Vibration device

Abstract

Vibration device (2) for training and therapeutic applications comprising a frame (12), at least one base element (4; 6) for placing a foot (F) which is movably held on the frame (12) via a bearing arrangement (8; 10), wherein the bearing arrangement (8; 10) has a first bearing device (L1) on a first side (S1) of the base element (4; 6) and a pair of bearing arrangements (14; 16) with a second bearing device (L2) and a third bearing device (L3) on a second side (S2) of the base element (4; 6), and a motion mechanism driven by a motor (22), by means of which a recurring pivoting movement about the first bearing device (L1) can be generated via the bearing arrangement (8; 10) on the base element (4; 6), characterized in that the motor (22) is displaceable on the frame (12) and / or on the base element (4; 6). is stored and there is a distance between the bearing arrangement pair (14;16) and the motor (22) is adjustable, wherein the amplitude and / or frequency of the recurring pivoting movement can be changed by changing the position of the motor (22).;

Description

The invention relates to a vibration device for training and therapeutic applications according to the preamble of claim 1.The known vibration device comprises a frame, at least one platform element for putting on a foot and a movement mechanism driven by a motor. The footprint element is held movably on the frame via a bearing arrangement, wherein the bearing arrangement on the footprint element has three bearing devices. By means of the movement mechanism, a repeated pivoting movement about a first bearing device on a first side of the footprint element can be generated via the bearing arrangement on the footprint element, wherein second and third bearing devices of the bearing arrangement form a bearing arrangement pair on a second side of the footprint element.The known vibration device is used for medical or physical therapeutic applications or training purposes. When used as training equipment, the vibration device achieves in particular that muscle groups are excited or built up. Further, the known vibration device can also be used to improve the sense of equilibrium of a user. In almost all application cases, a user is placed on the footprint element, which is moved vibratingly or wobblingly via the movement mechanism, so that these movements are emitted to the feet of the user. The muscle apparatus and equilibrium organs of the user react to this pivoting movement and attempt to balance it. This trains the sense of equilibrium and reinforces the muscles involved in it.U.S. Pat. No. 8,758,205 B2 discloses a training device in which a plate-shaped standing surface element is held on a bearing arrangement. The bearing arrangement has two toggle lever gears on each of two sides, which are connected to one another via a common connecting rod. All four toggle lever mechanisms have a pivot arm on which the standing surface element is supported via a pivot bearing and which can be pivoted back and forth and displaced up and down in each case by means of an eccentric wheel. The eccentric wheels can be driven by a common drive unit via a belt transmission in order to generate vibration movements on the rotary bearings that are coordinated with one another via the toggle lever transmissions.Good medical, physical-therapeutic and also sports success can be achieved with the previously known vibration devices. However, there is a further need for improved vibration devices that promising a more rapid and / or efficient success. In particular, there is potential for improvement in the sense of configuring the use of vibration devices more flexible and individually adapted to the respective user and to counteract a habituation effect.The object of the invention is thus to provide a vibration device for training and therapeutic applications which is improved with respect to its flexibility of adaptation to different users or application targets. In particular, a vibration device is to be provided which makes it possible in a simple manner to adapt movement sequences in order to thus increase the variety of training options.This object is achieved by a vibration device having the features of claim 1. According to the invention, the motor of the vibration device is displaceably mounted on the frame and / or on the platform element in such a way that a distance between the bearing arrangement pair and the motor can be adjusted. By the motor being variable with respect to the bearing arrangement pair, the amplitude and / or the frequency of the generating pivot movement can be changed or set particularly simply and purely mechanically. A habituation effect when training with a constant or identically recurring swivel movement is thus avoided. Moreover, the vibration device can be used flexibly due to the adjustability of the amplitude and / or frequency of the pivoting movement, wherein