EP3934816A1 - Schwingungserzeuger sowie baumaschine mit einem solchen schwingungserzeuger - Google Patents
Schwingungserzeuger sowie baumaschine mit einem solchen schwingungserzeugerInfo
- Publication number
- EP3934816A1 EP3934816A1 EP20719402.8A EP20719402A EP3934816A1 EP 3934816 A1 EP3934816 A1 EP 3934816A1 EP 20719402 A EP20719402 A EP 20719402A EP 3934816 A1 EP3934816 A1 EP 3934816A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unbalance
- vibration generator
- strand
- strands
- generator according
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000010363 phase shift Effects 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
-
- 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
- B06B1/167—Orbital vibrators having masses being driven by planetary gearings, rotating cranks or the like
-
- 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
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
Definitions
- the present invention relates to a vibration generator for pile drivers, soil compactors or other construction machines, with at least two unbalance strands, each comprising unbalances that can be driven in rotation by a drive device, and an adjustment device for adjusting the phase position of the rotating unbalances relative to one another.
- Such vibration generators can be compacted in construction, for example for piling equipment or soil compactors, in order to generate directed vibrations, by means of which, for example, sheet piling can be rammed into the ground, vibrating plug columns can be introduced into the ground or the soil can be compacted or leveled. If necessary, the soil can also be prepared in order to facilitate the driving in or pulling out of sheet piles or other construction elements such as piles and the like.
- the vibration-generating exciter cell of such vibrators can be attached to a movable draw yoke of a special civil engineering machine such as drilling and / or pile-driving equipment, leaders or rope excavators, by means of which the vibrator unit can usually be moved in an upright direction.
- a mechanical adjustment device can be used to synchronize or neutralize the forces of two unbalance strands.
- such an adjusting device can comprise a planetary gear that comprises two output strands that can be adjusted relative to one another by an adjustable input strand to which, for example, an actuating cylinder can be connected, so that unbalances connected to the output strands of the planetary gear can also be adjusted in their phase position in order to synchronize or neutralize their forces.
- phase shift of the forces of the various unbalance strands by a variably adjustable Phase shift can be varied in order to influence the excitation of the soil can. It can be particularly advantageous if a sine oscillation can be superimposed with a cosine oscillation, as a result of which the soil can be better placed in a pseudo-liquid state. If the phase shift of the forces is variably adjustable, the
- the vibration characteristic of the vibrator or the exciter cell can be adapted to the individual case and matched to the respective soil.
- the document EP 21 58 976 B1 describes such a vibration generator in which the phase shift between the imbalances can be changed during operation.
- the vibration generator comprises several shaft groups with imbalances attached to them, which are arranged above or below one another so that the vertical forces can add up or compensate one another.
- One shaft group can be driven at a speed which is an integral multiple of the speed of the other shaft group, with the
- Phase shifter for setting the phase offset comprises a rotary vane swivel motor, the swivel motor shaft with one unbalance group and the swivel motor housing with another
- Shaft group is connected to change the phase position by changing the rotational position of the swivel motor housing relative to the swivel motor shaft.
- this known vibration generator is relatively bulky in terms of its size and tends to generate unwanted transverse forces or tumbling movements if an unfavorable phase offset is set.
- it is not very easy to move the rotary vane swivel motor into the desired rotary position and to hold it in this position.
- the present invention is based on the object of creating an improved vibration generator of the type mentioned at the outset, which avoids the disadvantages of the prior art and further develops the latter in an advantageous manner.
- any phase adjustment should be easy with a compact design be adjustable in order to be able to adapt the vibration characteristic to suit different soil conditions.
- the imbalance groups rotating at different speeds no longer or no longer just be stacked on top of one another and one below the other, but also to be arranged coaxially with one another so that imbalances running at different speeds and / or directions of rotation rotate on the same axis.
- the imbalances of different imbalance strands are arranged coaxially to one another without a fixed transmission ratio, the imbalances of a first imbalance strand being arranged between the imbalances of a second imbalance strand which are coaxial therewith and the drive device is designed to drive the imbalance strands with mutually variable speed differences.
