EP2390416B1 - Dispositif de vibration pour appareil de compactage du sol et appareil de compactage du sol - Google Patents
Dispositif de vibration pour appareil de compactage du sol et appareil de compactage du sol Download PDFInfo
- Publication number
- EP2390416B1 EP2390416B1 EP11004265.2A EP11004265A EP2390416B1 EP 2390416 B1 EP2390416 B1 EP 2390416B1 EP 11004265 A EP11004265 A EP 11004265A EP 2390416 B1 EP2390416 B1 EP 2390416B1
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- EP
- European Patent Office
- Prior art keywords
- exciter
- weight
- rotation
- shaft
- axis
- 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.)
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- 239000002689 soil Substances 0.000 title claims description 11
- 230000007306 turnover Effects 0.000 claims description 17
- 230000005284 excitation Effects 0.000 description 15
- 238000005056 compaction Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—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
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/074—Vibrating apparatus operating with systems involving rotary unbalanced masses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18344—Unbalanced weights
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18544—Rotary to gyratory
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18544—Rotary to gyratory
- Y10T74/18552—Unbalanced weight
Definitions
- the invention relates to a vibration exciter (or a device for vibration excitation) for a soil compaction device.
- the invention further relates to a soil compacting device with at least one such vibration exciter.
- a generic vibration exciter and a Bodenverdichtungs réelle equipped hereby are for example from the US Pat. No. 7,059,802 B1 known.
- the compaction rollers are subjected to vibrations in the compression mode.
- the vibration is generated by one (or by several) vibration exciter.
- a vibration exciter comprises an exciting shaft driven in rotation about a rotation axis, on which a so-called exciter weight (exciter mass) is arranged eccentrically.
- exciter weight also means the structural totality of exciter weight and exciter wave, unless stated otherwise. Due to the eccentricity caused by unbalance usable vibrations are generated for the compression.
- the envelope weight On the exciter shaft further at least one so-called envelope weight is arranged, which is also formed eccentrically (ie, the center of gravity is outside the axis of rotation).
- the envelope weight is rotatably decoupled relative to the exciter shaft and the exciter weight arranged thereon or rotatable about an axis of rotation and can assume different angular positions in one, for example by stops, limited rotational range relative to the exciter weight.
- the axis of rotation of the exciter shaft with the exciter weight and the axis of rotation of the envelope weight relative to the exciter weight are coaxial with each other.
- the envelope weights are repetitively carried along by the rotating exciter shaft by means of a pin (or the like) from a lower position to a kinematic envelope point at which the envelope weights gravitationally tip over and from the opposite side to a stop provided therefor of the Apply the exciter shaft or the exciter weight.
- the envelope weight may thus occupy a position depending on the direction of rotation of the exciter shaft in which the mass of the envelope weight in the rotational movement added to the exciter weight, whereby the oscillation amplitude is increased, and another position in which the mass of the envelope weight of the mass counteracts the exciter weight , whereby the oscillation amplitude is reduced.
- the arrangement of exciter weight and envelope weight in the vibration exciter thus makes it possible to better regulate the vibration intensity of the vibration exciter.
- a disadvantage of the vibration exciters known from the prior art is in particular the uncontrolled rebounding of the envelope weights when striking. Another and often associated disadvantage is that often no unambiguous handling of the handling weight takes place.
- the envelope weight can take an indifferent position in the known arrangements. As a result, for example, the position in which the envelope weight is added to the exciter weight can not be reliably guaranteed or the maximum amplitude of the exciter unit can not be achieved. As a result, the maximum compaction power of the compacting machine can not be provided.
- the CH 537 217 A discloses a device for varying the Studttel within a Haittelwelle, which is provided with two axially staggered centrifugal weights, one of which is fixedly connected to the Studttelwelle.
- the DE 27 55 075 A1 describes an unbalance exciter with a first and a second unbalance body.
- the first imbalance body has a hole eccentrically offset by a dimension "e" whose longitudinal axis is aligned parallel to the longitudinal axis of the imbalance body and which serves to receive a drive shaft therein.