in particular the needs of individual users can be addressed.The movement mechanism preferably comprises a toggle lever gear which is coupled to the second and / or third bearing device and is configured such that the amplitude and / or frequency of the recurring pivot movement can be changed by changing the position of the motor. The change in the distance between the bearing arrangement pair and motor, or the change in the position of the motor, is simultaneously accompanied by a change in the movement sequence of the movement mechanism, which results in the change in the amplitude and / or frequency of the pivoting movement, because of the toggle lever mechanism used. In this way, the type of the pivoting movement can be changed relatively easily and can be set relatively accurately for a desired application. Depending on the application case, which is dependent on the respective user and / or the training goals thereof, different amplitudes and / or frequencies can be set. Preferably, the amplitude is continuously adjustable. With regard to the frequency, however, it is preferably possible to choose between a single and a double frequency. The use of a toggle lever mechanism and a motor, which is in particular linearly displaceable, is moreover simple and cost-effective and additionally ensures the necessary robustness, which is favourable for a vibration device which has to fully support the weight of a user.A particularly stable construction can be achieved in that the toggle lever mechanism has a push rod which is connected in an articulated manner to two scissor arms. In this case, a first scissor arm can be connected to the standing surface element and a second scissor arm can be connected to the frame in an articulated manner. The first scissor arm can be connected in an articulated manner to the second and / or third bearing device, for example. The second scissor arm can be connected in an articulated manner to a fourth or fifth bearing device, wherein the fourth or fifth bearing device is preferably arranged on the frame. Such a construction of the toggle lever mechanism is particularly cost-effective and stable.In a preferred embodiment of the vibration device according to the invention, it is provided that the motor can be displaced in at least three positions at different distances from the bearing arrangement pair. The motor and the movement mechanism can be coordinated with one another in such a way that in a first position a first amplitude and a first frequency of the recurring pivoting movement can be adjusted. Furthermore, the motor and the movement mechanism can be coordinated with one another such that in a second position a second amplitude and a second frequency of the recurring pivot movement can be adjusted, wherein the second amplitude is smaller than the first amplitude and the second frequency is larger, in particular doubled, compared to the first frequency. Finally, the motor and the movement mechanism can be coordinated with one another such that in a third position a third amplitude and a third frequency of the recurring pivot movement can be adjusted, wherein the third amplitude is greater than the first amplitude and the third frequency corresponds to the first frequency.It can be advantageous if fixing means are provided, by means of which the at least three positions are predefined and in each of which a releasable fixing of the motor relative to the frame can be produced, as a result of which a plurality of positions can be predefined with an amplitude and / or frequency which is respectively predetermined with respect to a rotational speed of the motor. The displacement of the motor into a desired position can be effected, for example, manually. The fixing means ensure that the motor is held stably in the respectively set position.Alternatively, it can be provided that the engine is continuously displaceable. In both cases, but in particular in the case of a continuously shiftable motor, it is preferably provided that the position of the motor can be changed by means of an actuator. In this way, the change of the amplitude and / or frequency of the vibration device can be carried out automatically and in particular during the operation of the recurrent pivoting movement.In a further preferred embodiment of the invention, at least two base elements are provided, which can each be moved jointly or independently of one another. The use of two footprint elements extends the possibilities for training or for therapeutic application of the vibration device. In particular, if the footprint elements are movable offset or independently of one another and additionally the amplitudes or frequencies of the pivoting movement of the footprint elements are adjustable independently of one another, a considerable number of possibilities can be created in order to offer training units individually adapted to the user and the