- coaxial unbalances can run at different speeds and their speeds can be changed relative to one another.
- the arrangement of the first unbalance strand between the coaxial unbalances of the second drive train not only achieves a compact size, but also improves the balance of the unbalances, so that the vibration generator remains balanced even with different phase shifts.
- the second unbalance strand into two sub-strands or branch branches that flank the first unbalance strand on the right and left, it is possible to operate only one of the imbalance strands mentioned, while the other unbalance strand is stopped without the exciter cell becoming unbalanced would.
- the speed difference between the unbalances of the first unbalance strand and the unbalances of the second unbalance strand can be varied as desired in order to adapt the characteristic curve of the vibration generator to the respective soil conditions, with the exciter cell as a whole remaining in equilibrium regardless of the respective set speed difference.
- the speed set for one unbalance group or one unbalance strand can be a multiple of the speed of the other unbalance strand.
- the speed ratio can also be set in such a way that one unbalanced strand generates a sinusoidal oscillation and the other unbalanced strand generates a cosine oscillation, which are superimposed on one another.
- the first imbalance strand the imbalances of which are arranged between the imbalances of the second imbalance strand arranged coaxially to it, can itself also be split into two sub-strands or branch branches and comprise imbalances arranged in pairs next to one another, both of which are between the imbalances of the second drive train are arranged.
- four unbalances can be arranged coaxially to one another, two of which belong to the first unbalance strand and two of which belong to the second unbalanced strand, which first and second unbalanced strand can be driven at mutually different speeds.
- the four coaxial imbalances mentioned can be driven in pairs at the same speeds, the two inner imbalances can be driven at the same speed and the two outer imbalances can be driven at the same speed, the speed of the outer imbalances being opposite the rotational speed of the two inner unbalances can advantageously be varied as desired, in particular continuously, in order to be able to set different phase shifts.
- the external imbalances can rotate at a speed that corresponds to the speed of the corresponds to internal imbalances or is a multiple of the speed of the internal imbalances or is a fraction of the speed of the internal imbalances.
- each of the four imbalances can also be varied relative to one another and / or the speed of the inner imbalances can be varied relative to one another, so that, for example, an inner imbalance runs faster than the other inner imbalance, and / or alternatively one of the outer imbalances runs faster than the other external imbalance.
- the aforementioned planetary gear can be omitted and the adjustment of the unbalance can be done by the drive motors, the speeds of which can be adjusted and / or regulated.
- a regulating device or a regulator can control said drive motors and coordinate their speeds with one another in the desired manner.
- a forced coupling between the unbalances and their speeds in particular in the form of a gear stage of a mechanical forced coupling stage, can be omitted. For example, a ratio of -1 can be provided between the output shafts.
- the drive device for the various unbalanced strands can have separate drive motors which can be controlled individually by a control device in order to be able to set the desired speed difference.
- at least three, preferably four drive motors can be provided, each drive motor of which drives an unbalanced strand or branch of unbalances assigned to it.
- two drive motors can be provided, of which each drive motor drives one of the branch branches of the first unbalanced strand and one of the outer branch branches of the aforementioned second unbalanced strand.
- two drive motors can be provided by each of which drives one of the branches of the aforementioned first unbalance strand, which is positioned in the middle or between the unbalances of the second unbalance strand and one branch of the further unbalance strand.
- At least one drive can be provided in both lines, whereby the lines can be connected to one another and / or coupled in such a way that they have the same speed by means of a gear or a coupling, in particular the aforementioned planetary gear. Except for the adjustment, the aforementioned strands also work independently of one another.
- the control device for controlling the drive motors can advantageously comprise an adjustable speed difference transmitter for the variable setting of different speed differences between the unbalanced lines.
- a speed difference transmitter makes it possible in a simple manner to vary the speed differences between the unbalanced strands in order to be able to adapt the vibration characteristic to the ground conditions.
- said control device can include speed controllers for regulating the speeds of the various drive motors and thus the speeds of the unbalanced strands as a function of a detected actual speed and a variably predeterminable setpoint speed.