- the object of the invention is to develop a vibration exciter of the type in question such that the disadvantages associated with the prior art are avoided or at least significantly reduced.
- the envelope weight relative to the exciter weight according to the invention does not pivot concentrically to the axis of rotation of the exciter shaft.
- the envelope weight is rather pivotable on a relative to the axis of rotation of the exciter shaft eccentric rotation path relative to the exciter weight.
- the arrangement according to the invention also facilitates the switching over of the direction of rotation of the oscillation arrangement.
- the two axes of rotation may indeed lie in relation to one another in such a way that they intersect at one point or are skewed relative to one another.
- the axes of rotation of the exciter shaft and of the at least one turnup weight are oriented parallel to one another. With this arrangement of the two axes of rotation each other optimum results can be obtained.
- this embodiment is characterized by a comparatively simple mountability.
- the axial offset of the two axes of rotation to each other is also ideally chosen in such a way that its position-stabilizing effect on the positioning of the envelope weight against the exciter weight on the two outer adjustment positions almost equally strong.
- the axis of rotation of the at least one envelope weight is offset by a defined value with respect to the axis of rotation of the exciter shaft or of the exciter weight, wherein this value is dimensioned as an inwardly pointing distance on the bisector of the envelope angle.
- the axial offset can basically be varied over a wide range. However, the positive effect of the invention already occurs at a relatively small axial offset.
- a comparatively small axial offset also has the advantage that the vibration generator according to the invention can still be kept compact in its construction. Excellent results are thus achieved when the distance of the axes of rotation on the bisecting line in the range of 1 to 15 Millimeters, and preferably in the range of 1.5 to 10 millimeters, especially 2 to 5 millimeters.
- the distance is measured in the plane which is cut perpendicularly at least from the axis of rotation of the exciter shaft.
- the vibration exciter has exactly one excitation weight.
- This excitation weight is preferably formed integrally with the exciter shaft.
- the assembly and maintenance of the entirety of the exciter shaft and exciter weight or the vibration exciter is considerably simplified.
- the number of turnover weights per exciter wave can also vary. According to the invention it is preferred if the vibration exciter has exactly one envelope weight. Particularly preferably, it is further provided that the vibration generator has only one envelope weight and only one exciter weight.
- the axial offset of the two axes of rotation can be achieved in different ways.
- One possibility for example, is to provide a bearing ring on the exciter shaft, which has an eccentrically arranged with respect to the axis of rotation of the exciter shaft inner jacket, on which finally the envelope weight is performed.
- a corresponding journal is guided at the envelope weight in or through the bearing ring on the exciter shaft.
- This bearing ring may be rotatably connected to the exciter shaft or, preferably, be integrally formed with the exciter shaft. If the bearing ring is an independent component, the variant according to the invention can, for example, also be retrofitted comparatively easily in a conventional exciter with coaxial axes of rotation. Overall, a hub connection or a hub bearing is thus obtained in this way.
- a hub connection comprising a bearing hub or bearing pin and a bearing eye, provided for storage of the envelope weight on the exciter weight be.
- the journal at the envelope weight is absorbed in this embodiment in an eye in the exciter weight.
- the eye is in the form of a hole.
- This embodiment is also particularly easy to install, since the envelope weight can be pushed directly onto the exciter weight and is then stabilized by the exciter weight itself in its position along the axis of rotation or in the axial direction at least in one direction.
- the envelope weight has, at least at one axial end, a bearing ring which is particularly preferably formed integrally with the envelope weight and into which a corresponding journal on the structural unit of exciter weight and exciter shaft is guided or passed.
- the envelope weight is not stored alone on a bearing on the structural unit of exciter and exciter shaft, but over several camps, especially two.
- the two bearings can be constructed to the same, so that, for example, two coaxial with each other and in the axial direction one behind the other pins on Umtschmati are present, each engaging in a corresponding recess on the structural unit of exciter shaft and exciter weight.
- differently constructed bearings can be combined with each other in a vibration exciter according to the invention.
- the envelope weight in the axial direction of the parallel axes of rotation coming from the engine initially engages around a bearing ring on the exciter shaft with eccentric outer shaft to the axis of rotation of the exciter shaft and behind in the axial direction with a pin whose axis is coaxial with the longitudinal axis of the bearing ring, in engages a hole in the structural unit of exciter shaft and exciter weight.