requirements thereof and to avoid a habituation effect.In general, it is advantageous if the vibration device has two standing surface elements, since in this way lateral-alternating vibration training is made possible, which simulates a natural movement sequence of a user during walking or running.It is possible for the standing surface elements to be movable by a common motor and / or a common movement mechanism. The use of a common motor and / or a common movement mechanism reduces the components and the production costs of the vibration device. In addition, the vibration device can thereby be produced with a relatively low weight, which facilitates its mobile use.Alternatively, it can be provided that the standing surface elements each have its own motor and / or its own movement mechanism. This increases flexibility in adjusting the amplitude and frequency of the vibrator and may result in improved training effects.If the footprint elements each have their own motor, it can be advantageous if the motors of the footprint elements are coupled to a common actuating drive for changing the position of the motors. This ensures a mutually coordinated or similar change in the amplitudes and the frequencies of the two footprint elements. In addition, the common actuating drive enables a simple, compact and cost-effective construction of the vibration device.In a further preferred embodiment of the vibration device according to the invention, it is provided that each standing surface element has two movement mechanisms, the pushrods of which together form a pushrod pair, wherein the pushrods of a pushrod pair and / or the pushrod pairs of two standing surface elements are mounted eccentrically on the motor offset from one another in terms of a rotational angle. If the push rods of a pair of push rods are mounted eccentrically on the motor offset from one another in terms of angle of rotation, this results in a wobbling movement of the standing surface element, as a result of which additional muscle groups are excited. In the case of an arrangement of push rod pairs of two standing surface elements offset in the angle of rotation, the movement sequences of the feet of a user can take place differently, as a result of which additional muscle groups are in turn excited. A combination of push rods of the push rod pairs offset in the angle of rotation and also push rod pairs of two standing surface elements offset in the angle of rotation is possible and additionally extends the training options.In a further embodiment of the vibration device according to the invention, it is provided that the movement mechanism and / or the motor is configured such that the repeated pivoting movement has a sinusoidal movement profile. The sinusoidal motion sequence is particularly gentle for joints and at the same time brings about good and uniform muscle strengthening. A sinusoidal movement sequence is also advantageous for improving the equilibrium. The sinusoidal movement sequence ensures a very harmonic movement of the user and allows an objective assessment and comparison of training parameters. Therapy results can thus be detected well.It is pointed out that all the above-described elements and features of the various embodiments of the subject matter according to the invention can be interchanged or combined with one another, provided that an exchange or a combination thereof is not excluded for technical reasons.An exemplary embodiment of the invention is shown in the figures. The following are shown: FIG. 1A is a plan view of a vibration device according to the invention, FIG. 1B is a side view of the vibration device according to FIG. 1 a, FIGS. 2A, 2B show a movement sequence of the vibration device according to FIG. 1 bwhen the motor is in a first position P 1, FIGS. 3A-3D show a sequence of movements of the vibration device according to FIG. 1 bwhen the motor is in a second position P 2, FIGS. 4A, 4B show a movement sequence of the vibration device according to FIG. 1 bwhen the motor is in a third position P 3; and FIG. 5 shows a superposition of two snapshot in the movement sequence of the vibration device according to FIG. 1 bwhen the motor is in the third position P 3.FIGS. 1 and 2 show a vibration device 2 for generating recurring pivoting movements or tumbling movements. The vibration device 2 comprises a first standing surface element 4 and a second standing surface element 6. A user can place his feet F on the standing elements 4, 6 in order to excite the muscles and / or the equilibrium organs by means of the pivoting movements generated by the vibration device 2.The first footprint element 4 is held on a frame 12 via a first bearing arrangement 8 and the second footprint element 6 is held on a frame 12 via a second bearing arrangement 10. The frame 12 can be set down on a floor.Each bearing arrangement 8, 10 comprises three bearing devices L 1, L 2, L 3, respectively. The