EP3517684B1 - Compressor roller - Google Patents
Compressor roller Download PDFInfo
- Publication number
- EP3517684B1 EP3517684B1 EP19161465.0A EP19161465A EP3517684B1 EP 3517684 B1 EP3517684 B1 EP 3517684B1 EP 19161465 A EP19161465 A EP 19161465A EP 3517684 B1 EP3517684 B1 EP 3517684B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- disk
- reinforcing
- compactor
- 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 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims 20
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
- E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
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- 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
- E01C19/236—Construction of the rolling elements, e.g. surface configuration, rolling surface formed by endless track
-
- 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 present invention relates to a compacting roller, in particular for a soil compactor with at least one roller divided in the direction of an axis of rotation of the roller, comprising a roller shell surrounding an axis of rotation and elongated in the direction of the axis of rotation and in the roller interior surrounded by the roller shell at least one connected to the roller shell on its inner peripheral surface Roller disc.
- FIG EP 0 945 187 A2 A soil compactor with two such compacting rollers arranged successively in the direction of the axis of rotation of the roller is shown in FIG EP 0 945 187 A2 known.
- the two compressor rollers each have a tubular roller jacket, to the inner circumferential surface of which two axially spaced, essentially identically designed or identically dimensioned roller disks are connected. In their radially inner area, the two roller disks are separated by a for this purpose concentrically arranged hub tube connected to each other. All assemblies to be provided inside the two compressor rollers must be accommodated in the interior surrounded by the two hub tubes.
- a compressor roller according to the preamble of claim 1 is known from the US 4,089,616 A known.
- this object is achieved by a compactor roller, in particular for a soil compactor with at least one roller divided in the direction of a roller axis of rotation, according to claim 1.
- This compactor roller comprises a roller shell surrounding an axis of roller rotation and elongated in the direction of the roller axis of rotation and in the interior of the roller surrounded by the roller shell at least a roller disc connected to the roller shell on its inner peripheral surface.
- Such a first stiffening plate can be easily integrated into the interior of the compacting roller and can counteract deformations of the compacting roller due to its inherent rigidity.
- sufficient rigidity of the compressor roller constructed according to the invention can preferably be achieved thereby achieved that the roller disc has an annular disc body, the disc body extending in the radial direction over at least 50%, preferably at least 60%, of the radial extent of the roller disc, and / or that the stiffening ring has an annular body, the annular body having a shorter radial extent has, as a disc body of the roller disc, and / or extends over less than 50%, preferably less than 30%, of the radial extent of the stiffening ring.
- the ring body can have a greater radial extent in at least two first circumferential regions opposite one another with respect to the roll axis of rotation than in second circumferential regions lying between two first circumferential regions.
- the roller disc can have a thickness of at least 40 mm.
- the at least one first stiffening plate in its second axial end region can each comprise a connecting web connected to the stiffening ring in its two radial end regions.
- the rigidity of a compressor roller constructed in accordance with the invention can be further increased in that the at least one first stiffening plate is connected in its radial end regions to the roller shell on its inner peripheral surface.
- the stiffening assembly comprises two first stiffening plates, the first stiffening plates being provided on both sides of the roller axis of rotation and essentially parallel to one another.
- a substantially symmetrical arrangement of the components of the stiffening assembly is thus made possible with respect to the roll axis of rotation.
- the rigidity of a compressor roller constructed in accordance with the invention is further increased in that the stiffening assembly comprises a second stiffening plate connected to the roller disk, the second stiffening plate not being connected to the stiffening ring, and the second stiffening plate intersecting the axis of rotation of the roller.
- the second stiffening plate is arranged between the first stiffening plates. It can further be provided that the second stiffening plate is not connected to the roll shell.
- the present invention further relates to a soil compactor comprising at least one, preferably two, compacting rollers which follow one another in the direction of the roller axis of rotation and have a structure according to the invention.
- the 1 to 3 show a first embodiment of a compactor roller that can be used in a self-propelled soil compactor with at least one roller divided in the direction of a roller axis of rotation.
- the in the 1 to 3 Compressor roller 10 shown comprises an annular or tubular roller shell 12 which concentrically surrounds a roller axis of rotation A and is elongated in the direction of the roller axis of rotation A.
- a roller disc 18 In a roller interior 14 surrounded by the roller shell 12, a roller disc 18, generally also referred to as a round blank, is arranged near an axial end region 16 of the roller shell 12.
- the in the Fig. 2 and 3rd clearly recognizable roller disc 18 has an annular disc body 20 with a central opening 22.
- the disk body 20 has a radial extent up to the central opening 22 which is at least 50%, is preferably at least 60% of the radius of the roller disk 18, which is generally provided with a circular outer peripheral contour.
- the roller disc 18, which, like essentially all other components or assemblies of the compressor roller 10 shown in the figures, is preferably made of steel material, has a thickness of at least 40 mm.
- a stiffening arrangement in the roller interior 14 according to the invention.