- This special arrangement prevents particularly easy axial displacement of the envelope weight against the assembly of exciter shaft and exciter weight and can be mounted quickly and easily by pushing the envelope weight on this unit at the same time.
- the bearing ring of the envelope weight is arranged in the axial direction of the axis of rotation of the exciter shaft directly between a drive-side bearing and a stop on the exciter weight or on the exciter shaft. In the axial direction, the envelope weight is thus fixed in position between the stop and the drive-side bearing.
- This embodiment is advantageous in that additional fixing means for axially securing the envelope weight are not required.
- the exciter shaft is further preferred not to form the exciter shaft continuously, but Hergliedrig.
- this is thus interrupted at least once between its two outer ends lying in the axial direction, so that a release is obtained between the individual members.
- the individual members of the exciter shaft are connected to one another via the excitation weight, which may also be multi-membered, if necessary.
- This release also serves in particular to simplify the assembly, since thereby postponing the envelope weight on the structural unit of exciter weight and handling weight is simplified. In addition, this arrangement allows a particularly favorable weight distribution.
- the turn-over angle for the handling weight is in the range of 120 ° to 200 °, and is preferably approximately 130 °.
- the envelope angle is determined in the plane perpendicular to the axis of rotation of the envelope weight with respect to the exciter shaft or relative to the exciter weight and is determined by the two maximum pivot positions of the envelope weight relative to the exciter weight and the exciter shaft.
- a motor which is connected directly (eg via a flange connection or splined shaft connection) or indirectly (that is to say via at least one drive intermediate piece) to the exciter shaft.
- a motor is in particular a hydraulic motor.
- the axis of rotation of the motor with the axis of rotation of the exciter shaft is aligned or coaxial, to allow the most direct and thus structurally simple transmission of the drive power of the motor to the exciter shaft.
- a soil compaction device comprising at least one vibration exciter according to the invention.
- a soil compaction device is z.
- a hand-held roller device or a roller device with a driver's cab wherein at least one compression bandage of this soil compaction device by means of at least one inventive Vibration exciter can be acted upon by vibrations.
- a roller device may, for example, be a so-called trench roller.
- Fig. 1 shows a vibration exciter 100 according to the invention in a perspective view.
- the vibration exciter 100 includes an exciter weight 120 that is integrally formed with a partially visible exciter shaft 110 and an envelope weight 130.
- the exciter weight 120 and the exciter shaft 110 together form a structural unit.
- the vibration generator 100 further includes a motor 140, which in the present embodiment is actually a hydraulic motor.
- the motor 140 is coupled in alignment with the exciter shaft 110.
- the common axis of rotation is denoted by D g .
- the exciter weight 120 or the excitation ground 120 is arranged eccentrically, so that vibrations that are usable in a deliberate manner are generated when rotating about the axis of rotation D g .
- the entire vibration exciter 100 may be attached via the flange 150 to a housing, not shown, or the like.
- the exciter shaft 110 driven by the motor 140 is supported by a rolling bearing 160, which also causes a rotational decoupling with respect to the stationary housing (not visible).
- the envelope weight 130 is rotatably mounted relative to the exciter weight 120 on the one-piece unit of exciter shaft 110 and exciter weight 120 via two bearings 131 and 132 arranged one behind the other in the axial direction of the axes of rotation D g and D u .
- the bearings 131 and 132 may be referred to as the front bearing 131 and the rear bearing 132 with respect to the motor 140 in the axial direction. Further details of the two bearings 131 and 132 are in the FIGS. 3a and 3b seen.
- Fig. 3a shows concretely the envelope weight 130 and Fig. 3b the structural unit of exciter weight 120 and exciter shaft 110.
- the dashed arrows in the FIGS. 3a and 3b Indicate how the envelope weight 130 is pushed onto the structural unit of exciter weight 120 and exciter shaft 110 in the pre-assembly.