- a desired speed difference can also be set variably by braking at least one of the unbalance groups by a braking device.
- the drive device can have a braking device for braking at least one of the imbalance strands, preferably for braking both, ie the aforementioned first and second imbalance strands, in order to generate a desired phase offset.
- the mentioned unbalance group can be braked a little by the braking device.
- each of the two unbalance strands can be braked independently of one another in order to be able to set the phase offset differently, in particular to be able to adjust it.
- Said braking device can comprise two braking units, each of which is arranged in a stationary manner on the one hand and is rotatably connected to one of the unbalance strands on the other.
- a speed sensor can be assigned to each of the unbalance strands, which detects the actual speed of the respective unbalances and / or the drive shafts or gears assigned to them and reports it back to the control device, so that the control device controls the drive motors accordingly and / or can actuate the braking device accordingly in order to be able to set the desired speed and / or the desired phase offset.
- the mechanical adjusting device for adjusting the phase position of the unbalances relative to one another can comprise a planetary gear, which is advantageously designed in at least two stages to determine the phase position of the unbalances of one unbalance strand with one planetary stage and the phase position of the unbalances of the other unbalance strand with the other planetary stage to be able to adjust.
- said planetary gear can comprise at least four output strands and an adjustment input strand for adjusting the phase position of the output strands relative to one another.
- the phase-adjustable imbalances of the first unbalance strand can be connected to two of the four output strands mentioned, and the phase-adjustable unbalances of the second unbalance strand can be connected to two more of the planetary gear output strands.
- the four output strands mentioned can emanate from a common, two-stage planetary carrier which is connected to the adjusting input strand and can be adjusted by the adjusting input strand.
- the mutually phase-adjustable unbalances of the aforementioned first unbalance strand can advantageously be connected on the one hand to a sun gear and on the other hand to a ring gear of a first planetary gear stage, while the mutually phase-adjustable unbalances of the above-mentioned second unbalance strand can be connected on the one hand to a sun gear and on the other hand to a ring gear of a second planetary gear stage could be.
- the two planetary gear stages can be connected by the common, two-stage and adjustable planet carrier, so that both the phase position of the unbalances of the first unbalance train and the phase position of the unbalances of the second unbalance train can be adjusted by adjusting the said planet carrier.
- each stage of the named common planet carrier is only connected to one unbalanced line.
- Said adjustment input train of the planetary gear can be actuated by a suitable adjustment drive, for example moved back and forth between two end positions by a pressure cylinder.
- the two end positions can advantageously be defined or limited by stops in such a way that in a first position the unbalances rotate in a synchronized manner with one another and generate forces in the same direction, while the unbalances compensate one another in a second end position.
- intermediate positions can also be set by the adjustment drive in order to be able to set different strengths of the vibrations.
- said planetary gear can be arranged on one side of the unbalance lines, while the drive motors for driving the rotating unbalances can be arranged on a common side of the unbalance lines opposite the planetary gear.
- two drive motors can be arranged on one side and two further drive motors on an opposite side of a center plane, which center plane can contain the axis of rotation of the aforementioned planet carrier of the planetary gear.
- Fig. 1 a drive circuit diagram of the vibration generator according to an advantageous embodiment of the invention, the coaxial arrangement of the imbalances of different imbalance strands, the connection of the imbalance strands to a planetary gear for adjusting the phase position of the imbalances, the arrangement of the drive motors and the arrangement of a braking device for setting a Phase offset are shown,
- FIG. 2 an enlarged detailed view of the planetary gear and the braking device of the vibration generator from FIG. 1,
- FIG. 4 a perspective rear view of the coaxially arranged unbalances of the vibration generator from the previous figures, with how In Fig. 3, the braking device, which is shown in Figures 1 and 2, has been omitted for the sake of clarity.
- the vibration generator 10 can have an exciter cell 20 with a plurality of exciter cell shafts or axes which are aligned parallel to one another, preferably lying horizontally, which are accommodated in an exciter cell housing 3 and are rotatably mounted.
