EP3576890A1 - Schwingungserzeuger und verfahren zum erzeugen von schwingungen - Google Patents
Schwingungserzeuger und verfahren zum erzeugen von schwingungenInfo
- Publication number
- EP3576890A1 EP3576890A1 EP18703701.5A EP18703701A EP3576890A1 EP 3576890 A1 EP3576890 A1 EP 3576890A1 EP 18703701 A EP18703701 A EP 18703701A EP 3576890 A1 EP3576890 A1 EP 3576890A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- imbalance
- shaft
- drive
- vibration generator
- shafts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 238000010276 construction Methods 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000012530 fluid Substances 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
-
- 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
Definitions
- the invention relates to a vibration generator with a first rotationally driven imbalance shaft, on which a first imbalance is arranged, at least one second rotationally driven imbalance shaft, on which a second imbalance is arranged, a common drive for rotationally driving the two unbalanced shafts and a gear arrangement, which between the drive and the imbalance shafts for transmitting a torque of the drive is arranged on the imbalance shafts, according to the preamble of claim 1.
- the invention also relates to a construction machine or a construction tool having such a vibration generator.
- the invention further relates to a method for generating vibrations, in which a drive rotatably drives a first imbalance shaft, on which a first imbalance is arranged, and a second imbalance shaft, on which a second imbalance is arranged, and a gear arrangement, which is arranged between the drive and the imbalance shafts, transmits a torque of the drive to the imbalance shafts, according to the preamble of claim 13.
- Vibration generators can be used for many different purposes. For example, you can be used in construction for the introduction and / or removal of building elements in or out of the ground. For this purpose, a vibrator having a vibrator can be used. The vibrator can be used as Aufsatzrüttler on a shoring, for example, a sheet pile wall element, a screed or a pipe are placed in order to transmit vibrations when introduced or removed in a ground.
- a vibration generator for a vibration device with two adjacent imbalances is known. Both unbalances are driven via a transmission with a drive shaft, wherein a torque is transmitted from an engine to side by side mounted shafts of the transmission and the imbalances.
- a vibrator for a machine for producing concrete forms is described.
- the vibrator has a plurality of staggered imbalances as unbalance pairs, wherein an imbalance pair is driven by a drive shaft and the two imbalances of the imbalance pair are coupled to the torque transmission geared together.
- the imbalance pairs and the transmission provided for torque transmission form a unit which is excited by the rotational imbalances to oscillate.
- this allows an efficient pairwise drive the imbalances, but also experiences the transmission vibrations, which is thereby heavily stressed.
- DE 102 35 980 A1 describes a vibration mechanism with two motors for a vibration compacting machine.
- a first motor with a first weight and a second motor with a second weight via drive shafts is connected.
- the object is according to the invention by a vibration generator with the features of claim 1, by a construction machine or a construction tool with the Characteristics of claim 109 and with a method for generating vibrations with the features of claim 13 solved.
- Preferred embodiments of the invention are set forth in the respective dependent claims.
- the vibration generator according to the invention is characterized in that the transmission arrangement distributes an input torque of the drive to a first output element for the first imbalance and at least one second output element for the at least second imbalance, that for torque transmission between the first output element of the gear assembly and the first imbalance shaft, a first deflecting element is arranged and that for torque transmission between the second output element of the gear assembly and the second unbalanced shaft, a second deflecting element is arranged, wherein the first compensating element and the second compensating element are formed, an axial offset between the first output element and the first imbalance shaft or the second output element and the second Balance unbalance shaft.
- a deflection element according to the invention allows a deflection ab initio transverse to the shaft axis.
- This may essentially comprise torsionally rigid, movable shafts or coupling elements, which are mounted angularly and / or transversely movably.
- a deflection in particular a torsionally rigid, angularly movable coupling may for example be a propeller shaft having at least one cross or universal joint.