- the envelope weight 130 comprises a cross-section annular segment-like Umtschmasse 137 with a surface stop 134, a driver 133 with the surface stop 134 in the direction of rotation D u opposite surface stop 136, and a bearing ring 135 in the region of the front bearing 131, wherein the bearing ring 135 coaxial with the axis of rotation D u formed hollow cylindrical inner shell 172 has.
- a cylindrical bearing journal 180 is also provided, wherein the cylinder axis of the bearing journal 180 is also coaxial with the axis of rotation D u .
- the structural unit of exciter weight 120 and exciter shaft 110 has according to Fig. 3b the likewise ring segment-like excitation ground 120.
- a cylindrical bearing surface 128 is also provided, the cylinder axis of which extends next to the axis of rotation D g and coaxial with the axis of rotation D u .
- the motor 140 is followed by a front drive pin 126, which is finally connected to the motor 140 and mounted in the installed state in the rolling bearing 160.
- the axis of this cylindrical bearing pin runs in contrast to the bearing surface 128 coaxial with the axis of rotation D g .
- annular stop 129 adjoins the bearing surface 128 on the exciter shaft 110, which protrudes over the bearing surface 128 in the radial direction.
- a receiving eye in the form of a bore. This is followed by the coaxial with the axis of rotation D g trained bearing pin 125 finally connects.
- a stop surface 121 and a stop surface 121 in the direction of rotation of the exciter shaft 110 opposite stop surface 124 is present.
- Fig. 3b further illustrates that the excitation shaft 110 is not formed continuously along the rotation axis D g , but has a front member 110 a and a rear member 110 b, which are separated by a release F in the axial direction.
- This release F greatly facilitates the assembly of the envelope weight 130 with the exciter weight assembly 120 and exciter shaft 110, as will be described in more detail below.
- the release F also results in substantially no mass being arranged in the axial space between the front bearing point 131 and the rear bearing point 132, as a result of which, in addition, a weight distribution which is advantageous with regard to vibration generation is obtained.
- the front bearing 131 includes in the assembled state integrally formed with the exciter shaft 110 bearing journal with the cylindrical outer shell 128.
- the longitudinal axis D u of this outer jacket 128 is offset from the axis of rotation D g of the exciter shaft 110.
- the envelope weight 130 is connected to the bearing ring 135 on the outer shell 128th stored, so that the outer shell 128 is in contact with the inner shell 172.
- the exciter shaft 110 is thus guided through the envelope weight 130 in this area.
- the envelope weight 130 is secured to the motor 140 directly through the rolling bearing 160 adjacent thereto.
- the annular stop 126 is present in the axial direction on the exciter shaft 120, projecting radially in the axial direction with respect to the recess in the envelope weight 130, so that the envelope weight abuts directly against the stop 126 of the exciter shaft 110 during a displacement in the axial direction away from the motor.
- Separate securing means against an axial displacement of the envelope weight 130 with respect to the unit of exciter shaft 110 and exciter weight 120 are thus not required.
- the rear bearing 132 has a different structure. There is the journal 180 of the envelope weight 130 in the bore (in Fig. 3b not visible) and thus protrudes into the structural unit of exciter shaft 110 and excitation ground 120 in this area.
- the excitation weight 120 is rotationally driven by the motor 140 via the exciter shaft 110.
- the motor 140 in the "small amplitude" mode drives the rotation of the excitation shaft 110 about the axis of rotation D g in the direction of rotation U.
- the excitation weight is pivoted from the position shown in the figures in the direction of rotation U, wherein the envelope weight 130 gravitationally to a bottom dead center (T) initially in the direction of rotation U or nachschwenkt. If the envelope weight reaches its bottom dead center (T), it no longer pivots with the exciter weight 120 with, until the surface stop 121 of the exciter weight 120 at a certain angle of rotation (rotation angle of the exciter shaft) abuts the abutment surface 136 on the driver 133 of the envelope weight 130, whereupon the envelope weight 130 out of its bottom dead center against the force of gravity in the direction of rotation U taken along or mitverschwenkt.
- T bottom dead center
- the effect of the invention lies in the fact that the relative positioning of the envelope weight 130 relative to the exciter weight 120 is stabilized by the inventive axis offset of the axes of rotation D g and D u and counteracts an indifferent positioning of the envelope weight.