- the mentioned exciter cell waves are advantageously arranged one above the other in a common, upright plane, cf. FIGS. 3 and 4.
- a plurality of imbalances are arranged on at least some of the mentioned exciter cell shafts or axes, which rotate about the respective axes.
- all exciter cell shafts or axes with the exception of one exciter cell shaft 6, which is used to adjust the phase position, carry imbalances, wherein said exciter cell shaft 6 without imbalances can advantageously be arranged in the center and are in rolling engagement with at least two adjacent exciter cell shafts 5 and 7 by means of spur gears can.
- each of the exciter cell shafts 4, 5 and 7, 8 can each carry at least four unbalances 1.1, 1.2, 2.2 and 2.1, so that four unbalances are arranged coaxially with one another.
- the four or more imbalances 1.1, 1.2, 2.1 and 2.2 which are arranged coaxially to one another on an exciter cell shaft 4, 5, 7 or 8 are each arranged without a fixed transmission ratio and can accordingly with Different speeds, ie speeds that differ from one another relatively, are driven, in particular it can be provided that one unbalanced strand can rotate at a speed which can be a multiple of the speed of another unbalanced strand.
- the two speed strands S1.1 and S1.2 can rotate at twice the speed of the unbalance strand 2.1 and 2.2, although other speed ratios can also be set by setting or changing the speeds.
- one of the spur gears or one of the imbalances can also be non-rotatably connected to the respective exciter cell shaft 4, 5, 7 or 8 in order to simplify the drive or the connection of the drive motor.
- FIG. 1 shows, four drive motors MS1.1, MS2.1, MS1.2 and MS2.2 can advantageously be provided, which are each assigned to one of the imbalance strands and can be controlled independently of one another.
- the motor MS1.1 drives all the imbalances or the spur gears of the imbalance strand S1.1 connected to them in a rotationally fixed manner, the rotational movement of the said motor being initiated into the exciter cell shaft 4 and then via the spur gears 9 in rolling engagement with one another on the imbalances of the other exciter cell shafts or axes stored imbalances can be transmitted.
- the drive motor MS2.1 drives the imbalances in the imbalance strand S2.1, it being possible for said motor MS2.1 to be coupled to the exciter cell shaft 5.
- the drive motor MS1.2 can drive the exciter cell shaft 7, which drives the unbalances 1.2 of the unbalance strand S1.2 via the corresponding spur gears 9.
- the further drive motor MS2.2 can finally be arranged on the fourth unbalance shaft 8 and drive the unbalances 2.2 of the unbalanced strand S2.2, cf. Fig. 1.
- FIG. 1 shows, the two branch branches S2.2 and S2.1, which belong to a first unbalance strand 2, are arranged centrally between the branch branches S1.1 and S1.2 which belong to a second unbalanced strand 1.
- the unbalances 2.1 and 2.2 of said branches of the first unbalance strand 2 are arranged between the unbalances 1.1 and 1.2 of the second unbalance strand 1, which are coaxial therewith. This applies to each of the exciter cell shafts 4, 5, 7 and 8, which each carry imbalances.
- the adjusting device 11 which can comprise a planetary gear 12, cf. Fig. 1.
- Said planetary gear 12 can advantageously have at least four output strands 13, 14 and 15, 16 which are each coupled to one of the exciter cell shafts 4, 5, 7, 8 or to one of the unbalance strands 1 and 2 or one of the branch branches S1.
- 1, S1.2, S2.1 and S2.2 are coupled so that the phase position of the unbalanced strands or branch branches 1.1, 1.2, 2.1 and 2.2 are set relative to one another by relative rotation of the aforementioned output strands 13, 14, 15, 16 relative to one another can.
- said planetary gear 12 can advantageously have two planetary gear stages 17 and 18, of which a first planetary gear stage 17 is coupled on the output side to the branch branches S2.2 and S2.1 of the first unbalanced strand 2.
- a second planetary gear stage 18 is, however, coupled on the output side to the branch branches S1.1 and S1.2 of the second unbalance train 1.