- the stiffening arrangement 28 comprises a stiffening ring 30, which is arranged closer to an axial end region 32 of the roller shell 12 than to the axial end region 16, in the vicinity of which the roller disc 18 is positioned. This in turn means that the roller disc 18 has a greater axial distance from the axial end region 32 of the roller shell 12 than from the axial end region 16 of the same.
- the stiffening ring 30 comprises an annular body 34 which, at two first circumferential regions 36 opposite one another with respect to the axis of rotation of the roll, has a greater radial extension radially inward, starting from its outer circumferential region 38, than in second circumferential regions 40 lying between the first circumferential regions 36. Also in these First circumferential areas 36 with a greater radial extent, the annular body 34 is formed with a radial extent that is smaller than the radial extent of the disk body 20 of the roller disk 18, in particular is less than 50% of the radius of the stiffening ring 30, preferably less than 30% of this radius. It can be seen that the central opening 22 formed in the roller disk 18, starting from the roll rotation axis A, has a significantly smaller radial extension than a central opening 42 formed in the stiffening ring 30.
- the stiffening ring 30 is connected with its outer peripheral region 40, for example by welding, to the inner peripheral surface 26 of the roll shell 12.
- a stiffening assembly generally designated 44, is provided between the roller disc 18 and the stiffening ring 30, .
- This comprises two first stiffening plates 46, which are arranged on both sides of the roll axis of rotation A, extend parallel to one another in the direction of this roll axis of rotation A and are at substantially the same distance from the roll axis of rotation A.
- Each of the first stiffening plates 46 is in a first axial end region 48 of the same to the roller disk 18, for example connected by welding, the two radial end regions 50, 52 of the first stiffening plates 46 lying in the region of the outer peripheral region 24 of the roller disk 18.
- These radial end regions 50, 52 of the first stiffening plates 46 thus extend in the direction of the roll axis of rotation A essentially parallel to the latter along the inner circumferential surface 26 of the roll shell 12 and are connected thereto by welding.
- the first stiffening plates 46 each have a connecting web 56, 58 in their two radial end regions 50, 52.
- Each of the connecting webs 56, 58 approximately has a width which corresponds to the radial extent of the stiffening ring 30 in its second circumferential regions 40.
- first stiffening plates 46 bear with their axial end regions 48, 54 on the roller disk 18 or the stiffening ring 30 a welded connection is produced along the entire contact region, for example provided by essentially continuous interruption Weld seams or weld seam sections or weld spots arranged at a distance from one another.
- first stiffening plates 46 with their radial end regions 50, 52 abut or are connected to the inner circumferential surface 26 of the roller shell 12
- a welded connection is preferably produced over the entire axial extent of the first stiffening plates 46.
- a second stiffening plate 60 is provided between the two first stiffening plates 46. This has a significantly shorter extension in the radial direction as well as in the axial direction than the first stiffening plates 46, so that it is positioned essentially only against the roller disc 18 and is connected in this area to the roller disc 18 by welding.
- the second stiffening plate 60 which could also be designed as a bar, thus does not touch either the stiffening ring 30 or the roller shell 12 and is preferably arranged such that it intersects the axis of rotation A in order to bring about an optimal stiffening of the roller disk 18.
- System areas of this type can include components which serve to drive the rotation of the compression roller 10, as well as components which can be used to generate an oscillating movement or a vibration movement of the compression roller 10.
- FIGS 4 to 6 A type of embodiment of the compressor roller 10 not according to the invention is shown in FIGS 4 to 6 shown. Components which correspond to components described above in terms of structure or function are identified by the same reference numerals.
- the roller disc 18 of the same can be constructed with a thickness of more than 40 mm, in order to thereby generate a substantial stiffening of the compressor roller 10.
- the stiffening arrangement 28 provided for a further stiffening again comprises the stiffening ring 30 arranged closer to the axial end region 32 of the roll shell 12.
- the stiffening assembly 44 connecting the stiffening ring 30 to the roll disk 18 comprises a plurality of circumferentially around the roll rotation axis A, preferably with essentially the same distance stiffening struts 62 arranged in relation to one another.
- Each of these stiffening struts 62 can be designed, for example, as a tube.
- the stiffening struts 62 are connected to the roller disk 18, for example by welding.
- the stiffening struts 62 are connected to the stiffening ring 30, optionally also to the inner peripheral surface 26 of the roller shell 12, by welding.
- the connection to the roller disk 18 takes place near an inner circumferential region 68 thereof, so that the stiffening struts 62, starting from the roller disk 18, extend axially and radially outward in the direction of the stiffening ring 30.
- the stiffening struts 62 therefore have longitudinal struts S which are not parallel to the axis of rotation A of the struts, but which preferably intersect them. Even in the 4 to 6 The embodiment shown is thus left with sufficient construction space for assemblies to be arranged in a very rigid compressor roller 10 in the roller interior 14.
- a split roller to be provided on a soil compactor can have two such in the 1 to 6 Compressor rollers 10 shown, which are preferably identical in construction to each other, are arranged in succession in the direction of a common axis of rotation A and arranged at a small mutual distance.
