirement which is satisfied by means of cooling flanges 38 which cover one side of the charger 26. This side is in the shown embodiment of the compactor 11 directed to the rear of the machine so that its cooling flanges 38 for maximum cooling extend essentially vertically and preferably are uncovered in a special vent opening in a machine cover (not shown) which covers and protects at least said module 29.
  • the vibrating element instead of the illustrated simple variant may have a forward-back function
  • the transmission instead of the shown drive belt solution may comprise hydraulic transmission
  • the batteries instead of the shown lead batteries may be some other convenient type
  • the charger instead of the shown quick charger may have a lower capacity for recharging of the batteries by night.

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)

Claims (7)

  1. Verdichtungsmaschine, die eine Bodenplatte (12) umfasst, die zum Verdichten von Sand, Kies, Makadam usw. mittels eines Vibrationselements (13), das starr mit der Bodenplatte (12) verbunden ist, in Vibration versetzt werden kann, und einen oberen Teil (15) umfasst, der elastisch mit der Bodenplatte (12) verbunden ist und dafür geeignet ist, mit seinem Gewicht die Bodenplatte (12) nach unten zu drücken, und einen Antriebsmotor (16) zum Antreiben des Vibrationselements (13) trägt, wobei es sich bei dem Antriebsmotor (16) um einen Elektromotor handelt, der durch eine elektrische Akkumulatoreinheit angetrieben wird, die auf dem oberen Teil (15) montiert ist und die mindestens eine wiederaufladbare Batterie (23-25) umfasst, die ein Gewicht zum Niederdrücken der Bodenplatte (12) darstellt.
  2. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass das Vibrationselement (13) an der Vorderkante der Bodenplatte (12) - in der Arbeitsrichtung (F) der Maschine gesehen - angeordnet ist und dass der Elektromotor (16) hinter dem, und im Wesentlichen auf derselben Höhe wie das, Element (13) angeordnet ist.
  3. Maschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Elektromotor dafür geeignet ist, das Vibrationselements (13) mittels eines Treibriemens (19) anzutreiben.
  4. Maschine nach einem der Ansprüche 1-3, dadurch gekennzeichnet, dass der obere Teil (15) Stoßdämpfer (34, 35) aufweist, die in Richtung der Bodenplatte (12) weisen und dafür geeignet sind, starke Bewegungen des oberen Teils (15), die zu der Bodenplatte (12) gerichtet sind, sanft aufzufangen.
  5. Maschine nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass die Akkumulatoreinheit eine Ladevorrichtung (26) umfasst, die direkt an ein Mittel zum Aufladen der wiederaufladbaren Batterie (23-25) angeschlossen werden kann.
  6. Maschine nach einem der Ansprüche 1-5, dadurch gekennzeichnet, dass die Akkumulatoreinheit ein Modul (29) ist, das in einem Stück auf dem oberen Teil (15) montiert und von dem oberen Teil (15) abgenommen werden kann.
  7. Maschine nach einem der Ansprüche 1-6, dadurch gekennzeichnet, dass die Akkumulatoreinheit mindestens zwei wiederaufladbare Batterien (23-25) und ein Joch (28) umfasst, das sich über die Batterien (23-25) erstreckt, um sie auf der Akkumulatoreinheit zu halten, und das ein erstes Ende (31) aufweist, das an der Akkumulatoreinheit angelenkt ist, und ein zweites Ende (30) aufweist, das lösbar mit der Akkumulatoreinheit verbunden ist, dergestalt, dass das Joch (28), wenn sein zweites Ende gelöst wird, fortgeschwenkt werden kann, um gleichzeitig die Batterien (23-25) freizugeben.
EP20010850105 2001-06-14 2001-06-14 Verdichter mit Vibrationsplatte Expired - Lifetime EP1267001B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20010850105 EP1267001B1 (de) 2001-06-14 2001-06-14 Verdichter mit Vibrationsplatte
DE60139985T DE60139985D1 (de) 2001-06-14 2001-06-14 Verdichter mit Vibrationsplatte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20010850105 EP1267001B1 (de) 2001-06-14 2001-06-14 Verdichter mit Vibrationsplatte

Publications (2)

Publication Number Publication Date
EP1267001A1 EP1267001A1 (de) 2002-12-18
EP1267001B1 true EP1267001B1 (de) 2009-09-23

Family

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Family Applications (1)

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EP20010850105 Expired - Lifetime EP1267001B1 (de) 2001-06-14 2001-06-14 Verdichter mit Vibrationsplatte

Country Status (2)