- a deflection and a torsionally rigid, transversely movable coupling may be understood by a deflection and a torsionally rigid, transversely movable coupling.
- Such a coupling may for example be a bellows-like hollow shaft, which is movable transversely to the shaft axis, or a radially adjustable disc.
- the deflection elements can compensate not only a radial offset, but also an axial and / or angular offset.
- a provision or arrangement of a component of the vibration generator according to the invention between other components of the vibration generator according to the invention can be understood not only spatially but also functionally, in particular in the sense of an intermediate provision or arrangement.
- a basic idea of the invention is to arrange a transmission arrangement of a vibration generator provided for torque transmission of the vibrating imbalances and their shafts substantially vibration-decoupled.
- a vibration-decoupled arrangement can be realized by means of a plurality of deflection elements, each deflection element on the one hand allows a torque transmission from the gear assembly to an unbalanced shaft and on the other hand substantially reduces a vibration transmission from the unbalanced shaft to the gear assembly.
- the vibration generator according to the invention thus has the advantage over known vibration generators that the vibrations generated by the imbalances are transmitted to a lesser extent to a transmission. This has the advantage that the transmission is less stressed and thus can be operated with less wear.
- the invention is based on a further finding that a vibration decoupling of the transmission of the oscillating unbalanced shafts can be realized independently of the spatial position of the gear assembly relative to the imbalances when the imbalance shafts and imbalances arranged thereon are arranged in a particularly compact manner as an imbalance unit ,
- This compact arrangement is realized according to the invention by a bearing of the first imbalance shaft in the second imbalance shaft and by a circumferential arrangement of the second imbalance to the first imbalance.
- a preferred embodiment of the vibration generator according to the invention is that for forming an imbalance unit, the first imbalance shaft is rotatably mounted within the second imbalance shaft and that the second imbalance around the first imbalance is arranged circumferentially., For torque transmission between the gear assembly and the first imbalance shaft, a first Be arranged deflection shaft and for torque transmission between the gear assembly and the second unbalanced shaft, a second deflection shaft can be arranged.
- the imbalance unit may also be referred to as an imbalance cell.
- a preferred embodiment of the vibration generator according to the invention is that at least one of the deflection elements is a propeller shaft which has a universal joint on at least one side. Preferably, on both sides of the propshaft each one Cardan joint provided.
- One of the cardan joints may connect the cardan shaft to one of the imbalances, and the other universal joint may connect the cardan shaft to the gear assembly.
- the cardan shaft is designed such that it can absorb vibrations of the imbalances and imbalance waves in different directions, for example in a vertical or in a horizontal direction. That is, starting from a fixed gear assembly, a torque can be transmitted via the cardan shaft to an imbalance shaft, while the cardan joints according to the vibrational movements of the unbalanced shafts (co-) move.
- the cardan shaft can also be designed as a hollow cardan shaft, in which coaxially another deflecting element, preferably a second deflecting or cardan shaft, is arranged.
- a further preferred embodiment of the vibration generator according to the invention is that at least one of the Auslenkianowellen is designed as a movable hollow shaft.
- the movable hollow shaft may be formed as a transversely movable hollow shaft.
- the first deflection element may transmit torque from the gear arrangement to the first unbalance shaft as a cardan shaft
- the second deflection element may surround the first deflection element as a movable hollow shaft and transmit torque to the second unbalanced shaft which surrounds the first unbalance shaft.
- both the first deflection shaft with the first imbalance shaft and the second deflection shaft with the second imbalance shaft rotatably connected and both deflection shafts are rotatably connected to the gear assembly.
- An advantage of this embodiment is that the gear assembly can be provided on one side to the imbalances and they can only be driven from one side.
- the vibrator can be constructed in a particularly compact manner.
- the movable hollow shaft can be designed as any torsionally rigid and at least transversely movable coupling.
- a preferred embodiment of the vibration generator according to the invention is that the movable hollow shaft is formed as a metal bellows.