- Parts of the roller drive assigned to these two compressor rollers 10 can be located in the roller interior 14 of these two compressors 10, whereby this can comprise an independently operable roller drive region for each of the two compressor rollers 10, so that each of the two compressor rollers 10 can preferably be driven to rotate independently of the other compressor roller and that, furthermore, preferably each of the two compressor rollers can be set into an oscillating movement or / and a vibrating movement independently of the respective other compressor roller. Because of the very rigid construction of the compressor rollers 10 constructed according to the invention, there is essentially no risk of excessive deformation of the compressor rollers.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Road Paving Machines (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
Die vorliegende Erfindung betrifft eine Verdichterwalze, insbesondere für einen Bodenverdichter mit wenigstens einer in Richtung einer Walzendrehachse geteilten Walze, umfassend einen eine Walzendrehachse umgebenden und in Richtung der Walzendrehachse langgestreckten Walzenmantel und in dem vom dem Walzenmantel umgebenen Walzeninnenraum wenigstens eine mit dem Walzenmantel an seiner Innenumfangsfläche verbundene Walzenscheibe.The present invention relates to a compacting roller, in particular for a soil compactor with at least one roller divided in the direction of an axis of rotation of the roller, comprising a roller shell surrounding an axis of rotation and elongated in the direction of the axis of rotation and in the roller interior surrounded by the roller shell at least one connected to the roller shell on its inner peripheral surface Roller disc.
Bei Bodenverdichtern mit geteilten Walzen, also Walzen, welche in Richtung einer Walzendrehachse aufeinanderfolgend wenigstens zwei um eine gemeinsame Walzendrehachse drehbare Verdichterwalzen umfassen, besteht insbesondere dann, wenn derartigen Verdichterwalzen Systeme zugeordnet sind, mit welchen der Drehbewegung dieser Verdichterwalzen um ihre Walzendrehachse eine Oszillationsbewegung, also eine periodische Hin- und Her-Bewegung bzw. - Beschleunigung in Umfangsrichtung überlagert werden kann, die Gefahr, dass das Betriebsverhalten beeinträchtigende Schwingungen der beiden Verdichterwalzen bezüglich einander, insbesondere Schwingungen um eine Längsachse bzw. eine Höhenachse eines mit derartigen Verdichterwalzen aufgebauten Bodenverdichters, erzeugt werden. Derartige Schwingungen können zu einem gegenseitigen Anstoßen der Verdichterwalzen aneinander mit entsprechender Geräuschentwicklung und auch zu Beschädigungen der Verdichterwalzen bzw. von Aufhängungsbauteilen für die Verdichterwalzen führen.In the case of soil compactors with divided rollers, that is to say rollers which comprise at least two compressor rollers which can be rotated in succession in the direction of a roller axis of rotation, there is in particular when such compressor rollers are assigned systems with which the rotary movement of these compressor rollers about their roller axis of rotation has an oscillating movement, that is to say one Periodic back-and-forth movement or acceleration can be superimposed in the circumferential direction, the risk that vibrations of the two compacting rollers with respect to one another, in particular vibrations about a longitudinal axis or a vertical axis of a soil compactor constructed with such compacting rollers, are generated. Such vibrations can lead to a mutual abutment of the compressor rollers with corresponding noise and also damage to the compressor rollers or to suspension components for the compressor rollers.
Ein Bodenverdichter mit zwei derartigen in Richtung der Walzendrehachse aufeinanderfolgend angeordneten Verdichterwalzen ist aus der
Eine Verdichterwalze gemäß dem Oberbegriff des Anspruchs 1 ist aus der
Es ist die Aufgabe der vorliegenden Erfindung, eine Verdichterwalze, insbesondere für einen Bodenverdichter mit wenigstens einer in Richtung einer Walzendrehachse geteilten Walze, vorzusehen, bei welcher bei einfacher konstruktiver Ausgestaltung das Auftreten eines ungünstigen Schwingungsverhaltens vermieden wird.It is the object of the present invention to provide a compacting roller, in particular for a soil compactor with at least one roller divided in the direction of a roller axis of rotation, in which the occurrence of an unfavorable vibration behavior is avoided with a simple structural design.
Erfindungsgemäß wird diese Aufgabe gelöst durch eine Verdichterwalze, insbesondere für einen Bodenverdichter mit wenigstens einer in Richtung einer Walzendrehachse geteilten Walze, gemäß Anspruch 1. Diese Verdichterwalze umfasst einen eine Walzendrehachse umgebenden und in Richtung der Walzendrehachse langgestreckten Walzenmantel und in dem vom dem Walzenmantel umgebenen Walzeninnenraum wenigstens eine mit dem Walzenmantel an seiner Innenumfangsfläche verbundene Walzenscheibe.According to the invention, this object is achieved by a compactor roller, in particular for a soil compactor with at least one roller divided in the direction of a roller axis of rotation, according to claim 1. This compactor roller comprises a roller shell surrounding an axis of roller rotation and elongated in the direction of the roller axis of rotation and in the interior of the roller surrounded by the roller shell at least a roller disc connected to the roller shell on its inner peripheral surface.
