EP3346057B1 - Soil working roller - Google Patents
Soil working roller Download PDFInfo
- Publication number
- EP3346057B1 EP3346057B1 EP17208521.9A EP17208521A EP3346057B1 EP 3346057 B1 EP3346057 B1 EP 3346057B1 EP 17208521 A EP17208521 A EP 17208521A EP 3346057 B1 EP3346057 B1 EP 3346057B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- bars
- soil working
- rotation
- 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 36
- 238000003971 tillage Methods 0.000 description 38
- 230000002093 peripheral effect Effects 0.000 description 17
- 239000000758 substrate Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/127—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
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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
- E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
- E01C19/266—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles fitted to vehicles, road-construction or earth-moving machinery, e.g. auxiliary roll readily movable to operative position ; provided with means for facilitating transport; Means for transporting rollers; Arrangements or attachments for converting vehicles into rollers, e.g. rolling sleeves for wheels
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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
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/281—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows propelled by hand or by vehicles, e.g. towed
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
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- 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
- 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
Definitions
- the present invention relates to a cultivating roller for a soil cultivation machine, comprising a roll shell which is elongated in the direction of a roll rotation axis and surrounds a roller interior, with a substantially circular outer circumferential surface, wherein a ground crusher formation is provided on the outer circumferential surface of the roll shell.
- Such tillage rollers are used on tillage machines, which are generally constructed in the form of so-called soil compactor, used to a solid ground, such. B. a concrete substrate to break.
- Known tillage roller comprises on the outer circumference of a roller shell formed with a substantially circular outer circumferential surface a plurality of change holders, which are fixed to the outer peripheral surface of the roll shell and to which a roll tool, such as. As a chisel can be attached.
- the change holders are arranged in a plurality of juxtaposed in the direction of a roll axis rings with substantially the same circumferential distance from each other, the arranged in adjacent rings change holder and, accordingly, to be determined thereon roller tools are arranged offset from each other in the circumferential direction.
- One from the DE 10 2014 201 240 A1 Known tillage roller has on the outer peripheral surface of the roll shell a plurality of in the direction of the roll rotation axis with the same distance from each other arranged cutting rings with a substantially V- or blade-shaped cross-section.
- the US 4,523,873 discloses a soil cultivating roller having a soil crusher formation provided on the outer peripheral surface of a roller shell.
- This known technological formation comprises a plurality of successive in the direction of the roll rotation axis in zigzag configuration designed strips, which are primarily for breaking rocks, less suitable for breaking through continuous concrete slabs.
- the EP 2 142 706 B1 discloses a cultivating roller with approximately square, that is not substantially circular outer peripheral contour. Distributed at a plurality of circumferential positions, crushing elements are provided which, due to the non-circular outer peripheral contour, periodically strike the substrate during a rotational movement of this soil cultivating roller and can thereby break it.
- a tillage roller according to the preamble of claim 1 is known from AU 2016 201 595 A1 known.
- a cultivating roller for a soil cultivating machine according to claim 1.
- This comprises a roller shell which is elongate in the direction of a roller rotational axis and surrounds a roller interior with a substantially circular outer peripheral contour, wherein a ground crater formation is provided on an outer circumferential surface of the roller shell.
- the groundbreaker formation comprises a plurality of blow bars extending substantially in the direction of the roll rotation axis along the roll shell, and a plurality of break bars extending substantially circumferentially about the roll rotation axis along the roll shell.
- the break strips in circumferentially about the roll rotation axis adjacent to each other spaces between each two circumferentially adjacent blow bars are offset in the direction of the roll axis of rotation to each other. Ensure the crushed bars offset in the axial direction a defined lateral guide for the tillage roller, but without introducing a rail guide effect, whereby the steerability of a equipped with such a tillage machine tillage machine is maintained.
- the lattice-like pattern-generating blow bars and crushing ridges ensures that in tillage operation, so for example when breaking a concrete surface to be reared, segments are broken out of the substrate to be broken according to the lattice-like pattern below by other machines, such as excavators or wheel loader, can be easily removed.