- the envelope weight 130 thus has a different or offset axis of rotation D u , as the exciter shaft D g .
- the envelope weight 130 has the rotational axis D u , which is different from the exciter shaft 110 or from the exciter weight 120 and which is offset in the axial direction relative to the axis of rotation D g or lies alongside it.
- the two axes of rotation D g and D u thus do not extend coaxially with each other.
- the two axes of rotation D g and D u are also parallel to each other.
- the sectional view in Fig. 2 illustrates the position of the two axes of rotation D g and D u to each other, the section in the region of the front bearing point 131 extends (cutting plane perpendicular to the axis of rotation D g and D u ).
- the envelope weight 130 is rotatably mounted on the exciter shaft 110 at this bearing point 131 in the region of its front (first) axial end on the axis of rotation D u eccentric with respect to the axis of rotation Dg of the exciter shaft 110 via its bearing ring 135 with the inner sliding surface 172.
- the circle K indicates the position of the drive pin 126, which is not actually visible in this illustration, with respect to the cylindrical bearing surface 128. It can easily be seen that the axis of rotation D g of the exciter shaft 110 or of the drive journal 126 and the axis of rotation D u of the envelope weight 130 are not aligned, but offset in the axial direction.
- the adjacent or off-axis arrangement of the axes of rotation D g and D u ultimately leads to the fact that the axis of rotation D u of the envelope weight 130 moves in a circular path about the stationary axis of rotation D g of the exciter shaft 110. Due to the defined spacing of the two axes of rotation D g and D u (ie, the two axes of rotation D g and D u are offset by a defined value), in particular it is ensured that, starting at a specific angle of rotation, the envelope weight 130 after folding reliably abuts against the surface stop 124 (FIG. at large amplitude) and at the surface stop 121 (at small amplitude) of the exciter weight 120 is pressed.
- the defined spacing of the two axes of rotation D g and D u is dimensioned as an inwardly pointing distance on the bisector of the envelope angle, as described below in connection with the Fig. 4 explained in more detail.
- the center of mass m of the handling weight 130 moves on a circular path K about the pivot point or about the axis of rotation D u .
- the turnover of the turnover weight 130 takes place between O and T.
- the envelope angle is exemplarily about 180 °.
- the dashed lines bisecting the envelope angle is indicated by N.
- the axis of rotation D u is on the bisector N relative to the axis of rotation D g by the value e inwardly (with respect to the opening of the envelope angle, ie, as shown to the left) offset.
- the value e can be determined on a case-by-case basis using the formulas below.
- the calculations are based on the assumption that on the Envelope weight 130 or its mass m two significant forces and resulting moments M Re and M friction act. As soon as the restoring moment M ramp becomes greater than the friction moment M Reib , the envelope weight 130 goes inexorably to its respective stop.
- FIGS. 5a to 5c show various sectional views of the vibration exciter 100.
- the section taken along the line AA through the rear bearing 132 through and perpendicular to the axes of rotation D g and D u , so that the axes of rotation D g and D u are visible only as points.
- the section along the line BB takes place through the front bearing 131 and perpendicular to the axes of rotation D g and D u . This corresponds to the in Fig. 5b shown view of in Fig. 2 shown perspective sectional view.
- Fig. 5b shown view of in Fig. 2 shown perspective sectional view.
- 5c a sectional view taken along the line CC, wherein the cutting plane is also perpendicular to the axes of rotation D g and D u and viewed in the axial direction, ie in the direction of the axes of rotation D g and D u , directly between the one axial end of the envelope weight 130 and the rolling bearing 160 is arranged.
- the received by the rolling bearing 160 drive pin 126 of the exciter shaft 110 and the excitation weight 120 is directly from the drive unit, ie the motor 140 (not visible here), driven in rotation, wherein the direction of rotation of the motor 140 and thus the exciter shaft 110 significantly for the height of generated imbalance is.