- the metal bellows tube may perform the function of a metal bellows coupling between the gear assembly and the second unbalanced shaft.
- a metal bellows tube can have one central bellows and two outer ones Have hub. The central bellows allows a relative displacement of the two hubs to one another transversely to the hollow shaft axis. From the bellows of Metallbalrohrs vibrations can be taken in particular transversely but also longitudinally to the bellows axis.
- the two rotatably connected to the bellows hubs allow a torsionally rigid coupling of the metal bellows with one of the unbalanced shafts and with the gear assembly.
- a further preferred embodiment of the invention consists in that at least one of the deflection elements has a movable coupling with a radially displaceable coupling disk.
- a radially displaceable clutch disc on both sides two or more lever arms are rotatably articulated at one of its ends.
- the respective other end of the deflection lever is rotatably arranged on the respective adjacent shaft. That is, on the one hand, the levers are connected to the associated output member of the gear assembly and on the opposite side with the unbalanced shafts.
- a coupling with such a radially displaceable clutch disc is designed as a so-called Schmidt clutch.
- the gear arrangement can be arranged or interposed in any desired manner between the drive, in particular a drive motor, and the imbalance shafts for transmitting a torque of the drive to the imbalance shafts.
- a preferred embodiment of the vibration generator according to the invention is that the gear arrangement is provided on one side of the unbalance unit. This can be provided in particular if the first and second imbalance shaft are driven on one side.
- a gear drive shaft operatively connected to the gear arrangement is rotationally driven by the drive.
- a torque is introduced into the transmission arrangement in another known manner with a drive motor which is connected to the transmission assembly. is operatively connected.
- An adjusting drive for adjusting the rotational position of the imbalances can also be designed as a drive for torque transmission.
- the gear arrangement may in particular have a gear transmission.
- the gear transmission may be formed as a spur gear, which can drive the two unbalanced shafts synchronously.
- One gear of the gear assembly may drive the first steering shaft and another gear of the gear assembly may drive the second steering shaft.
- the two gears for driving the two deflection shafts can also be arranged in two different gear strands.
- the two transmission lines can be driven independently of each other, but in particular synchronously, by the drive.
- a preferred embodiment of the vibration generator according to the invention consists in that an adjustment motor for adjusting an angular offset of the imbalances is arranged on or in the gear arrangement.
- the Versteilmotor may mutually adjustable pivoting devices, in particular to each other rotatable gears, which are operatively connected to the deflection shafts and via which a torque can be transmitted.
- the adjustable pivoting devices can thus allow a pivoting of the individual imbalances and / or imbalance shafts to their synchronization while gears or gear rims, which drive the deflection shafts, to each other.
- the gear arrangement can thus also be understood as a synchronization and drive gear.
- a further preferred embodiment of the vibration generator according to the invention is that the second imbalance shaft is rotatably mounted in a housing which surrounds the first imbalance and the second imbalance.
- the housing provides protection from the rotating and oscillating imbalances and, on the other hand, can be used to attach a working tool to the vibration generator.
- a plurality of imbalance units can be arranged in redundant manner, in particular three or four, which can be driven together by the drive via the gear arrangement by means of two deflection shafts.
- the gear arrangement can drive several unbalance units synchronously.
- the gear arrangement for this purpose has a spur gear with one or more gear trains.
- any work tools can be attached to the vibrator.
- a particularly preferred embodiment of the vibration generator according to the invention is that a clamping device for clamping a working means, in particular a shoring element, for example a sheet pile wall element, is attached to the housing.
- the clamping device can have a parallel gripper for gripping and clamping the working medium. Vibrations can be transmitted via the housing to the clamping device and on to the working fluid.
- the introduction of a Verbauelements be facilitated in the soil.
- the construction machine according to the invention and the construction tool according to the invention comprise the vibration generator according to the invention.