first bearing devices L 1 are each arranged on a first side S 1 of the standing surface elements 4, 6. The respective second and third bearing devices L 2, L 3 are arranged on a second side S 2 of the standing surface elements 4, 6. In this case, the second bearing device L 2 and the third bearing device L 3 together with a respectively assigned fourth bearing device L 4 and a fifth bearing device L 5 of the first footprint element 4 form a first bearing arrangement pair 14. the second bearing device L 2 and the third bearing device L 3 of the second footprint element 6 likewise form a second bearing arrangement pair 16 together with a respectively assigned fourth bearing device L 4 and a fifth bearing device L 5. the bearing arrangement pairs 14, 16 are thus likewise located on the second side S 2 of the two footprint elements 4, 6.The respective first bearing device L 1 on the first side S 1 of the footprint elements 4, 6 has at least two degrees of freedom and is preferably formed by a respective ball bearing 18, 20. In this case, the first ball bearing 18 is assigned to the first footprint element 4, and the second ball bearing 20 is assigned to the second footprint element 6. The first ball bearing 18 and the second ball bearing 20 connect the respective footprint element 4, 6 directly to the frame 12 such that during a repeated pivoting movement of the respective footprint element 4, 6 the amplitude in the region of the first and second ball bearings 18, 20 approaches zero and the two bearing devices L 1 each form a pivot point for the respective pivoting movement of the footprint elements 4, 6.The two first bearing devices L 1 thereby define a transverse axis AQ adjacent to the first side S 1, about which the respective longitudinally directed pivoting movement of the standing surface elements 4, 6 can be generated. In addition, the bearing devices L 1 each define a longitudinal axis AL of the respective standing surface element 4, 6, about which a recurring transversely directed pivoting movement is likewise respectively generated.In order to be able to initiate the pivoting movement, at least one motor 22 is provided, wherein in the exemplary embodiment shown in the drawings, each standing surface element 4, 6 is assigned a respective motor 22. The motor 22 is coupled via at least one toggle lever gear 24, here in each case two toggle lever gears 24, to the respectively assigned standing surface element 4, 6. Each toggle lever gear 24 comprises a push rod 26 which is articulated on an eccentric disc 28. The eccentric disc 28 is connected to the shaft of the motor 22 and can be driven by the latter.For this purpose, the push rod 26 has a first push rod end 30, which is mounted eccentrically and rotatably on the eccentric disk 28, in order to be able to be driven by the latter. A second pushrod end 32 is hingedly coupled to a first scissors arm 34 and a second scissors arm 36. The first scissor arm 34 connects the second push rod end 32 to the second or third bearing device L 2, L 3 on the respectively associated footprint element 4, 6. The second scissor arm 36 connects the second push rod end 32 simultaneously to a fourth or fifth bearing device L 4, L 5. The fourth and fifth bearing devices L 4, L 5 are each connected to the frame 12. As FIG. 1B shows, the toggle lever mechanism 24 with the push rod 26 and the two scissor arms 34, 36 in this way forms a type of scissor joint in which the two scissor arms 34, 36 can have the same length, for example.The motor 22 is furthermore arranged on the frame 12 in a linearly displaceable manner. In the illustrated embodiment, the engine 22 may be continuously shifted between at least three positions P 1, P 2, P 3. This is preferably effected via an actuating drive 38 which is connected to the motor 22 or its mounting by means of a linear guide 40. The motor 22 is displaceable along the linear guide 40. The actuating drive can have, for example, a spindle drive which acts along the linear guide. The motor 22 can be displaced with respect to the first or second bearing arrangement pair 14, 16 via the linear guide 40 and the actuating drive 38. In particular, the distance between the first or second bearing assembly pair 14, 16 and the motor 22 may be adjusted. This leads to different amplitudes and / or frequencies of the movement sequence due to the toggle lever mechanism 24, as will be explained below with reference to FIGS. 2 ato 5.FIGS. 2A and 2B schematically show a movement sequence, wherein the motor 22 is in its first position P 1. In this first position P 1, the motor 22 is at a relatively large distance from the bearing arrangement pair 14, 16 of the respectively associated standing surface element 4, 6.FIG. 2A shows a position in which the footprint element 4, 6, in particular its second side S 2, assumes the lowest position. At this time, the push rod 26 is positioned such that its first