EP3165290A1 - Dispositif de production de vibrations et procede d'introduction de profile dans un sol - Google Patents

Dispositif de production de vibrations et procede d'introduction de profile dans un sol Download PDF

Info

Publication number: EP3165290A1
Authority: EP; European Patent Office
Prior art keywords: vibration; elements; vibration generator; unbalance; speed
Prior art date: 2015-11-06
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

EP15193440.3A

Other languages

German (de)

English (en)

Other versions

EP3165290B1 (fr

Inventor

Sebastian Prof. Dr. -Ing. Bauer

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.)

Bauer Maschinen GmbH

Original Assignee

Bauer Maschinen GmbH

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.)

2015-11-06

Filing date

2015-11-06

Publication date

2017-05-10

2015-11-06 Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH

2015-11-06 Priority to EP15193440.3A priority Critical patent/EP3165290B1/fr

2016-07-27 Priority to PCT/EP2016/067919 priority patent/WO2017076525A1/fr

2016-07-27 Priority to CN201680064554.5A priority patent/CN108348960B/zh

2017-05-10 Publication of EP3165290A1 publication Critical patent/EP3165290A1/fr

2021-04-07 Application granted granted Critical

2021-04-07 Publication of EP3165290B1 publication Critical patent/EP3165290B1/fr

Status Active legal-status Critical Current

2035-11-06 Anticipated expiration legal-status Critical

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Classifications

- 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
- B06B1/166—Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase

Definitions

the invention relates to a vibration generator for generating a directional vibration, comprising at least one vibration unit, which has at least a first pair of rotatably mounted first unbalance elements, which can be driven by a first rotary drive at a first speed, according to the preamble of claim 1.
the invention further relates to a method for introducing a pile material in a soil, in which the pile is held on a holding device of a vibration generator, which generates vibrations through which the pile material is driven into the ground, according to the preamble of claim 14th
Vibration generators have long been known in basic engineering, such as for the introduction of sheet piles in a floor.
Such vibration generators which are also called vibrating bears, have rotationally driven unbalance elements. These are usually driven in pairs in opposite directions. As a result, vertically directed force effects can be achieved, while offset by the opposite driving lateral forces against each other. In these conventional vibrators for driving a pile material into the ground an additional static load is necessary.
Vibrators are known which are designed for a directed swing and need no additional load. These known vibration generators for a directional vibration have unbalance elements with different imbalances. The unbalance elements with smaller imbalances are driven by a multiple faster rotating, as the unbalance elements with the larger imbalances. By the overlay each of the sinusoidal waveforms, which have a different period, a pronounced force effect can be generated preferably down. The different speeds are achieved in that the unbalance elements mesh with each other via gears with different numbers of teeth and are driven in rotation by a rotary drive.
the invention has for its object to provide a vibration generator and a method for introducing a Rammgutes in a soil, with which a particularly efficient and gentle operation is possible.
the vibration generator according to the invention is characterized in that the vibration unit has at least one second pair of rotatably mounted second unbalance elements, which is mechanically decoupled from the first, that the second A pair of second unbalance elements of a second rotary drive at a second speed is rotationally driven, which is different from the first speed of the first unbalance elements, and that a control unit is provided, with which the rotational speeds of the two rotary drives electrically and / or hydraulically mutually variable and tunable are.
a basic idea of the invention is to provide at least two mutually mechanically decoupled pairs of imbalance elements in the case of a vibration generator for generating a directed vibration. These are each driven in rotation by at least one own rotary drive. A mechanical coupling by intermeshing gears between the two imbalance pairs is not provided. Rather, there is a vote of the speeds to each other on electrical and / or hydraulic ways via a control unit.
the term of an electrical control unit is to be interpreted broadly and also includes electronic control components. With this control unit and the drive-related decoupling of the at least two pairs of unbalance elements, the respective rotational speeds can be set differently. In this way, passing through critical frequency ranges can be avoided or at least considerably shortened.
a preferred embodiment of the invention is that the second speed of the second unbalance elements is a multiple of the first speed of the first unbalance elements.
the two sinusoids of the rotating imbalance elements can be superimposed, wherein the period of the sinusoidal waveform of the first imbalance elements is a multiple of the period of the sinusoidal waveform of the second imbalance elements.
a directed vibration can be generated by this superimposition.
the maximum of the superimposed vibration is directed downward.
a pronounced upward force can be generated when pulling the pile.
the driving of pile material can be carried out basically without additional load or tensile force. According to the invention, however, it is not excluded that in addition to the directional vibration via a corresponding Pressure and traction device an additional force is exerted on the vibrator and thus on the Rammgut.
the vibration generator can be formed from two or more differently constructed vibration units.
only one vibration unit can be provided with first and second unbalance elements, while a second vibration unit is provided only with equal unbalance elements.
two or more vibration units are arranged, which are controlled by a common control unit.
a preferred embodiment of the invention may consist in that the first oscillation unit is designed the same as the second oscillation unit.
the two or more vibration units have the same structure with first and second unbalance elements.
the first unbalance elements have a first imbalance and thus a first static moment, which differ from a second imbalance and a corresponding second static moment of the second imbalance elements.
control unit is connected to at least one first sensor device, by which the first speed of the first unbalance elements and / or the second speed of the second unbalance elements can be determined.
the term control unit in the sense of the invention is to be understood generally and may also include rules.
the sensor device may in particular be an optical, inductive, capacitive or other rotary transducer.
each vibration unit can be provided with one or more sensor devices.
a particularly simple embodiment is given by the fact that a sensor device is provided only on a vibration unit.
control unit is in communication with the first rotary drive and / or the second rotary drive, wherein the control unit, the first speed and / or the second speed is adjustable and variable.
the rotary actuators may be electric drives or preferably hydraulic drives. An operator can thus set a suitable speed on the rotary actuators. The speed can also be done automatically or semi-automatically by a program selection.
the control unit can for this purpose have a corresponding database in which appropriate control programs and speed specifications are stored.
each oscillation unit can have more than two rotary drives.
a vibration unit has two individual rotary drives.
At least one phase adjustment is provided, with which a rotational position of the unbalance elements is mutually variable. This is particularly advantageous when a plurality of pairs of unbalance elements are provided in a vibration unit.