- An advantageous embodiment of the construction machine according to the invention which comprises a mast, which is arranged on a carrier unit, is that the vibration generator is arranged on a guided on the mast carriage, wherein the gear assembly and the drive of the vibrator are mounted on the carriage. Also, the adjusting motor can be attached to the carriage. The carriage of the construction machine, which is guided on the mast, can thus also be vibration-decoupled. Vibrations generated by the imbalances can be transmitted via a housing surrounding the imbalance unit to a working tool arranged on the housing. This can be, for example, a clamping device for clamping a shoring element and for introducing the same into the ground.
- a further advantageous embodiment of the construction machine according to the invention is that the vibration generator is guided on a leader.
- a guide means of a ram can be understood, which can bring pipes or sheet piles in the ground.
- a leader-guided vibration generator in particular a leader-guided Aufsatzrüttler, has the advantage that a shoring with higher accuracy than with a free-running Aufsatzrüttler can be introduced into the soil.
- the object mentioned according to the invention is achieved in that a first deflection shaft transmits the torque of the drive from a first output element of the gear assembly to the first imbalance shaft and that a second deflection element transmits the torque of the drive from a second output element of the gear assembly to the second imbalance shaft, wherein the first compensation element and the second compensation element are formed, a Offset axial offset between the first output element and the first imbalance shaft or the second output element and the second imbalance shaft.
- the second imbalance rotates the first unbalance, wherein the first imbalance shaft is mounted within the second imbalance shaft, a first deflection shaft transmits the torque of the drive from the gear assembly to the first imbalance shaft and a second deflection shaft transmits the torque of the drive of the Transmission arrangement transmits to the second imbalance shaft.
- a preferred embodiment of the method according to the invention is that the two imbalance shafts are driven in opposite directions rotating.
- a further advantageous embodiment of the method according to the invention is that the two unbalanced shafts are driven synchronously.
- the gear arrangement may be formed as a synchronization gear.
- imbalance shafts driven unbalanced shafts that is driven at the same angular velocity can be understood simultaneously.
- the imbalance shafts can be synchronously driven synchronously rotating or synchronously driven counter-rotating.
- a further advantageous embodiment of the method according to the invention according to the invention is that an offset of the imbalances in a start position of the imbalances, in which the imbalances are arranged opposite, is corrected.
- Such an offset correction makes it possible in particular for a counter-rotating driving of the two imbalances in the upper start position and in opposite to a lower position, that is, meet, wherein they are opposite in an angular offset of 90 ° to the two positions, which compensate for vibrations in this plane.
- a building can be built.
- a structure may for example be a Baugrubenumschiff, which is built with shoring elements, which have been introduced using the vibration generator according to the invention in the ground.
- Figure 1 is a side view of a first vibrator according to the invention with three imbalance units and a one-sided gear arrangement.
- Figure 2 is a side view of a second vibrator according to the invention with four unbalance units and a one-sided gear arrangement.
- Fig. 3 is a side view of a third vibrator according to the invention with three imbalance units and a two-sided gear arrangement;
- FIG. 4 shows a cross-sectional view of a further embodiment of a vibration generator according to the invention.
- FIG. 5 shows a first perspective view of a compensating coupling
- Fig. 6 is a second perspective view of a compensating coupling.
- Figures 1 to 3 each show a vibration generator 100, 200 with a plurality of imbalance units 2.
- the individual imbalance units 2 are formed in all these embodiments of the vibrator 100, 200 substantially the same.
- a single imbalance unit 2 comprises a first imbalance shaft 12 with a first imbalance 10 and a second imbalance shaft 22 with a second imbalance 20.
- the first imbalance shaft 12 and the second imbalance shaft 22 are coaxially mounted, wherein the first imbalance shaft 12 at least partially within the second imbalance shaft 22 is located.
- the second imbalance shaft 22 is formed as a hollow shaft.