- the two planetary gear stages 17 and 18 can advantageously be connected to one another via a common, two-stage planetary carrier 19 which carries the planet gears of both the first planetary gear stage 17 and the planet gears of the second planetary gear stage 18.
- the output strands 13 and 14 of the first planetary gear stage 17 can be formed on the one hand by its sun gear and on the other hand by its ring gear or be connected to its sun gear and its ring gear.
- the output strands 15 and 16 of the second planetary gear stage 18 can also be formed by their sun gear and their ring gear or connected thereto.
- the first planetary gear stage 17 can advantageously be connected with its sun gear in a rotationally fixed manner to the branch 2.2 of the first unbalanced strand 2 and via its ring gear to the branch 2.1 of the first unbalanced strand 2.
- the second planetary gear stage 18 can be coupled with its sun gear to the branch S1.1 of the second unbalanced strand 1 and via its ring gear to the strand S1.2 of the second unbalanced strand 1.
- the planetary gear 12 can be connected to an adjustment drive 21, by means of which the named common planet carrier 19 can be adjusted.
- Said adjusting drive 21 can for example be a hydraulic cylinder, as shown in FIG. 4, in order to be able to rotate or adjust the planetary carrier 19 back and forth between two end positions. With appropriate control of the adjusting drive 21, intermediate positions can also be approached, if necessary.
- the imbalances of the imbalance strands 1 and 2 more precisely their branch branches S1.1, S2.2, S2.1 and S1.1 can be adjusted relative to each other in their phase position to the generated imbalance forces to synchronize with each other or to compensate and / or to be able to make intermediate positions for adjusting the vibration force.
- the unbalance strands 1 and 2 can advantageously each have their own rotational speeds can be set, in particular between the unbalanced strands, any speed difference can be set, preferably steplessly, in order to adapt the vibration characteristic of the vibration generator 10 to the respective conditions, in particular soil conditions.
- the speed difference can be set in various ways.
- the drive device 22 comprising the named drive motors MS1.1, MS1.2, MS2.1 and MS2.2 can comprise a control device 23 by means of which the speeds of the named drive motors can be set individually.
- Said control device 21 can be designed electronically in order to control the engine speed.
- the control device 21 comprises a speed difference transmitter 24, by means of which the desired speed difference between the respective unbalanced strands can be set.
- control device 23 can comprise a speed controller 25 for regulating the speeds of the mentioned drive motors MS1.1, MS1.2, MS2.1 and MS2.2, which speed controller 25 the speed of the respective drive motor or the imbalance group driven by it as a function of a sensor recorded actual speed and a variably predefinable target speed.
- the actual speed can advantageously be detected by means of a contactless speed sensor 26.
- Said speed sensors 26 can, for example, be proximity sensors that work without contact and that detect the cyclical approach of the unbalances.
- differently designed speed sensors 26 can also be provided which, for example, detect the speed of the assigned spur gears in a tactile or non-contact manner, which are connected to the unbalances in a rotationally fixed manner.
- speed sensors can also be assigned to the drive motors themselves.
- a desired Speed difference can also be set via a braking device 27, which can advantageously comprise two braking units 28 and 29, in order to brake the first unbalance strand 2 on the one hand and the second unbalance strand 1 on the other.
- said braking device 27 can advantageously be arranged on the side of the planetary gear 12 and / or combined with the planetary gear 12 to form an assembly and / or connected between the planetary gear 12 and the exciter cell shafts.
- the brake units 28 and 29 can on the one hand each have a fixed assembly which can act, for example, on the planetary gear housing and / or on the exciter cell housing.
- a running brake assembly of the first brake unit 28 can brake the exciter cell shaft 5 and / or the drive motor MS2.1 and / or the imbalances or the spur gears of the branch S2.1 of the first imbalance strand 2, while the running brake elements of the second brake unit 29 brake the exciter cell shaft 4 and / or the motor MS1.1 and / or the imbalances or the associated spur gears of the branch S1.1 of the second unbalance strand 1, cf.