the adjusting device has an adjusting motor, which is controllable by the control unit.
the control unit may be an electric motor or a hydraulic motor.
control unit is connected to at least one second sensor device, by which a phase angle of the unbalance elements of a vibration unit can be determined. It can also optical, inductive, capacitive or other sensors for determining the respective rotational position of the unbalance elements to each other can be provided.
unbalance elements of a vibration unit can be arranged together in a housing or on a carrier element.
first pair of first unbalance elements in a first housing and the second pair of second unbalance elements are arranged in a second housing.
the housings are formed separately from each other.
the bearings of one or more housings may have damping elements.
a connecting device is provided, with which the first housing and the second housing can be connected to one another.
the two pairs can be separated.
a pair of oscillations would vibrate virtually free or be connected only by a soft spring with the other pair of vibration.
the releasable and operable connection means such as by manually or hydraulically actuated locking bolts
the housings or vibration pairs are rigidly connected together.
a connection by means of hydraulic cylinders and a connection can be provided by a toggle mechanism.
an elastic damping element can be compressed between the two housings, so that the two housings do not hit each other.
Such a damping element arranged between the vibration units would thus absorb energy only during a short phase.
the pairs of oscillations would not yet touch, in the connected state the damping element would be compressed and the housings with the pairs of unbalance elements arranged therein would be in direct contact.
a particularly simple construction is achieved according to a further embodiment of the invention in that, for generating a directed oscillation, the first imbalance elements are designed differently from the second imbalance elements.
the second oscillation unit can be designed as a simple unit or a simple vibrator, which can not generate a directed oscillation.
the first oscillation unit with first unbalance elements and second unbalance elements would be formed.
the third unbalance elements in the second vibration unit may be the same or different from the first unbalance elements.
the invention further relates to a construction machine with a carrier device and a mast, along which a vibration generator is mounted substantially vertically movable.
a vibration generator is provided, as previously described.
the construction machine is in particular a so-called vibrator, as it is used in basic engineering and is basically known.
the inventive method for introducing a pile material in a soil is characterized in that the vibrations are generated with a vibrator, as described above.
a change in the rotational speeds of the two pairs of vibrations performed to each other and so the speeds are matched.
the change in the vote can be made depending on the type of soil and / or the task, such as a driving or pulling the pile.
the speed adjustment and speed change can, in particular in a run-up of the vibrator, carried out automatically or semi-automatically by the control unit according to stored control programs.
a preferred embodiment of the method according to the invention can be seen in that the pile is a pile, a carrier or a sheet pile.
FIGS. 1 and 2 an oscillation generator 10 according to the invention with a vibration unit 20 is shown.
the vibration unit 20 has a lower box-shaped first housing 21 a with three first unbalance elements 22, each having a first shaft 23.
Each first shaft 23 of the identically constructed, first unbalance elements 22 comprises a first imbalance 24, a first drive gear 25 and a spaced apart Phasenverstell gear 26.
a torque from a lower first rotary drive 27 is from a central first unbalance element 22 on the two other adjacent first unbalance elements 22 are transmitted by means of the first drive gears 25 meshing with each other.
a rotational position of the first unbalance elements 22 can be changed by means of a first phase adjustment device 28 with an adjusting motor 29.
the change in the rotational position is effected via the meshing first adjusting gears 26.
two second unbalance elements 32 are arranged in an upper cuboid second housing 21 b.
the second unbalance elements 32 also each have a second shaft 33, a second imbalance 34, a second drive gear 35 and a second phasing gear 36.
a drive is effected via an upper second rotary drive 37 on the second unbalance elements 32.
a phase adjustment is achieved via a second phase adjustment device 38 with a second adjusting motor 39.
the first unbalance elements 22 and the second unbalance elements 32 are separated and mechanically decoupled with respect to the torque drive.
the lower first housing 21 a and the upper second housing 21 b which are each box-shaped, are coupled to each other via a releasable connection means 50.
the connecting device 50 is formed in the embodiment shown as a bolt connection.
a tuning and changing the rotational speeds of the imbalance elements in the vibration unit 20 by means of a central control unit 60 which may in particular comprise a computer unit.
the control unit 60 receives a speed and / or a rotational position of the first unbalance elements 22 via a first sensor device 66 and a rotational speed and / or rotational position of the second unbalance elements 32 of the vibration unit 20 via a second sensor device 68, and controls their rotary drives 27, 37.
the control unit 60 correspondingly controls a first hydraulic pump 62, which in particular supplies the lower second rotary drive 47, and a second hydraulic pump 64, which in particular operates the upper second rotary drive.
the control can take place equal or even multiple rotational speeds of the second unbalance elements 32 to the rotational speeds of the first unbalance elements 22 are achieved.
first adjusting motor 29 and the second adjusting motor 39 can be actuated via the control unit 60 via control lines, not shown, wherein a defined rotational position is set for the respective unbalance elements 22, 32.
all drives and control elements of the vibration unit 20 are connected to the control unit 60 and can be controlled and adjusted accordingly.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Apparatuses For Generation Of Mechanical Vibrations (AREA)
Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