push rod end 30 is at the greatest possible horizontal distance from the bearing arrangement pair 14, 16. Together with the push rod 26, the scissor arms 34, 36 substantially form the shape of a Y.FIG. 2B shows a further position of the vibration device 2, in which the first pushrod end 30 has the smallest possible horizontal distance from the bearing arrangement pair 14, 16. It will be appreciated that the scissors arms 34, 36 have substantially positioned to form a vertical line. The toggle lever mechanism 24 with the push rod 26 and the scissor arms 34, 36 has in this state substantially the shape of a T.The platform element 4, 6 is pivoted about the transverse axis AQ, that is to say the second side S 2 of the platform element 4, 6 is raised with respect to the first side S 1 and in particular with respect to its position according to FIG. 2A. At the time according to FIG. 2B, the footprint element 4, 6, in particular its second side S 2, has reached its highest position. As shown in FIG. 2B, a movement amplitude A is thus passed through in the first position P 1 of the motor 22 during the pivoting movement between the lowermost position of the platform element 4' / 6' in the state according to FIG. 2A and the uppermost position of the platform element 4 / 6 in the state according to FIG. 2B on the second side S 2.FIGS. 3A-3D show a further movement sequence of the vibration device 2, wherein the motor 22 is displaced manually or by motor and is located in a second position P 2. In the second position P 2, the motor 22 is horizontally closer to the bearing assembly pair 14, 16 than in the first position P 1 illustrated in FIGS. 2A and 2B. FIGS. 3A-3D show different points in time within a movement sequence, wherein the push rod end 30 is shown on the eccentric disk 28 in a 3 o'clock position (FIG. 3A ), a 6 o'clock position (FIG. 3B ), a 9 o'clock position (FIG. 3C ) and a 12 o'clock position (FIG. 3D ).In the 3 o'clock position of Figure 3A, the first push rod end 30 is horizontally furthest from the bearing assembly pair 14, 16. In this position, the footprint element 4, 6 is simultaneously in its lowest position, wherein this applies in particular to the second side S 2 of the footprint element 4, 6. On the first side S 1 of the platform element 4, 6, there is the first bearing device L 1, which defines a pivot point about the transverse axis AQ. In the state according to FIG. 3A, the push rod 26 forms with the two scissor arms 34, 36 substantially a Y-like position, wherein the angle between the two scissor arms 34, 36 is flatter compared to the state according to FIG. 2A, in which the motor is situated in the first position P 1.FIG. 3B shows a position in which the first push rod end 30 is arranged in the 6 o'clock position on the eccentric disk 28 of the motor 22. During the transition from the 3 o'clock position according to FIG. 3A to the 6 o'clock position according to FIG. 3B, the articulation point of the second push rod end 32 on the scissor arms 34, 36 is displaced such that the scissor arms 34, 36 are aligned substantially with one another. This has the effect that the distance between the fourth bearing device L 4 and the second bearing device L 2 of the standing surface element 4, 6 increases to a maximum. In the 6 o'clock position of the first push rod end 30, the highest peak of the movement is thus reached. As shown in FIG. 3B, a movement amplitude A is thus passed through in the second position P 2 of the motor 22 during the pivoting movement between the lowermost position of the platform element 4' / 6' in the state according to FIG. 3A and the uppermost position of the platform element 4 / 6 in the state according to FIG. 3B on the second side S 2.At the time of Figure 3C, the first push rod end 30 is at a 9 o'clock position on the eccentric disc 28, in which condition there is the maximum possible horizontal distance between the second push rod end 32 and the axis of rotation of the motor 22. A flat angle is now again enclosed between the two scissor arms 34, 36. The toggle lever mechanism 24 with the push rod 26 and the scissor arms 34, 36 essentially shows an arrow-like shape.FIG. 3D shows the vibration device 2 at a time when the first push rod end 30 is arranged at a 12 o'clock position on the eccentric disk 28. In this position, the two scissor arms 34, 36 are again in a vertically aligned arrangement, as already present from FIG. 3B at the time of the 6 o'clock position of the first push rod end 30. The second bearing device L 2 has thus passed through the full amplitude A again during the transition from the time according to FIG. 3C to the time according to FIG. 3D.In comparison to the movement sequence according to FIGS. 2A and 2B, it can be seen that in the movement sequence according to FIGS. 3A-3D, a full amplitude is already passed through when the motor 22 is rotated through 90°. When setting the vibration device 2 