- the substantially circumferentially extending crushing bars ensure that a substantially uniform rolling motion performing tillage roller is guided defined on the ground to be crushed and not prone to lateral drift, especially if the ground transverse to the direction of travel of a equipped with such a tillage machine tillage machine is inclined.
- the blow bars are arranged in the circumferential direction about the roller rotation axis with substantially the same circumferential distance from each other.
- the circumferential distance may be in the range of 40 cm to 60 cm, preferably about 50 cm.
- a very robust structure of the blow bars can be provided for example by having a substantially rectangular, preferably square cross-section, wherein preferably a cross-sectional dimension of the blow bars in the range of 40 mm x 40 mm.
- the Blow bars extending in the direction of the roll axis of rotation substantially uninterrupted along the roll shell.
- a uniform machining of the surface to be broken up can also be assisted by the fact that at least the breaking strips arranged in a gap between circumferentially adjacent blow bars, preferably the break strips arranged in each intermediate space between circumferentially adjacent blow bars, follow each other along the roll rotation axis with substantially equal axial spacing are arranged.
- the crushing bars of one of the two circumferentially adjacent spaces with respect to the crushing bars of the other of the two circumferentially adjacent spaces in the direction of the roll axis of rotation are arranged substantially centrally.
- a defined side guide for the cultivating roller with preserved controllability and uniform soil working behavior can be supported according to a further advantageous aspect that the crushing bars in each second circumferentially successive spaces between each two circumferentially adjacent impact bars in the direction of the roll axis substantially no offset to each other.
- An improved contribution of the crushing bars for breaking up a substrate to be processed with substantially unimpaired rolling motion of such a cultivating roller can be achieved by an outer circumferential area of at least a part of, preferably all, crushing bars lying essentially on a circular path concentrically surrounding the roller rotational axis, or / and that in an outer peripheral region of at least a part of, preferably all break strips at least one depression is formed.
- a maximum radial protrusion height of at least a part of, preferably all of the blow bars over the outer peripheral surface of the roll shell is greater than a maximum radial protrusion height of at least a portion of, preferably all crushing bars on the outer peripheral surface of the roll shell.
- a vibration arrangement for generating a vibration of the soil working roll which can be superimposed on the roll rotational axis be arranged in the roll interior.
- Such a vibration is a periodic up and down movement or acceleration of the cultivating roller, ie a movement or acceleration substantially in the vertical direction.
- the tillage roller thus beats periodically on the ground to be crushed.
- the invention further relates to a soil cultivating machine, comprising at least one cultivating roller constructed according to the invention rotatably supported on a machine frame about a roller rotational axis.
- the Fig. 1 shows a side view of a tillage machine 10.
- the tillage machine 10 includes a rear carriage 12, to which a in the Fig. 1 not shown drive unit and driven by this drive wheels 14 are provided.
- a driver's cab 16 an operator operating the tillage machine 10 can take a seat.
- a front of the tillage machine 10, generally designated 18, includes a machine frame 20 pivotally supported on the rear cart 12 for directing the tillage machine 10, to which a tilling roller 22 about a plane of the drawing Fig. 1 vertical roller rotation axis is rotatably supported.
- the tillage machine 10 moves in the forward direction or in the reverse direction, ie in FIG Fig. 1 either to the left or to the right, to edit or crush a substrate to be processed 24, for example, a concrete slab to be reared.
- a vibratory assembly, generally designated 26 may be provided having at least one imbalance mass 28 rotatable about an imbalance axis for rotation about the rotational movement of the cultivating roller 22 about its roller axis of rotation, ie vibration or acceleration substantially in the vertical direction overlap.
- the vibration assembly 26 in Fig. 1 is shown only schematically and of course in the roll interior of the tillage roller 22 is to be arranged at a suitable position with the appropriate system components.
- the in the Fig. 2 to 5 Tillage roller 22 shown in more detail is rotatable about a roller rotation axis D in the tillage operation.
- the tilling roller 22 comprises a circular cylindrical roller shell 30 having an outer circumferential surface 32.
- the roller shell 30 surrounds a roller interior 34, in which one or more roller discs 36 can be arranged to rotatably support the soil tillage roller 22 on the machine frame 18.