- the first imbalance shaft 12 is mounted in the second hollow imbalance shaft 22 by means of a first imbalance radial bearing 14.
- the first imbalance 10 with a shaft-hub connection 13 is arranged on the first imbalance shaft 12, the first imbalance 10 with a shaft-hub connection 13 is arranged.
- the shaft-hub connection 13 may be a feather key connection.
- the second imbalance shaft 22 surrounds the first imbalance 10, wherein the second imbalance 20 is arranged on or in the lateral surface of the second imbalance shaft 22, that it is arranged radially offset from the common shaft axis 3 of the coaxially arranged first imbalance shaft 12 and second imbalance shaft 22 to the outside , If both unbalances 10, 20 are set in rotation, the second unbalance 20 rotates around the first unbalance 10.
- the second imbalance shaft 22 is mounted in a housing 50 with second imbalance radial bearings at both ends of the second imbalance shaft 22.
- Second unbalanced radial bearings 24 and first unbalanced radial bearings 14 are arranged at the end portions of the first imbalance shaft 12 and the second imbalance shaft 22, wherein between the two end portions, the two imbalances 10, 20 are arranged therebetween.
- the housing 50 thus surrounds the two imbalances 10, 20, which can rotate inside the housing 50.
- the housing 50 can accommodate the imbalances 10, 20 and, at least in sections, the imbalance shafts 12, 22.
- the imbalance units 2 and the housing 50 form a vibrating unit, since oscillations generated by the imbalances are transmitted to the housing 50 via the eccentric shafts 12, 22.
- Figures 1 to 3 also each show a clamping device 60 as a working tool to which vibrations with the vibrators 100, 200 according to the invention can be transmitted.
- the two unbalanced shafts 12, 22 are articulated to a gear arrangement 30 with a cardan shaft 15 and a movable hollow shaft 15.
- These two deflection shafts, the propeller shaft 15 and the movable hollow shaft 1 15, are arranged coaxially.
- the propeller shaft 15 is inside the movable hollow shaft 1 15.
- a common shaft axis of the propeller shaft 15 and the movable hollow shaft 1 15 may be parallel to the shaft axis 3 of the unbalanced shafts 12, 22 in a rest position of the vibrator 100.
- the cardan shaft 15 is articulated with a first universal joint 5 on the first unbalanced shaft 12 and articulated with a second universal joint 5 at one of a drive (not shown) rotatably driven gear shaft 37 of the gear assembly 30.
- a torque of the driven gear shaft 37 can be transmitted via the propeller shaft 15 to the first imbalance shaft 12 and the first imbalance 10.
- the movable hollow shaft 1 15 may be formed, for example, as a metal bellows.
- the movable hollow shaft 1 15 is flanged with a first hub 7 on the second imbalance shaft 22.
- This first hub 7 can therefore be referred to as imbalance hub of the movable hollow shaft 1 15.
- the second hub 7 can therefore be referred to as a gear hub of the movable hollow shaft 1 15.
- the movable hollow shaft 1 15 is flanged for torque transmission from a driven gear rim 35 of the gear assembly 30 to the second unbalanced shaft 22 by means of two flange hubs 7.
- the driven gear rim 35 may further be radially supported by a gear rim bearing 39 on the driven gear shaft 37.
- a torque from the driven gear shaft 37 via a Versteilmotor 40 on the output gear ring 35 and thus also on the movable hollow shaft 1 15 and the second unbalanced shaft 22 are transmitted.
- FIG. 1 shows a gear arrangement 30, which transmits a torque of a drive (not shown) to three unbalance units 2.
- the gear assembly 30 has two gear trains, both of which are driven by the drive.
- the two gear trains extend from the Versteilmotor 40 which two mutually adjustable and lockable intermediate gears 32, 33 has.
- torque can be transmitted from the drive via the adjusting motor 40 to the unbalanced shafts 12, 22, and if the intermediate gears 32, 33 are not detected, an angular offset between the imbalances 10, 20 can be set or corrected by the adjusting motor 40.