with the motor 22 at the first position P 1 as shown in FIGS. 2A and 2B, a rotation of the motor 22 by 180° is required for passing through an amplitude in comparison therewith. Conversely, this means that the frequency of the pivoting movement in the setting according to FIGS. 3A-3D corresponds to twice the repetition frequency of the pivoting movement in the setting according to FIGS. 2A and 2B. In other words, by positioning the motor at the second position P 2, the frequency of the recurring pivoting movement is doubled at the same motor speed. At the same time, in comparison with the amplitudes A between FIGS. 2B and 3B and between FIGS. 2B and 3D, respectively, it can be seen that the amplitude A of the recurring pivot movement is smaller in the second position P 2 of the motor 22 according to FIGS. 3A to 3D than in the first position P 1 of the motor 22 according to FIGS. 2A and 2B.FIGS. 4A and 4B show a setting of the vibration device 2 in which the motor 22 is displaced into the third position P 3. In this third position P 3, the motor 22 is at a relatively small distance from the bearing arrangement pair 14, 16. In a 3 o'clock position of the first push rod end 30 on the eccentric disk 28 according to FIG. 4A, the second push rod end 32 projects here over an imaginary line between a bearing axis of the second bearing device L 2 and a bearing axis of the fourth bearing device L 4. The push rod 26 thereby forms with the two scissor arms 34, 36 essentially an arrow-shaped arrangement, wherein the angle between the scissor arms 34, 36 is particularly flat. In particular, the angle between the scissor arms 34, 36 in this state of the vibration device 2 is preferably between 160° and 175°.In order to carry out a full amplitude A of the repeated pivoting movement, half a revolution of the motor 22 is required during the setting of the vibration device 2 according to FIGS. 4A and 4B. FIG. 4B thus shows a time at which the first push rod end 30 is arranged at a 9 o'clock position on the eccentric disk 28. In this state, the second push rod end 32 protrudes even further beyond the imaginary line between the second bearing device L 2 and the fourth bearing device L 4, so that an acute angle is formed between the two scissor arms 34, 36 compared to FIG. 4A, which angle is preferably at most 90°. In comparison with the sequences of movements according to FIGS. 2A and 2B and FIGS. 3A-3D, respectively, the greatest amplitude A is reached in the setting of the vibration device 2 in which the motor 22 assumes the third position P 3. The frequency of the repeated pivoting movement in the setting according to FIGS. 4A and 4B corresponds here, at the same engine speed, to the frequency of the setting according to FIGS. 2A and 2B.Alternatively or additionally to the illustrated displaceability of the engine 22 into at least three predefined positions P 1, P 2, P 3, a continuously variable positioning of the engine 22 can also be provided, by means of which in particular the amplitude A can be continuously adjusted.FIG. 5 shows the position of a respective toggle lever mechanism 24 and 24' of the two pairs of bearing arrangements 14 and 16 in the position according to FIG. 4A. As can be seen from FIG. 5, the toggle lever gear 24 of the standing surface element 4 is driven at the first push rod end 30 offset in terms of rotation angle with respect to the first push rod end 30' of the toggle lever gear 24' of the standing surface element 6. As a result, a pivoting movement which is offset or opposite to one another can be generated on the standing surface elements 4 and 6 and simulates a natural movement sequence, such as in particular during walking or running.Alternatively or additionally, the two toggle lever gears 24 of one of the two bearing arrangement pairs 14, 16 can also be driven offset in terms of rotation angle with respect to one another. As a result, the pivoting movement about the transverse axis AQ can be superimposed with a recurrent pivoting movement about the respective longitudinal axis AL, in which in each case two transverse sides Q 1, Q 2 (see FIG. 1 ) of the standing surface elements 4, 6 facing away from one another are moved offset with respect to one another.A particular advantage of the invention is that the repeated pivoting movement has a sinusoidal profile and can be adjusted or changed exclusively by means of mechanical components. This ensures a particularly (joint)-preserving and efficient training of equilibrium sense and muscle groups, in which a habituation effect can be avoided by a recurrent or continuous adjustment of the amplitude and / or the frequency.It is pointed out that all the above-described elements and features of the various embodiments of the subject matter according to the invention can be interchanged or combined with one another, provided that an exchange or a combination thereof is not excluded for technical reasons.