- the already mentioned Bodenbrecherformation 38 is provided on the outer peripheral surface 32 of the roll shell 30, the already mentioned Bodenbrecherformation 38 is provided.
- This comprises a plurality of blow bars 40, which extend in parallel to the roll rotation axis D and are fixed on the outer peripheral surface 32, for example by welding.
- the blow bars 40 arranged successively in the circumferential direction about the roller rotation axis D preferably have a substantially uniform circumferential distance U, which may be in the range of 40 cm to 60 cm, preferably about 50 cm. It should be pointed out here that the circumferential distance U may be the clear distance between two impact strips 40 adjacent to one another in the circumferential direction and thus essentially the circumferential extent of a gap 42 formed between two impact strips 40 adjacent in the circumferential direction.
- one-piece trained blow bars 40 may have a substantially rectangular, preferably square cross-sectional profile with a cross-sectional area of about 40 mm x 40 mm. Also recognizable in the figures rectangular cross-sectional profile with greater extent in the radial direction than in the circumferential direction is possible.
- each have a plurality of crushing bars 44 are arranged.
- the break strips 44 arranged in a respective intermediate space 42 extend along the outer circumference or the outer circumferential surface 32 of the roll shell 30 in the circumferential direction, ie substantially perpendicular to the blow bars 42.
- a circumferential extension length of the break strips 44 preferably corresponds to the circumferential extension of a respective intermediate space 42.
- the breaking strips 44 thus adjoin the impact strips 40 with their circumferential ends, preferably substantially without leaving a distance to the blow bars 44 delimiting a respective intermediate space 42.
- crushing strips 44 arranged in mutually directly adjacent intermediate spaces 42 are offset with respect to one another in the direction of the roll rotation axis D.
- the offset is such that the arranged in one of the interstices 42 crushing bars 44 in the direction of the roll axis D are substantially centered with respect to the arranged in the other of the interstices 42 breakers 44, so that also in Fig. 3 recognizable pattern results, in which arranged in every other of the interstices 42 crushing bars 44 continue each other in the circumferential direction substantially, ie have no axial offset from one another.
- the clear distance A between arranged in a respective gap crushing bars 44 is in the range of about 70 cm, so that in which in the Fig. 2 to 5 illustrated embodiment may result in an arrangement in which in each second space 42 three breaker bars 44 are arranged, one of which is located in the axially central region of the roll shell 30, while the other two are disposed close to the respective axial end portion of the roll shell 30, while in the other interstices 42 are each arranged two break strips 44, which, as already mentioned, have an axial offset with respect to the arranged in the two immediately adjacent spaces 42 crushing bars 44, which corresponds approximately to half of the axial distance A between respective crushing bars 44.
- the blow bars 40 have a greater maximum radial extent, starting from the outer peripheral surface 32 of the roll shell 30, as the circumferentially extending crushing bars 44.
- the crushing bars 44 a substantially concentric to a circular line around the roller rotation axis D corresponding outer peripheral contour.
- two circumferentially spaced depressions 46 are provided in the crushing bars 44, preferably each near the peripheral end regions of a respective crushing bar 44.
- a Bodenbrecherformation 38 is provided, which is particularly suitable for breaking concrete floors.
- the tilling roller 22 periodically comes into contact with the beater bars 40 successively provided in the circumferential direction successively with the ground to be broken.
- the break strips 44 lie in a space 42 formed between two blow bars 40 on the ground, in particular with their circumferentially between two depressions 46 positioned peripheral center regions 48.
- the measures provided for on the outer circumference of the roll mantle 30 beater bars 40 and crush bars 44 could of course be arranged with a different pattern.
- the arrangement of the blow bars 40 with substantially the same circumferential distance from each other is particularly advantageous.
- it could also be provided a circumferentially varying distance.
- crushing bars must be provided in each case with the same axial distance.
- the crushing strips could be arranged alternately with a smaller axial spacing than in the interspaces 42 provided on both sides.