- the first gear train forms a spur gear from a plurality of intermeshing and driven by the driven gear shaft 37 synchronously driven drive wheels 36 .
- At each of these drive wheels 36 is axially a transmission shaft 41 which is rotationally rigidly connected via one of the universal joints 5, each with a propeller shaft 15.
- One of the transmission shafts 41 is the driven transmission shaft 37.
- the drive wheels 36 of the spur gear may have the same circumference, whereby the transmission shafts 41 are driven at the same speed and therefore rotate the hinged with the cardan shafts 15 unbalanced shafts 12 at the same speed, that is rotate.
- the second gear train has a plurality of output gear rings 35 for transmitting torque from the drive to the second imbalances 20.
- the output gear rims 35 are engaged with each other as a spur gear and are driven via the intermediate gears 32, 33.
- the output gear rims 35 may have the same circumference and thus be driven at the same speed.
- the transmission shafts 41 of the first gear train are respectively mounted in the output gear rims 35 by means of a gear shaft radial bearing 38. A transmission shaft 41 thus passes through a driven gear rim 35.
- the Versteilmotor 40 may be formed so that the two intermediate gears 32, 33 and thus also the two unbalanced shafts 12, 22 are driven in the same direction or in opposite directions by the drive.
- the drive, the adjustment motor 40 and / or the gear assembly 30 may be attached to a construction machine or a construction tool (both not shown).
- brackets 70 are shown in ansatzweise, in which the transmission shafts 41 may be stored with Geretewellenradiallagern 38.
- Other brackets for securing the gear assembly 30, the adjusting motor 40 and the drive, for example, on the construction machine, not shown, or the construction tool may also be provided.
- FIGS. 1 to 3 each show a clamping device 60, which is fastened to the oscillating housing 50.
- Clamping device 60 may, for example, clamp a sheet pile element to transfer to these vibrations of vibrator 100, 200.
- the embodiment of the vibration generator 100 shown in FIG. 2 differs from the embodiment shown in FIG. 1 only in that four unbalance units 2 are provided instead of three unbalance units 2. Basically, the vibration generator 100 may be formed with any number of unbalance units 2.
- imbalance units 2 advantageously describes a vibration redundancy concept for amplifying the generated vibration forces.
- FIG. 2 differs from the embodiment shown in FIG. 1 in that the adjustment motor 40 is arranged centrally, with the first and the second intermediate wheels 32, 33 transmitting a torque to respective opposing gear trains which are otherwise identical to those of FIG Gear trains can be formed in Figure 1.
- the drive, the Versteilmotor 40 and the gear assembly 30 arranged on one side to the imbalance units 2 and the housing 50
- the leveling arrangement 30 is located on both sides of the unbalance units 2.
- first imbalance shaft 12 is articulated with a first propeller shaft 15 on a first gear train of the gear assembly 30 and the second imbalance shaft 22 is articulated with a second propeller shaft 225 to a second gear train of the gear assembly 30.
- Both propeller shafts 15, 225 each have two universal joints 5.
- the propeller shafts 15, 225 may be formed as a double propeller shaft.
- the first propeller shaft 15 is articulated with a universal joint 5 on the first imbalance shaft 12 and articulated with a further universal joint 5 on a transmission shaft 41 of the first gear train.
- the second propeller shaft 225 is articulated with a universal joint 5 on the second imbalance shaft 22 and with another universal joint 5 on a transmission shaft 41 of the second gear train.
- Both gear trains each have a plurality of drive wheels 36 each having a transmission shaft 41.
- the transmission shafts 41 are mounted in transmission shaft radial bearings 38 of a holder 70.
- the imbalance shafts 12, 22 of the three imbalance units 2 shown in FIG. 3 can be driven synchronously by the gear arrangement 30.