Diese Verdichterwalze zeichnet sich dadurch aus,
- dass in Zuordnung zu der Walzenscheibe eine Versteifungsanordnung mit einem im Walzeninnenraum in axialem Abstand zu der Walzenscheibe angeordneten, mit dem Walzenmantel an seiner Innenumfangsfläche verbundenen Versteifungsring und einer mit der Walzenscheibe und dem Versteifungsring verbundenen Versteifungsbaugruppe vorgesehen ist, und
- dass die Versteifungsbaugruppe wenigstens eine bezüglich der Walzendrehachse exzentrisch angeordnete erste Versteifungsplatte umfasst, wobei die wenigstens eine erste Versteifungsplatte in einem ersten axialen Endbereich mit der Walzenscheibe verbunden ist und in einem zweiten axialen Endbereich mit dem Versteifungsring verbunden ist.
- that a stiffening arrangement is provided in association with the roller disc with a stiffening ring arranged in the interior of the roller at an axial distance from the roller disc, connected to the roller shell on its inner circumferential surface, and a stiffening assembly connected to the roller disc and the stiffening ring, and
- that the stiffening assembly comprises at least one first stiffening plate arranged eccentrically with respect to the axis of rotation of the roller, the at least one first stiffening plate being connected to the roller disk in a first axial end region and connected to the stiffening ring in a second axial end region.
Durch das Bereitstellen einer Versteifungsanordnung mit einem Versteifungsring und einer diesen mit der Walzenscheibe verbindenden Versteifungsbaugruppe bei einer für andere Systembereiche im Inneren der Verdichterwalze ausreichend Bauraum belassenden Ausgestaltung das Auftreten von zu Schwingungen führenden Verformungen der Verdichterwalze unterbunden werden.The provision of a stiffening arrangement with a stiffening ring and a stiffening assembly connecting it to the roller disk in a design that leaves sufficient space for other system areas inside the compressor roller prevents the occurrence of deformations of the compressor roller that lead to vibrations.
Eine derartige erste Versteifungsplatte kann in einfacher Art und Weise in den Innenraum der Verdichterwalze integriert werden und kann aufgrund ihrer inhärenten Steifigkeit Verformungen der Verdichterwalze entgegenwirken.Such a first stiffening plate can be easily integrated into the interior of the compacting roller and can counteract deformations of the compacting roller due to its inherent rigidity.
Eine unter Berücksichtigung der Notwendigkeit, die Verdichterwalze an eine Aufhängung anbinden zu müssen, und der Notwendigkeit, im Inneren einer derartigen Verdichterwalze Bauraum für weitere Systembereiche, beispielsweise einer zur Erzeugung einer Oszillationsbewegung vorgesehenen Unwuchtmassenanordnung, zu belassen, ausreichende Steifigkeit der erfindungsgemäß aufgebauten Verdichterwalze kann vorzugsweise dadurch erreicht werden, dass die Walzenscheibe einen ringartigen Scheibenkörper aufweist, wobei der Scheibenkörper sich in radialer Richtung über wenigstens 50%, vorzugsweise wenigstens 60%, der Radialerstreckung der Walzenscheibe erstreckt, oder/und dass der Versteifungsring einen Ringkörper aufweist, wobei der Ringkörper eine kürzere Radialerstreckung aufweist, als ein Scheibenkörper der Walzenscheibe, oder/und sich über weniger als 50%, vorzugsweise weniger als 30%, der Radialerstreckung des Versteifungsrings erstreckt.Taking into account the need to connect the compressor roller to a suspension and the need to leave space inside such a compressor roller for further system areas, for example an imbalance mass arrangement provided for generating an oscillating movement, sufficient rigidity of the compressor roller constructed according to the invention can preferably be achieved thereby achieved that the roller disc has an annular disc body, the disc body extending in the radial direction over at least 50%, preferably at least 60%, of the radial extent of the roller disc, and / or that the stiffening ring has an annular body, the annular body having a shorter radial extent has, as a disc body of the roller disc, and / or extends over less than 50%, preferably less than 30%, of the radial extent of the stiffening ring.
Zur Erhöhung der Steifigkeit kann der Ringkörper in wenigstens zwei bezüglich der Walzendrehachse einander gegenüberliegenden ersten Umfangsbereichen eine größere Radialerstreckung aufweisen, als in zwischen zwei ersten Umfangsbereichen liegenden zweiten Umfangsbereichen.In order to increase the rigidity, the ring body can have a greater radial extent in at least two first circumferential regions opposite one another with respect to the roll axis of rotation than in second circumferential regions lying between two first circumferential regions.