- a variation of the axial spacing of the crushing strips could also be provided within a respective intermediate space, wherein to obtain the in Fig. 6 recognizable, substantially equal-sized segments 52 of the crushed substrate 24 in the Fig. 2 to 5 shown substantially uniform, grid-like pattern is particularly advantageous.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Road Repair (AREA)
- Soil Working Implements (AREA)
- Earth Drilling (AREA)
- Road Paving Machines (AREA)
- Crushing And Pulverization Processes (AREA)
Description
Die vorliegende Erfindung betrifft eine Bodenbearbeitungswalze für eine Bodenbearbeitungsmaschine, umfassend einen in Richtung einer Walzendrehachse langgestreckten, einen Walzeninnenraum umgebenden Walzenmantel mit einer im Wesentlichen kreisrunden Außenumfangsfläche, wobei an der Außenumfangsfläche des Walzenmantels eine Bodenbrecherformation vorgesehen ist.The present invention relates to a cultivating roller for a soil cultivation machine, comprising a roll shell which is elongated in the direction of a roll rotation axis and surrounds a roller interior, with a substantially circular outer circumferential surface, wherein a ground crusher formation is provided on the outer circumferential surface of the roll shell.
Derartige Bodenbearbeitungswalzen werden an Bodenbearbeitungsmaschinen, die im Allgemeinen nach Art so genannter Bodenverdichter aufgebaut sind, eingesetzt, um einen festen Untergrund, wie z. B. einen Betonuntergrund, zu zerbrechen.Such tillage rollers are used on tillage machines, which are generally constructed in the form of so-called soil compactor, used to a solid ground, such. B. a concrete substrate to break.
Eine aus der
Eine aus der
Die
Die
Eine Bodenbearbeitungswalze gemäß dem Oberbegriff des Anspruchs 1 ist aus der
Es ist die Aufgabe der vorliegenden Erfindung, eine Bodenbearbeitungswalze für eine Bodenbearbeitungsmaschine bereitzustellen, welche eine verbesserte Eignung zum Zerbrechen von festem Untergrund, insbesondere Betonuntergrund, aufweist.It is the object of the present invention to provide a soil tillage roller for a tillage machine, which has an improved suitability for breaking solid ground, in particular concrete substrate.
Erfindungsgemäß wird diese Aufgabe gelöst durch eine Bodenbearbeitungswalze für eine Bodenbearbeitungsmaschine gemäß Anspruch 1. Diese umfasst einen in Richtung einer Walzendrehachse langgestreckten, einen Walzeninnenraum umgebenden Walzenmantel mit einer im Wesentlichen kreisrunden Außenumfangskontur, wobei an einer Außenumfangsfläche des Walzenmantels eine Bodenbrecherformation vorgesehen ist.According to the invention, this object is achieved by a cultivating roller for a soil cultivating machine according to
Die Bodenbrecherformation umfasst eine Mehrzahl von im Wesentlichen in Richtung der Walzendrehachse sich entlang des Walzenmantels erstreckenden Schlagleisten und eine Mehrzahl von im Wesentlichen in Umfangsrichtung um die Walzendrehachse sich entlang des Walzenmantels erstreckenden Brechleisten.The groundbreaker formation comprises a plurality of blow bars extending substantially in the direction of the roll rotation axis along the roll shell, and a plurality of break bars extending substantially circumferentially about the roll rotation axis along the roll shell.
Die Brechleisten in in Umfangsrichtung um die Walzendrehachse einander benachbarten Zwischenräumen zwischen jeweils zwei in Umfangsrichtung einander benachbarten Schlagleisten sind in Richtung der Walzendrehachse zueinander versetzt. Die in axialer Richtung zueinander versetzten Brechleisten gewährleisten eine definierte seitliche Führung für die Bodenbearbeitungswalze, ohne jedoch einen Schienenführungseffekt einzuführen, wodurch die Lenkbarkeit einer mit einer derartigen Bodenbearbeitungswalze ausgestatteten Bodenbearbeitungsmaschine erhalten bleibt.The break strips in circumferentially about the roll rotation axis adjacent to each other spaces between each two circumferentially adjacent blow bars are offset in the direction of the roll axis of rotation to each other. Ensure the crushed bars offset in the axial direction a defined lateral guide for the tillage roller, but without introducing a rail guide effect, whereby the steerability of a equipped with such a tillage machine tillage machine is maintained.