- the braking device 27 is activated by the aforementioned control device 21 in order to set the desired speed differences between the imbalance strands.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019111935 | 2019-05-08 | ||
DE102019113947.3A DE102019113947A1 (de) | 2019-05-08 | 2019-05-24 | Schwingungserzeuger sowie Baumaschine mit einem solchen Schwingungserzeuger |
PCT/EP2020/060442 WO2020224918A1 (de) | 2019-05-08 | 2020-04-14 | Schwingungserzeuger sowie baumaschine mit einem solchen schwingungserzeuger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3934816A1 true EP3934816A1 (de) | 2022-01-12 |
EP3934816B1 EP3934816B1 (de) | 2023-06-14 |
Family
ID=72943491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20719402.8A Active EP3934816B1 (de) | 2019-05-08 | 2020-04-14 | Schwingungserzeuger sowie baumaschine mit einem solchen schwingungserzeuger |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220055070A1 (de) |
EP (1) | EP3934816B1 (de) |
JP (1) | JP2022531903A (de) |
CN (1) | CN114072244B (de) |
DE (1) | DE102019113947A1 (de) |
WO (1) | WO2020224918A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114827850A (zh) * | 2022-05-31 | 2022-07-29 | 歌尔股份有限公司 | 驱动激励器和电子设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2932287A1 (de) * | 1979-08-09 | 1981-02-12 | Delmag Maschinenfabrik | Vibrationsbaer zum rammen und/oder ziehen von rammkoerpern |
DE19529115A1 (de) * | 1995-08-08 | 1997-03-06 | Wacker Werke Kg | Vibrationsmechanismus, insbesondere zur Verwendung zur Verdichtung von Böden |
DE19631991B4 (de) * | 1996-08-08 | 2005-02-24 | Abi Maschinenfabrik Und Vertriebsgesellschaft Mbh | Vibrator, insbesondere für einen Vibrationsbären |
EP2105214B1 (de) * | 2008-03-28 | 2018-09-12 | ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH | Schwingungserzeuger |
EP2158976B1 (de) * | 2008-08-27 | 2013-08-14 | ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH | Schwingungserzeuger |
DE102012201443A1 (de) * | 2012-02-01 | 2013-08-01 | Hamm Ag | Verdichterwalze für einen Bodenverdichter |
CN104285011A (zh) * | 2012-03-15 | 2015-01-14 | 艾丁·奥兹坎 | 可变力矩的无共振振动锤 |
EP2789402B1 (de) * | 2013-04-10 | 2017-05-17 | ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH | Schwingungserreger |
DE102013020690A1 (de) * | 2013-12-03 | 2015-06-03 | Bomag Gmbh | Schwingungserreger für einen Vibrationsverdichter sowie Baumaschine mit einem solchen Schwingungserreger |
DE202015003475U1 (de) * | 2015-02-11 | 2016-05-12 | Liebherr-Components Biberach Gmbh | Rüttler |
EP3165290B1 (de) * | 2015-11-06 | 2021-04-07 | BAUER Maschinen GmbH | Schwingungserzeuger und verfahren zum einbringen eines rammgutes in einen boden |
-
2019
- 2019-05-24 DE DE102019113947.3A patent/DE102019113947A1/de active Pending
-
2020
- 2020-04-14 CN CN202080031836.1A patent/CN114072244B/zh active Active
- 2020-04-14 JP JP2021566191A patent/JP2022531903A/ja active Pending
- 2020-04-14 EP EP20719402.8A patent/EP3934816B1/de active Active
- 2020-04-14 WO PCT/EP2020/060442 patent/WO2020224918A1/de unknown
-
2021
- 2021-11-08 US US17/454,034 patent/US20220055070A1/en active Pending
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CN114072244A (zh) | 2022-02-18 |
US20220055070A1 (en) | 2022-02-24 |
EP3934816B1 (de) | 2023-06-14 |
CN114072244B (zh) | 2023-03-28 |
JP2022531903A (ja) | 2022-07-12 |
DE102019113947A1 (de) | 2020-11-12 |
WO2020224918A1 (de) | 2020-11-12 |
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