Die Walzenscheibe kann eine Dicke von wenigstens 40 mm aufweisen. Durch das Bereitstellen einer vergleichsweise dicken Walzenscheibe wird die Verdichterwalze in sich versteift, so dass das Entstehen von zu Schwingungen führenden Verformungen einer derartigen Verdichterwalze weitestgehend vermieden wird.The roller disc can have a thickness of at least 40 mm. By providing a comparatively thick roller disk, the compressor roller is stiffened in itself, so that the formation of deformations of such a compressor roller leading to vibrations is largely avoided.
Zur Verbindung einer derartigen ersten Versteifungsplatte mit dem Versteifungsring kann die wenigstens eine erste Versteifungsplatte in ihrem zweiten axialen Endbereich in ihren beiden radialen Endbereichen jeweils einen mit dem Versteifungsring verbundenen Verbindungssteg umfassen.To connect such a first stiffening plate to the stiffening ring, the at least one first stiffening plate in its second axial end region can each comprise a connecting web connected to the stiffening ring in its two radial end regions.
Die Steifigkeit einer erfindungsgemäß aufgebauten Verdichterwalze kann dadurch weiter erhöht werden, dass die wenigstens eine erste Versteifungsplatte in ihren radialen Endbereichen mit dem Walzenmantel an seiner Innenumfangsfläche verbunden ist.The rigidity of a compressor roller constructed in accordance with the invention can be further increased in that the at least one first stiffening plate is connected in its radial end regions to the roller shell on its inner peripheral surface.
Das Auftreten von Unwuchten im Rotationsbetrieb einer Verdichterwalze wird erfindungsgemäß dadurch verhindert, dass die Versteifungsbaugruppe zwei erste Versteifungsplatten umfasst, wobei die ersten Versteifungsplatten beidseits der Walzendrehachse und zueinander im Wesentlichen parallel vorgesehen sind. Es wird somit bezüglich der Walzendrehachse eine im Wesentlichen symmetrische Anordnung der Komponenten der Versteifungsbaugruppe ermöglicht.According to the invention, the occurrence of imbalances in the rotational operation of a compressor roller is prevented in that the stiffening assembly comprises two first stiffening plates, the first stiffening plates being provided on both sides of the roller axis of rotation and essentially parallel to one another. A substantially symmetrical arrangement of the components of the stiffening assembly is thus made possible with respect to the roll axis of rotation.
Die Steifigkeit einer erfindungsgemäß aufgebauten Verdichterwalze wird weiter dadurch erhöht, dass die Versteifungsbaugruppe eine mit der Walzenscheibe verbundene zweite Versteifungsplatte umfasst, wobei die zweite Versteifungsplatte nicht dem Versteifungsring verbunden ist, und wobei die zweite Versteifungsplatte die Walzendrehachse schneidet. Dabei ist die zweite Versteifungsplatte zwischen den ersten Versteifungsplatten angeordnet. Ferner kann vorgesehen sein, dass die zweite Versteifungsplatte nicht mit dem Walzenmantel verbunden ist.The rigidity of a compressor roller constructed in accordance with the invention is further increased in that the stiffening assembly comprises a second stiffening plate connected to the roller disk, the second stiffening plate not being connected to the stiffening ring, and the second stiffening plate intersecting the axis of rotation of the roller. The second stiffening plate is arranged between the first stiffening plates. It can further be provided that the second stiffening plate is not connected to the roll shell.
Die vorliegende Erfindung betrifft ferner einen Bodenverdichter, umfassend wenigstens eine, vorzugsweise zwei in Richtung der Walzendrehachse aufeinanderfolgende Verdichterwalzen mit erfindungsgemäßem Aufbau.The present invention further relates to a soil compactor comprising at least one, preferably two, compacting rollers which follow one another in the direction of the roller axis of rotation and have a structure according to the invention.
Die vorliegende Erfindung wird nachfolgend mit Bezug auf die beiliegenden Figuren detailliert beschrieben. Es zeigt:
- Fig. 1
- eine perspektivische Ansicht einer Verdichterwalze;
- Fig. 2
- eine Walzenscheibe mit Versteifungsplatten;
- Fig. 3
- die Baugruppe der
Fig. 2 in Verbindung mit einem Versteifungsring; - Fig. 4
- eine der
Fig. 1 entsprechende Ansicht einer nicht erfindungsgemäßen Ausgestaltungsart einer Verdichterwalze; - Fig. 5
- eine Walzenscheibe mit Versteifungsstreben;
- Fig. 6
- die Baugruppe der
Fig. 5 in Verbindung mit einem Versteifungsring.
- Fig. 1
- a perspective view of a compressor roller;
- Fig. 2
- a roller disc with stiffening plates;
- Fig. 3
- the assembly of the
Fig. 2 in connection with a stiffening ring; - Fig. 4
- one of the
Fig. 1 corresponding view of an embodiment of a compressor roller not according to the invention; - Fig. 5
- a roller disc with stiffening struts;
- Fig. 6
- the assembly of the
Fig. 5 in connection with a stiffening ring.