Durch das Bereitstellen der ein gitterartiges Muster erzeugenden Schlagleisten und Brechleisten wird einerseits gewährleistet, dass im Bodenbearbeitungsbetrieb, also beispielsweise beim Zerbrechen einer rückzubauenden Betonfläche, entsprechend dem gitterartigen Muster Segmente aus dem zu zerbrechenden Untergrund herausgebrochen werden, die nachfolgend durch weitere Maschinen, wie zum Beispiel Bagger oder Radlader, leicht entfernt werden können. Andererseits gewährleisten insbesondere die im Wesentlichen in Umfangsrichtung sich erstreckenden Brechleisten, dass die eine im wesentlichen gleichmäßige Abrollbewegung durchführende Bodenbearbeitungswalze auf dem zu zerbrechenden Untergrund definiert geführt ist und nicht zum seitlichen Abdriften neigt, insbesondere wenn der Untergrund quer zur Fortbewegungsrichtung einer mit einer derartigen Bodenbearbeitungswalze ausgestatteten Bodenbearbeitungsmaschine geneigt ist.By providing the lattice-like pattern-generating blow bars and crushing ridges on the one hand ensures that in tillage operation, so for example when breaking a concrete surface to be reared, segments are broken out of the substrate to be broken according to the lattice-like pattern below by other machines, such as excavators or wheel loader, can be easily removed. On the other hand, in particular the substantially circumferentially extending crushing bars ensure that a substantially uniform rolling motion performing tillage roller is guided defined on the ground to be crushed and not prone to lateral drift, especially if the ground transverse to the direction of travel of a equipped with such a tillage machine tillage machine is inclined.
Um einen gleichmäßigen Bearbeitungsbetrieb sicherstellen zu können, wird vorgeschlagen, dass die Schlagleisten in Umfangsrichtung um die Walzendrehachse mit im Wesentlichen gleichem Umfangsabstand zueinander angeordnet sind. Beispielsweise kann der Umfangsabstand im Bereich von 40 cm bis 60 cm, vorzugsweise bei etwa 50 cm liegen.In order to ensure a uniform machining operation, it is proposed that the blow bars are arranged in the circumferential direction about the roller rotation axis with substantially the same circumferential distance from each other. For example, the circumferential distance may be in the range of 40 cm to 60 cm, preferably about 50 cm.
Eine sehr robuste Struktur der Schlagleisten kann beispielsweise dadurch bereitgestellt werden, dass diese einen im Wesentlichen rechteckigen, vorzugsweise quadratischen Querschnitt aufweisen, wobei vorzugsweise eine Querschnittsabmessung der Schlagleisten im Bereich von 40 mm x 40 mm liegt.A very robust structure of the blow bars can be provided for example by having a substantially rectangular, preferably square cross-section, wherein preferably a cross-sectional dimension of the blow bars in the range of 40 mm x 40 mm.
Um ein vollständiges Aufbrechen des zu bearbeitenden Untergrunds, wie zum Beispiel einer Betonplatte, gewährleisten zu können, wird vorgeschlagen, dass die Schlagleisten sich in Richtung der Walzendrehachse im Wesentlichen unterbrechungsfrei entlang des Walzenmantels erstrecken.In order to ensure complete rupture of the substrate to be processed, such as a concrete slab, it is proposed that the Blow bars extending in the direction of the roll axis of rotation substantially uninterrupted along the roll shell.
Eine gleichmäßige Bearbeitung des aufzubrechenden Untergrunds kann ferner dadurch unterstützt werden, dass wenigstens die in einem Zwischenraum zwischen in Umfangsrichtung einander benachbarten Schlagleisten angeordneten Brechleisten, vorzugsweise die in allen Zwischenräumen zwischen in Umfangsrichtung einander benachbarten Schlagleisten angeordneten Brechleisten, entlang der Walzendrehachse mit im Wesentlichen gleichem Axialabstand zueinander angeordnet sind.A uniform machining of the surface to be broken up can also be assisted by the fact that at least the breaking strips arranged in a gap between circumferentially adjacent blow bars, preferably the break strips arranged in each intermediate space between circumferentially adjacent blow bars, follow each other along the roll rotation axis with substantially equal axial spacing are arranged.