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EP (1) EP1267001B1 (de)
DE (1) DE60139985D1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011115008A1 (de) * 2011-10-06 2013-04-11 Wacker Neuson Produktion GmbH & Co. KG Elektrowerkzeug mit Schutzhaube
WO2022011008A1 (en) 2020-07-07 2022-01-13 Milwaukee Electric Tool Corporation Plate compactor
WO2022010999A1 (en) * 2020-07-07 2022-01-13 Milwaukee Electric Tool Corporation Plate compactor
WO2022011004A1 (en) * 2020-07-07 2022-01-13 Milwaukee Electric Tool Corporation Plate compactor
WO2022035959A1 (en) * 2020-08-11 2022-02-17 Milwaukee Electric Tool Corporation Vibrating screed
US11658546B2 (en) 2019-11-08 2023-05-23 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US11791687B2 (en) 2019-12-23 2023-10-17 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
EP4355953A1 (de) 2021-06-14 2024-04-24 Husqvarna AB Elektrischer verdichter mit batteriesystemredundanz
WO2024126340A1 (en) 2022-12-13 2024-06-20 Husqvarna Ab Construction equipment with improved battery handling
US12040732B2 (en) 2018-08-28 2024-07-16 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US12418220B2 (en) 2019-11-08 2025-09-16 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009004443B4 (de) 2009-01-13 2010-10-21 Wacker Neuson Se Bodenverdichtungsvorrichtung mit in einer Fliehkraftkupplung integriertem Elektromotor
DE102010055632A1 (de) 2010-12-22 2012-06-28 Wacker Neuson Produktion GmbH & Co. KG Bodenverdichtungsvorrichtung mit luftgekühlten Akku
DE102011104269A1 (de) 2011-06-15 2012-12-20 Wacker Neuson Produktion GmbH & Co. KG Führungsdeichsel mit Energiespeicher
DE102011105899A1 (de) * 2011-06-28 2013-01-03 Bomag Gmbh Vorrichtung zur Bodenverdichtung, insbesondere handgeführt, mit elektrischem Antrieb und Verfahren zum Betrieb einer solchen Vorrichtung
DE102012000711A1 (de) 2012-01-16 2013-07-18 Wacker Neuson Produktion GmbH & Co. KG Arbeitsgerät mit schwingungsentkoppeltem Energiespeicher
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
DE102017121177A1 (de) 2017-09-13 2019-03-28 Wacker Neuson Produktion GmbH & Co. KG Bodenverdichtungsvorrichtung
DE102019108923B4 (de) * 2019-04-04 2020-12-03 Ammann Schweiz Ag Bodenverdichtungsgerät mit emissionsfreien Betriebsmodus
DE102019110041A1 (de) * 2019-04-16 2020-10-22 Wacker Neuson Produktion GmbH & Co. KG Handgeführtes Arbeitsgerät mit entkoppeltem Deichselträger
US12139876B2 (en) 2019-12-09 2024-11-12 Husqvarna Ab Compaction machine with electric working assembly
DE102020133340A1 (de) * 2020-12-14 2022-06-15 Wacker Neuson Produktion GmbH & Co. KG Bodenverdichtungsvorrichtung zum Verdichten eines Bodenbereiches

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289490A (en) * 1994-05-20 1995-11-22 Mawsley Machinery Ltd Vibratory compaction apparatus
DE19953553A1 (de) * 1999-11-08 2000-06-21 Joachim Mozdzanowski Bodenverdichter mit stufenlos verstellbarer Schwingungsamplitude

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011115008A1 (de) * 2011-10-06 2013-04-11 Wacker Neuson Produktion GmbH & Co. KG Elektrowerkzeug mit Schutzhaube
US12289073B2 (en) 2018-08-28 2025-04-29 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US12040732B2 (en) 2018-08-28 2024-07-16 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US11658546B2 (en) 2019-11-08 2023-05-23 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US12294249B2 (en) 2019-11-08 2025-05-06 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US12418220B2 (en) 2019-11-08 2025-09-16 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
US11791687B2 (en) 2019-12-23 2023-10-17 Milwaukee Electric Tool Corporation Battery-powered stand-alone motor unit
WO2022011008A1 (en) 2020-07-07 2022-01-13 Milwaukee Electric Tool Corporation Plate compactor
WO2022010999A1 (en) * 2020-07-07 2022-01-13 Milwaukee Electric Tool Corporation Plate compactor
US12065790B2 (en) 2020-07-07 2024-08-20 Milwaukee Electric Tool Corporation Plate compactor
EP4179151A4 (de) * 2020-07-07 2024-09-04 Milwaukee Electric Tool Corporation Plattenverdichter
EP4179152A4 (de) * 2020-07-07 2025-01-15 Milwaukee Electric Tool Corporation Plattenverdichter
US12234613B2 (en) 2020-07-07 2025-02-25 Milwaukee Electric Tool Corporation Plate compactor
US12312752B2 (en) 2020-07-07 2025-05-27 Milwaukee Electric Tool Corporation Plate compactor
WO2022011004A1 (en) * 2020-07-07 2022-01-13 Milwaukee Electric Tool Corporation Plate compactor
US12084873B2 (en) 2020-08-11 2024-09-10 Milwaukee Electric Tool Corporation Vibrating screed
WO2022035959A1 (en) * 2020-08-11 2022-02-17 Milwaukee Electric Tool Corporation Vibrating screed
USD1014570S1 (en) 2020-08-11 2024-02-13 Milwaukee Electric Tool Corporation Concrete screed
EP4355953A1 (de) 2021-06-14 2024-04-24 Husqvarna AB Elektrischer verdichter mit batteriesystemredundanz
WO2024126340A1 (en) 2022-12-13 2024-06-20 Husqvarna Ab Construction equipment with improved battery handling

Also Published As

Publication number Publication date
EP1267001A1 (de) 2002-12-18
DE60139985D1 (de) 2009-11-05

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