- a drive shaft 242 is provided, on which the two intermediate gears 32, 33 are respectively arranged end.
- the drive shaft 242 is mounted in the holder 70 with drive shaft radial bearings 243.
- the holder 70 may be attached to a construction machine, not shown, or a construction tool.
- the drive shaft 242 or one of the two intermediate gears 32, 33 can be driven in rotation by the drive.
- the imbalance units 2 can thus oscillate centrally between the gear trains of the gear arrangement 30, wherein the cardan shafts 15, 225 absorb the vibrations and essentially do not transmit to the gear arrangement 30.
- the gear assembly 30 can be variable, in particular one or two sides, formed.
- FIG. 3 Another embodiment of a vibration generator 300 according to the invention is shown in FIG.
- the basic structure of the vibration generator 300 with respect to the imbalance units 10, 20 corresponds to the structure described above, wherein in the housing 50 a total of four imbalance units 10, 20 are mounted.
- the transmission assembly 30 has a total of six shaft-shaped output elements, reference being made to a first output element 77 and a second output element 78 for the following description.
- the drive 80 has two hydraulic drive motors in the illustrated embodiment, which introduce their torque into the common transmission arrangement 30 wherein the gear assembly 30 evenly distributes the introduced torque to the output members 77, 78.
- a servomotor 40 for a relative adjustment of the imbalance units 10, 20 is provided in a known manner.
- a respective clutch 1 15 with a radially adjustable clutch disc 120 is arranged.
- Such a coupling 15 can also be referred to as a compensating coupling or Schmidt coupling.
- the clutch 1 15 has a radially adjustable clutch disc 120, which is arranged between a right-side drive pulley 121 and a left-side driven pulley 122.
- the drive pulley 121 is in this case mounted coaxially on the first output element 77, that is to say the first output shaft of the transmission arrangement 30.
- the driven pulley 122 is rotationally fixed and coaxially fixed to the imbalance shaft 12 of the first imbalance 10.
- the central clutch disc 125 is pivotally connected via three pivotable levers 125 to the drive pulley 121 and the driven pulley 122, respectively.
- respective bearing journals 126 are attached to the disks 120, 121, 122, on which the deflectable levers are pivotably or rotatably mounted. In this way, a torque between the output element and the associated imbalance shaft can be transmitted through the clutch 1 15, wherein at the same time a radial offset between the drive and output can be compensated.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17154559.3A EP3357589A1 (de) | 2017-02-03 | 2017-02-03 | Schwingungserzeuger und verfahren zum erzeugen von schwingungen |
PCT/EP2018/051684 WO2018141601A1 (de) | 2017-02-03 | 2018-01-24 | Schwingungserzeuger und verfahren zum erzeugen von schwingungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3576890A1 true EP3576890A1 (de) | 2019-12-11 |
EP3576890B1 EP3576890B1 (de) | 2021-01-13 |
Family
ID=57995040
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17154559.3A Withdrawn EP3357589A1 (de) | 2017-02-03 | 2017-02-03 | Schwingungserzeuger und verfahren zum erzeugen von schwingungen |