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Architecture (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
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Claims (9)
- Générateur de vibrations (100) pour un compacteur de sol, comprenant :- un arbre (110) de générateur qui est rotatif autour d'un axe de rotation (Dg) et sur lequel est disposée au moins une masse (120) du générateur, et- au moins une masse (130) à rotation qui est montée de manière à être rotative par rapport à l'arbre (110) du générateur,dans lequel ladite au moins une masse à rotation peut être entraînée en rotation autour d'un axe (Du), dans lequel l'axe de rotation (Dg) de l'arbre (110) du générateur et l'axe de rotation (Du) de ladite au moins une masse (130) à rotation sont décalées latéralement l'une par rapport à l'autre d'une valeur définie (e), ladite valeur définie (e) étant mesurée comme la distance pointant vers l'intérieur sur la bissectrice de l'angle de braquage, et la distance (e) étant comprise dans une plage de 1 à 15 millimètres.
- Générateur de vibrations (100) selon la revendication 1, caractérisé en ce que les axes de rotation (Dg ; Du) de l'arbre (110) du générateur et ladite au moins une masse (130) à rotation sont parallèles.
- Générateur de vibrations (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que la distance (e) est comprise dans une plage de 1,5 à 10 millimètres.
- Générateur de vibrations (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que la masse (120) du générateur est formée d'une seule pièce avec l'arbre (110) du générateur.
- Générateur de vibrations (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que ladite au moins une masse à rotation est montée, au moins à une extrémité axiale (132), par l'intermédiaire d'un coussinet de palier (180), sur la masse (120) du générateur.
- Générateur de vibrations (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que ladite au moins une masse à rotation est montée, au moins à une extrémité axiale (131), par l'intermédiaire d'une bague de roulement (135), directement sur la masse (120) du générateur.
- Générateur de vibrations (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que la bague de roulement (135) de la masse (130) à rotation est disposée dans la direction axiale de l'axe de rotation (Dg) de l'arbre (110) du générateur, directement entre un palier (160) côté entraînement et une butée (129) sur la masse du générateur.
- Générateur de vibrations (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'angle de braquage pour la masse (130) de rotation est compris dans une plage de 120° à 200°, et de manière préférée est d'environ 130°.
- Dispositif de compactage du sol comprenant au moins un générateur de vibrations (100) selon l'une quelconque des revendications précédentes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010021961A DE102010021961A1 (de) | 2010-05-28 | 2010-05-28 | Schwingungserreger für ein Bodenverdichtungsgerät und Bodenverdichtungsgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2390416A2 EP2390416A2 (fr) | 2011-11-30 |
EP2390416A3 EP2390416A3 (fr) | 2015-08-19 |
EP2390416B1 true EP2390416B1 (fr) | 2017-11-22 |
Family
ID=44259844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11004265.2A Active EP2390416B1 (fr) | 2010-05-28 | 2011-05-24 | Dispositif de vibration pour appareil de compactage du sol et appareil de compactage du sol |
Country Status (4)
Country | Link |
---|---|
US (1) | US8590408B2 (fr) |
EP (1) | EP2390416B1 (fr) |
CN (1) | CN102418336B (fr) |
DE (1) | DE102010021961A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8919215B2 (en) * | 2011-03-07 | 2014-12-30 | Roger C. Keith | Orbital motion attachment with counterweight for angle die grinder |
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2010
- 2010-05-28 DE DE102010021961A patent/DE102010021961A1/de not_active Ceased
-
2011
- 2011-05-24 EP EP11004265.2A patent/EP2390416B1/fr active Active
- 2011-05-26 US US13/116,184 patent/US8590408B2/en active Active
- 2011-05-27 CN CN201110239986.4A patent/CN102418336B/zh active Active
Non-Patent Citations (1)
Title |
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Also Published As
Publication number | Publication date |
---|---|
DE102010021961A1 (de) | 2012-04-19 |
EP2390416A3 (fr) | 2015-08-19 |
US20110290048A1 (en) | 2011-12-01 |
EP2390416A2 (fr) | 2011-11-30 |
CN102418336A (zh) | 2012-04-18 |
US8590408B2 (en) | 2013-11-26 |
CN102418336B (zh) | 2014-09-24 |
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