EP15193440.3A 2015-11-06 2015-11-06 Dispositif de production de vibrations et procede d'introduction de profile dans un sol Active EP3165290B1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
EP15193440.3A EP3165290B1 (fr)	2015-11-06	2015-11-06	Dispositif de production de vibrations et procede d'introduction de profile dans un sol
PCT/EP2016/067919 WO2017076525A1 (fr)	2015-11-06	2016-07-27	Générateur de vibrations et procédé d'introduction d'un objet à battre dans le sol
CN201680064554.5A CN108348960B (zh)	2015-11-06	2016-07-27	振动发生器和用于将打桩体引入到土壤中的方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP15193440.3A EP3165290B1 (fr)	2015-11-06	2015-11-06	Dispositif de production de vibrations et procede d'introduction de profile dans un sol

Publications (2)

Publication Number	Publication Date
EP3165290A1 true EP3165290A1 (fr)	2017-05-10
EP3165290B1 EP3165290B1 (fr)	2021-04-07

Family

ID=54477903

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15193440.3A Active EP3165290B1 (fr)	2015-11-06	2015-11-06	Dispositif de production de vibrations et procede d'introduction de profile dans un sol

Country Status (3)

Country	Link
EP (1)	EP3165290B1 (fr)
CN (1)	CN108348960B (fr)
WO (1)	WO2017076525A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2020224918A1 (fr) *	2019-05-08	2020-11-12	Liebherr-Components Biberach Gmbh	Générateur de vibrations ainsi qu'engin de chantier comportant un tel générateur de vibrations

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202018100511U1 (de) *	2018-01-30	2019-05-03	Liebherr-Werk Nenzing Gmbh	Hydraulischer Rüttlerantrieb sowie ein Ramm- und/oder Bohrgerät mit einem hydraulischen Rüttlerantrieb

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5911280A (en) *	1994-07-21	1999-06-15	Gedib Ingenieurburo Und Innovationsberatung Gmbh	Apparatus and method for reducing transverse vibrations in unbalanced-mass vibrators
US5984107A (en) *	1996-08-07	1999-11-16	Svedala Gfa Aufbereitungs-Maschinen Gmbh & Co. Kg	Vibratory drive for a screening machine
EP1481739A1 (fr) *	2003-05-30	2004-12-01	Kandt Special Crane Equipment B.V.	Un vibrateur avec deux paires de deux poids excentrés
EP2105214A1 (fr)	2008-03-28	2009-09-30	ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH	Dispositif de production de vibrations
US20090241704A1 (en) *	2008-03-28	2009-10-01	Abi Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik Und Vertriebsgesellschaft Mbh	Vibration generator
EP2158976B1 (fr)	2008-08-27	2013-08-14	ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH	Dispositif de production de vibrations
EP2789402A1 (fr) *	2013-04-10	2014-10-15	ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH	Accélérateur d'oscillations

Family Cites Families (2)

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Publication number	Priority date	Publication date	Assignee	Title
FR2311596A1 (fr) *	1975-04-23	1976-12-17	Procedes Tech Const	Perfectionnement aux appareils d'enfoncement ou d'arrachage dits vibrofonceurs
EP2781269A1 (fr) *	2013-03-20	2014-09-24	Eurodrill GmbH	Générateur de vibrations, notamment pour une machine de construction

2015
- 2015-11-06 EP EP15193440.3A patent/EP3165290B1/fr active Active
2016
- 2016-07-27 WO PCT/EP2016/067919 patent/WO2017076525A1/fr not_active Ceased
- 2016-07-27 CN CN201680064554.5A patent/CN108348960B/zh not_active Expired - Fee Related

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5911280A (en) *	1994-07-21	1999-06-15	Gedib Ingenieurburo Und Innovationsberatung Gmbh	Apparatus and method for reducing transverse vibrations in unbalanced-mass vibrators
US5984107A (en) *	1996-08-07	1999-11-16	Svedala Gfa Aufbereitungs-Maschinen Gmbh & Co. Kg	Vibratory drive for a screening machine
EP1481739A1 (fr) *	2003-05-30	2004-12-01	Kandt Special Crane Equipment B.V.	Un vibrateur avec deux paires de deux poids excentrés
EP2105214A1 (fr)	2008-03-28	2009-09-30	ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH	Dispositif de production de vibrations
US20090241704A1 (en) *	2008-03-28	2009-10-01	Abi Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik Und Vertriebsgesellschaft Mbh	Vibration generator
EP2158976B1 (fr)	2008-08-27	2013-08-14	ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH	Dispositif de production de vibrations
EP2789402A1 (fr) *	2013-04-10	2014-10-15	ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH	Accélérateur d'oscillations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2020224918A1 (fr) *	2019-05-08	2020-11-12	Liebherr-Components Biberach Gmbh	Générateur de vibrations ainsi qu'engin de chantier comportant un tel générateur de vibrations
US12172190B2 (en)	2019-05-08	2024-12-24	Liebherr-Components Biberach Gmbh	Vibration generator and construction machine having such a vibration generator

Also Published As

Publication number	Publication date
CN108348960B (zh)	2020-09-04
WO2017076525A1 (fr)	2017-05-11
CN108348960A (zh)	2018-07-31
EP3165290B1 (fr)	2021-04-07

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