Die
Die in den
Um die Verdichterwalze 10 mit ausreichend hoher Steifigkeit bereitzustellen, weist die Walzenscheibe 18, welche, ebenso wie im Wesentlichen alle anderen Bauteile bzw. Baugruppen der in den Figuren dargestellten Verdichterwalze 10, vorzugsweise aus Stahlmaterial aufgebaut ist, eine Dicke von wenigstens 40 mm auf. Eine derart große Dicke der Walzenscheibe 18, über welche die Verdichterwalze 10 an einen Walzenantrieb angebunden sein kann, führt selbst dann, wenn nur in einem einem axialen Endbereich 16 des Walzenmantels 12 nahe liegenden Bereich der Verdichterwalze 10 eine derartige Walzenscheibe 18 vorgesehen ist, zu einer derart hohen Steifigkeit, dass im Drehbetrieb unter den insbesondere bei Auftreten von durch einen entsprechenden Mechanismus erzeugten Oszillationsbewegungen hervorgerufenen Kräften eine Verformung der Verdichterwalze 10 im Wesentlichen ausgeschlossen werden kann.In order to provide the
Um die Verdichterwalze 10 mit ausreichend hoher Steifigkeit bereitzustellen, kann ist erfindungsgemäß im Walzeninnenraum 14 eine allgemein mit 28 bezeichnete Versteifungsanordnung vorgesehen. In dem in den
Der Versteifungsring 30 umfasst einen Ringkörper 34, der an zwei bezüglich der Walzendrehachse A einander gegenüberliegenden ersten Umfangsbereichen 36, ausgehend von seinem Außenumfangsbereich 38, eine größere Radialerstreckung nach radial innen aufweist, als in zwischen den ersten Umfangsbereichen 36 liegenden zweiten Umfangsbereichen 40. Auch in diesen ersten Umfangsbereichen 36 mit größerer Radialerstreckung ist der Ringkörper 34 mit einer Radialerstreckung ausgebildet, die kleiner ist, als die Radialerstreckung des Scheibenkörpers 20 der Walzenscheibe 18, insbesondere kleiner ist als 50% des Radius des Versteifungsrings 30, vorzugsweise kleiner ist als 30% dieses Radius. Man erkennt, dass die in der Walzenscheibe 18 ausgebildete zentrale Öffnung 22, ausgehend von der Walzendrehachs A, eine deutlich kleinere Radialerstreckung aufweist, als eine im Versteifungsring 30 ausgebildete zentrale Öffnung 42.The stiffening
Der Versteifungsring 30 ist mit seinem Außenumfangsbereich 40 beispielsweise durch Verschweißung an die Innenumfangsfläche 26 des Walzenmantels 12 angebunden.The stiffening
Zwischen der Walzenscheibe 18 und dem Versteifungsring 30 ist eine allgemein mit 44 bezeichnete Versteifungsbaugruppe vorgesehen. Diese umfasst zwei beidseits der Walzendrehachse A angeordnete, in Richtung dieser Walzendrehachse A sich parallel zueinander erstreckende und zur Walzendrehachse A im Wesentlichen den gleichen Abstand aufweisende erste Versteifungsplatten 46. Jede der ersten Versteifungsplatten 46 ist in einem ersten axialen Endbereich 48 derselben an die Walzenscheibe 18 beispielsweise durch Verschweißung angebunden, wobei die beiden radialen Endbereiche 50, 52 der ersten Versteifungsplatten 46 im Bereich des Außenumfangsbereichs 24 der Walzenscheibe 18 liegen. Somit erstrecken sich diese radialen Endbereiche 50, 52 der ersten Versteifungsplatten 46 in Richtung der Walzendrehachse A im Wesentlichen parallel zu dieser entlang der Innenumfangsfläche 26 des Walzenmantels 12 und sind an diesen durch Verschweißung angebunden.Between the
In ihren an den Versteifungsring 30 anschließenden zweiten axialen Endbereichen 54 weisen die ersten Versteifungsplatten 46 in ihren beiden radialen Endbereichen 50, 52 jeweils einen Verbindungssteg 56, 58 auf. Jeder der Verbindungsstege 56, 58 weist näherungsweise eine Breite auf, die der radialen Erstreckung des Versteifungsrings 30 in seinen zweiten Umfangsbereichen 40 entspricht. Mit den beiden Verbindungsstegen 56, 58 sind die ersten Versteifungsplatten 46 an den Versteifungsring 30 durch Verschweißung angebunden. Es sei hier darauf hingewiesen, dass vorzugsweise dort, wo die ersten Versteifungsplatten 46 mit ihren axialen Endbereichen 48, 54 an der Walzenscheibe 18 bzw. dem Versteifungsring 30 anliegen, jeweils entlang des gesamten Anlagebereichs eine Schweißverbindung hergestellt ist, beispielsweise bereitgestellt durch im Wesentlichen unterbrechungsfrei durchlaufende Schweißnähte oder mit Abstand zueinander angeordnete Schweißnahtabschnitte oder Schweißpunkte. Auch dort, wo die ersten Versteifungsplatten 46 mit ihren radialen Endbereichen 50, 52 an der Innenumfangsfläche 26 des Walzenmantels 12 anliegen bzw. damit verbunden sind, ist vorzugsweise über die gesamte axiale Erstreckung der ersten Versteifungsplatten 46 eine Schweißverbindung hergestellt.In their second