EP18703701.5A Active EP3576890B1 (de) | 2017-02-03 | 2018-01-24 | Baumaschine mit schwingungserzeuger und verfahren zum erzeugen von schwingungen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17154559.3A Withdrawn EP3357589A1 (de) | 2017-02-03 | 2017-02-03 | Schwingungserzeuger und verfahren zum erzeugen von schwingungen |
Country Status (4)
Country | Link |
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US (1) | US11420232B2 (de) |
EP (2) | EP3357589A1 (de) |
CN (1) | CN110234441B (de) |
WO (1) | WO2018141601A1 (de) |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1920221U (de) * | 1963-06-12 | 1965-07-22 | Losenhausenwerk Duesseldorfer | Unwuchtruettler. |
US3670631A (en) * | 1970-12-28 | 1972-06-20 | Clark Equipment Co | Rotating vibrator |
US3817646A (en) * | 1973-04-30 | 1974-06-18 | Wacker Corp | Vibration generator |
FR2314776A1 (fr) * | 1975-06-16 | 1977-01-14 | Babbitless Sa | Dispositif vibrant a action dirigee |
DE3709112C1 (de) | 1986-08-27 | 1988-01-28 | Knauer Maschf Gmbh | Ruettelvorrichtung fuer eine Betonsteinformmaschine |
DE4224113C2 (de) | 1992-07-22 | 1996-04-04 | Licentia Gmbh | Schwingungserreger |
US5584375A (en) | 1994-12-21 | 1996-12-17 | Food Engineering Corporation | Single drive vibrational conveyor with vibrational motion altering phase control and method of determining optimal conveyance speeds therewith |
DE19529115A1 (de) * | 1995-08-08 | 1997-03-06 | Wacker Werke Kg | Vibrationsmechanismus, insbesondere zur Verwendung zur Verdichtung von Böden |
DE29516602U1 (de) * | 1995-10-20 | 1995-12-21 | Laukemann, Willy, 68782 Brühl | Vibrationsantrieb für Schwingmaschinen |
US6227760B1 (en) * | 1998-02-06 | 2001-05-08 | Mikasa Sangyo Co., Ltd. | Travel control device for vibrating plate compactor |
GB2356235A (en) * | 1999-11-13 | 2001-05-16 | Benford Ltd | Compactor machine |
JP2002129563A (ja) * | 2000-10-20 | 2002-05-09 | Chowa Kogyo Kk | 同期連動杭打装置および同期連動杭打方法 |
US6637280B2 (en) * | 2001-10-31 | 2003-10-28 | Caterpillar Paving Products Inc | Variable vibratory mechanism |
DE10306791A1 (de) * | 2003-02-18 | 2004-08-26 | Bomag Gmbh | Schwingungserregervorrichtung |
US6837648B1 (en) * | 2004-05-27 | 2005-01-04 | Theodore S. Wadensten | Portable roller-type compactor apparatus having a combined means for the vibrating and the reversible propelling thereof |
CN100529477C (zh) * | 2004-10-30 | 2009-08-19 | 陈启方 | 多根偏心轴并联安装的同步驱动机构 |
US7316524B1 (en) * | 2006-09-05 | 2008-01-08 | Pikuet Kevin M | Tamping device |
JP5479108B2 (ja) * | 2007-01-17 | 2014-04-23 | ニュー・ワールド・ジェネレーション・インコーポレイテッド | 複合的な風力発電機及び動作方法 |
EP2162607A4 (de) * | 2007-03-28 | 2012-02-29 | Edward Charles Mendler | Zapfwellenkupplung |
US20110158745A1 (en) * | 2009-12-31 | 2011-06-30 | Caterpillar Paving Products Inc. | Vibratory system for a compactor |
EP3228392B1 (de) | 2016-04-05 | 2019-08-28 | BAUER Maschinen GmbH | Vibrationsrammgerät |
-
2017
- 2017-02-03 EP EP17154559.3A patent/EP3357589A1/de not_active Withdrawn
-
2018
- 2018-01-24 CN CN201880010070.1A patent/CN110234441B/zh active Active
- 2018-01-24 EP EP18703701.5A patent/EP3576890B1/de active Active
- 2018-01-24 US US16/483,223 patent/US11420232B2/en active Active
- 2018-01-24 WO PCT/EP2018/051684 patent/WO2018141601A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
EP3357589A1 (de) | 2018-08-08 |
US11420232B2 (en) | 2022-08-23 |
CN110234441B (zh) | 2021-04-13 |
CN110234441A (zh) | 2019-09-13 |
WO2018141601A1 (de) | 2018-08-09 |
EP3576890B1 (de) | 2021-01-13 |
US20200230652A1 (en) | 2020-07-23 |
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