Claims

Vibration device (2) for training and therapeutic applications, comprising a frame (12), at least one footprint element (4; 6) for placing a foot (F) which is held movably on the frame (12) via a bearing arrangement (8; 10), wherein the bearing arrangement (8; 10) comprises a first bearing device (L1) on a first side (S1) of the footprint element (4; 6) and a bearing arrangement pair (14; 16) comprising a second bearing device (L2) and a third bearing device (L3) on a second side (S2) of the footprint element (4; 6), and a movement mechanism driven by a motor (22), by means of which the bearing arrangement (8; 10) on the footprint element (4; is provided with a bearing arrangement pair; In a further embodiment of the invention, the motor (22) is mounted on the frame (12) and / or on the platform element (4; 6) so as to be displaceable, and a distance between the bearing arrangement pair (14; 16) and the motor (22) is adjustable, wherein the amplitude and / or frequency of the recurrent pivoting movement is variable by changing the position of the motor (22).Vibration device (2) according to claim 1, characterised in that the movement mechanism comprises a toggle lever mechanism (24), which is coupled to the bearing arrangement pair (14; 16).The vibration device (2) according to claim 2, characterized in that the toggle lever mechanism (24) has a push rod (26), which is connected in an articulated manner to two scissor arms (30, 32), wherein a first scissor arm (30) is connected in an articulated manner to the standing surface element (4; 6) and a second scissor arm (32) is connected in an articulated manner to the frame (12).Vibration device (2) according to Claim 2 or 3, characterized in that the motor (22) can be displaced in at least three positions (P1, P2, P3) at different distances from the bearing arrangement pair (14; 16), wherein the pivoting movement which can be generated by the motor (22) and the movement mechanism has different amplitudes (A) in at least two of the positions (P1; P2; P3) and different frequencies in at least two of the positions (P1; P2; P3) at the same motor speed.Vibration device (2) according to Claim 4, characterized in that fixing means are provided, by means of which the at least three positions (P1, P2, P3) are predefined and in each of which a releasable fixing of the motor (22) with respect to the frame (12) can be produced.Vibration device (2) according to one of Claims 1 to 4, characterized in that the motor (22) is continuously displaceable.Vibration device (2) according to Claim 6, characterized in that the position of the motor (22) can be changed by means of an actuating drive (38), in particular during the operation of the recurring pivoting movement.Vibration device (2) according to one of the preceding claims, characterized in that at least two standing surface elements (4, 6) are provided, which can each be moved jointly or independently of one another.Vibration device (2) according to claim 8, characterised in that the standing surface elements (4, 6) can be moved by a common motor (22) and / or a common movement mechanism.Vibration device (2) according to claim 8, characterised in that the standing surface elements (4, 6) each have its own motor (22) and / or its own movement mechanism.Vibration device (2) according to claim 10, characterised in that the motors (22) of the standing surface elements (4, 6) are coupled to a common actuating drive (38) for changing the position of the motors (22).Vibration device (2) according to one of Claims 8 to 11, characterized in that each standing surface element (4, 6) has two toggle lever mechanisms (24), the push rods (26) of which together form a pair of push rods, the push rods (26) of a pair of push rods and / or the push rod pairs of two standing surface elements (4, 6) being driven eccentrically by the motor (22) with a rotational angle offset with respect to one another.Vibration device (2) according to one of the preceding claims, characterized in that the movement mechanism is configured such that the recurring pivoting movement has a sinusoidal movement profile.

Images