Zwischen den beiden ersten Versteifungsplatten 46 ist eine zweite Versteifungsplatte 60 vorgesehen. Diese weist sowohl in radialer Richtung, als auch in axialer Richtung eine deutlich kürzere Erstreckung auf, als die ersten Versteifungsplatten 46, so dass sie im Wesentlichen nur an der Walzenscheibe 18 anliegend positioniert ist und in diesem Bereich mit der Walzenscheibe 18 durch Verschweißung verbunden ist. Die zweite Versteifungsplatte 60, welche auch als Balken ausgebildet sein könnte, berührt somit weder den Versteifungsring 30, noch den Walzenmantel 12 und ist vorzugsweise derart angeordnet, dass sie zur Herbeiführung einer optimalen Versteifung der Walzenscheibe 18 die Drehachse A schneidet.A
Durch das Bereitstellen der beiden ersten Versteifungsplatten 46 sowie der zweiten Versteifungsplatten 60 und des Versteifungsrings 30 im Walzeninnenraum 26 wird bei einer substantiellen Versteifung der Verdichterwalze 10 ausreichend Bauraum belassen für Systembereiche, die im Walzeninnenraum 26 anzuordnen sind. Derartige Systembereiche können sowohl Komponenten umfassen, die dem Drehantrieb der Verdichterwalze 10 dienen, als auch Komponenten, die zur Erzeugung einer Oszillationsbewegung oder einer Vibrationsbewegung der Verdichterwalze 10 eingesetzt werden können.By providing the two
Eine nicht erfindungsgemäße Ausgestaltungsart der Verdichterwalze 10 ist in den
Auch bei der in den
Eine an einem Bodenverdichter vorzusehende geteilte Walze kann zwei derartige in den
Claims (8)
- A compactor roller, in particular for a soil compactor with at least one roller divided in the direction of a roller rotary axis, comprising a roller shell (12) surrounding a roller rotary axis (A) and longitudinally extended in the direction of the roller rotary axis (A), and at least one roller disk (18) connected to the roller shell (12) at its inner circumferential surface (26) in the inner roller space (14) surrounded by the roller shell (12), wherein- a reinforcing arrangement (28) with a reinforcing ring (30) arranged in the inner roller space (14) at an axial interval to the roller disk (18) and connected to the roller jacket (12) on its inner circumferential surface (26), and with a reinforcing structural group (44) connected to the roller disk (18) and to the reinforcing ring (30) is provided associated with the roller disk (18),
and- wherein the reinforcing structural group (44) comprises two first reinforcing plates (46) which are arranged eccentrically in relation to the roller rotary axis (A), wherein the first reinforcing plates (46) are provided on both sides of the roller rotary axis (A) and essentially parallel to each other and are connected to the roller disk (18) in a first axial end area (48) and are connected to the reinforcing ring (30) in a second axial end area (54),characterized in that the reinforcing structural group (44) comprises a second reinforcing plate (60) connected to the roller disk (18), arranged between the first reinforcing plates (46) and, wherein the second reinforcing plate (60) is not connected to the reinforcing ring (30), and wherein the second reinforcing plate (60) intersects the rotary roller axis (A). - The compactor roller according to Claim 1,
characterized in that the roller disk (18) comprises an annular disk body (20), wherein the disk body (20) extends in a radial direction over at least 50%, preferably at least 60% of the radial extension of the roller disk (18), and/or that the reinforcing ring (30) comprises an annular body (34), wherein the annular body (34) has a shorter radial extension than a disk body (20) of the roller disk (18) and/or extends over less than 50%, preferably less than 30% of the radial extension of the reinforcing ring (30). - The compactor roller according to Claim 1 or 2,
characterized in that the ring body (34) has a greater radial extension in at least two first circumferential areas (36) opposite one another relative to the rotary roller axis (A) than in second circumferential areas (40) located between two first circumferential areas (36). - The compactor roller according to one of the preceding claims,
characterized in that the roller disk (18) has a thickness of at least 40 mm. - The compactor roller according to one of the preceding claims,
characterized in that the at least one first reinforcing plate (46) comprises in its second axial end area (54) at its two radial end areas (50, 52) a respective connection web (56, 58) connected to the reinforcing ring (30). - The compactor roller according to one of the preceding claims,
characterized in that the at least one first reinforcing plate (46) is connected in its radial end areas (50, 52) to the roller jacket (12) at its inside circumferential surface (26). - The compactor roller according to one of the preceding claims,
characterized in that the second reinforcing plate (60) is not connected to the roller jacket (12). - A soil compactor, comprising at least one, preferably two compactor rollers (10) in accordance with one of the preceding claims following each other in the direction of the rotary roller axis (A).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016125927.6A DE102016125927A1 (en) | 2016-12-30 | 2016-12-30 | compressor roll |
EP17206933.8A EP3342931B1 (en) | 2016-12-30 | 2017-12-13 | Compressor roller |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17206933.8A Division-Into EP3342931B1 (en) | 2016-12-30 | 2017-12-13 | Compressor roller |
EP17206933.8A Division EP3342931B1 (en) | 2016-12-30 | 2017-12-13 | Compressor roller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3517684A1 EP3517684A1 (en) | 2019-07-31 |
EP3517684B1 true EP3517684B1 (en) | 2020-06-17 |
Family
ID=60673498
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19161465.0A Active EP3517684B1 (en) | 2016-12-30 | 2017-12-13 | Compressor roller |
EP17206933.8A Active EP3342931B1 (en) | 2016-12-30 | 2017-12-13 | Compressor roller |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17206933.8A Active EP3342931B1 (en) | 2016-12-30 | 2017-12-13 | Compressor roller |
Country Status (3)
Country | Link |
---|---|
US (1) | US10501903B2 (en) |
EP (2) | EP3517684B1 (en) |
DE (1) | DE102016125927A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110565532A (en) * | 2019-09-19 | 2019-12-13 | 泉州市泉港区玛纳利华工业科技有限公司 | Be applied to bridge engineering's rammer compactor |
DE102019132917A1 (en) * | 2019-12-04 | 2021-06-10 | Hamm Ag | Tillage roller |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109208435A (en) * | 2018-10-31 | 2019-01-15 | 安徽科信矿山机械制造有限公司 | A kind of mining site mud scraper for roller |
DE102018132379A1 (en) * | 2018-12-17 | 2020-06-18 | Hamm Ag | Tillage roller |
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DE306894C (en) * | 1916-07-29 | 1918-07-23 | Paul Bernhardt | ROLLER BODIES FOR MOOR AND ROAD ROLLERS |
US4089616A (en) * | 1977-05-06 | 1978-05-16 | Iowa Manufacturing Company | Vibratory split roll |
US4105356A (en) * | 1977-05-19 | 1978-08-08 | Koehring Corporation | Vibratory roller |
US4362431A (en) * | 1981-05-14 | 1982-12-07 | Caterpillar Tractor Co. | Vibrating apparatus for vibratory compactors |
EP0089386A1 (en) * | 1982-03-19 | 1983-09-28 | Losenhausen Maschinenbau AG& Co Kommanditgesellschaft | Vibrating roller with split roll |
US5769507A (en) * | 1995-10-19 | 1998-06-23 | Terra Compactor Wheel Corp. | Compactor wheel axle guard system |
US5951123A (en) * | 1998-01-15 | 1999-09-14 | Caterpillar Inc. | Guard assembly for a wheel |
DE29805361U1 (en) | 1998-03-25 | 1998-06-04 | Bomag GmbH, 56154 Boppard | Vibration compactor |
US6095717A (en) * | 1999-04-23 | 2000-08-01 | Al-Jon | Compaction wheel having replaceable cleats |
US20020114667A1 (en) * | 2001-02-01 | 2002-08-22 | Kaldenberg James A. | Compactor wheel |
US6561729B1 (en) * | 2001-12-14 | 2003-05-13 | Caterpillar Paving Products Inc. | Compacting drum for a work machine |
US20040012244A1 (en) * | 2002-07-17 | 2004-01-22 | Waterman Terry M. | Device to protect vehicle wheels and axles from debris |
SE526893C2 (en) * | 2004-03-19 | 2005-11-15 | Dynapac Compaction Equip Ab | Device for vibrating a roller |
JP4880921B2 (en) * | 2005-06-03 | 2012-02-22 | 酒井重工業株式会社 | Rolling roller and road surface rolling method |
US20170089019A1 (en) * | 2014-06-05 | 2017-03-30 | Volvo Construction Equipment Ab | Construction machine having a sand shield |
-
2016
- 2016-12-30 DE DE102016125927.6A patent/DE102016125927A1/en not_active Withdrawn
-
2017
- 2017-12-13 EP EP19161465.0A patent/EP3517684B1/en active Active
- 2017-12-13 EP EP17206933.8A patent/EP3342931B1/en active Active
- 2017-12-27 US US15/855,269 patent/US10501903B2/en active Active
Non-Patent Citations (1)
Title |
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None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110565532A (en) * | 2019-09-19 | 2019-12-13 | 泉州市泉港区玛纳利华工业科技有限公司 | Be applied to bridge engineering's rammer compactor |
DE102019132917A1 (en) * | 2019-12-04 | 2021-06-10 | Hamm Ag | Tillage roller |
Also Published As
Publication number | Publication date |
---|---|
US20180187388A1 (en) | 2018-07-05 |
US10501903B2 (en) | 2019-12-10 |
EP3342931B1 (en) | 2020-04-08 |
EP3517684A1 (en) | 2019-07-31 |
DE102016125927A1 (en) | 2018-07-05 |
EP3342931A1 (en) | 2018-07-04 |
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