Insbesondere kann vorgesehen sein, dass die Brechleisten von einem der beiden in Umfangsrichtung einander benachbarten Zwischenräume bezüglich der Brechleisten des anderen der beiden in Umfangsrichtung einander benachbarten Zwischenräume in Richtung der Walzendrehachse im Wesentlichen mittig angeordnet sind.In particular, it can be provided that the crushing bars of one of the two circumferentially adjacent spaces with respect to the crushing bars of the other of the two circumferentially adjacent spaces in the direction of the roll axis of rotation are arranged substantially centrally.
Eine definierte Seitenführung für die Bodenbearbeitungswalze bei erhaltener Lenkbarkeit und gleichmäßigem Bodenbearbeitungsverhalten kann gemäß einem weiteren vorteilhaften Aspekt dadurch unterstützt werden, dass die Brechleisten in jedem zweiten der in Umfangsrichtung aufeinander folgenden Zwischenräume zwischen jeweils zwei in Umfangsrichtung einander benachbarten Schlagleisten in Richtung der Walzendrehachse im Wesentlichen keinen Versatz zueinander aufweisen.A defined side guide for the cultivating roller with preserved controllability and uniform soil working behavior can be supported according to a further advantageous aspect that the crushing bars in each second circumferentially successive spaces between each two circumferentially adjacent impact bars in the direction of the roll axis substantially no offset to each other.
Ein verbesserter Beitrag der Brechleisten zum Aufbrechen eines zu bearbeitenden Untergrunds bei im Wesentlichen nicht beeinträchtigter Abrollbewegung einer derartigen Bodenbearbeitungswalze kann dadurch erreicht werden, dass ein Außenumfangsbereich von wenigstens einem Teil der, vorzugsweise aller Brechleisten im Wesentlichen auf einer die Walzendrehachse konzentrisch umgebenden Kreisbahn liegt, oder/und dass in einem Außenumfangsbereich von wenigstens einem Teil der, vorzugsweise aller Brechleisten wenigstens eine Einsenkung gebildet ist.An improved contribution of the crushing bars for breaking up a substrate to be processed with substantially unimpaired rolling motion of such a cultivating roller can be achieved by an outer circumferential area of at least a part of, preferably all, crushing bars lying essentially on a circular path concentrically surrounding the roller rotational axis, or / and that in an outer peripheral region of at least a part of, preferably all break strips at least one depression is formed.
Um zu gewährleisten, dass die Schlagleisten, welche aufgrund ihrer Erstreckungslänge im Wesentlichen entlang des gesamten Walzenmantels in Richtung der Walzendrehachse eine vergleichsweise große Auflagefläche für die Bodenbearbeitungswalze auf dem zu zerbrechenden Untergrund bereitstellen, wirksam zum Zerkleinern des Untergrunds beitragen können, wird vorgeschlagen, dass eine maximale radiale Vorsprungshöhe wenigstens eines Teils der, vorzugsweise aller Schlagleisten über die Außenumfangsfläche des Walzenmantels größer ist, als eine maximale radiale Vorsprungshöhe wenigstens eines Teils der, vorzugsweise aller Brechleisten über die Außenumfangsfläche des Walzenmantels.In order to ensure that the blow bars, which due to their extension length substantially along the entire roll shell in the direction of the roll rotation axis provide a comparatively large support surface for the tillage roll on the ground to be crushed, can contribute effectively to the crushing of the substrate, it is proposed that a maximum radial protrusion height of at least a part of, preferably all of the blow bars over the outer peripheral surface of the roll shell is greater than a maximum radial protrusion height of at least a portion of, preferably all crushing bars on the outer peripheral surface of the roll shell.
Um die Wirksamkeit einer erfindungsgemäß aufgebauten Bodenbearbeitungswalze beim Zerbrechen von festem Untergrund, wie beispielsweise einer Betonplatte, weiter zu verbessern, wird vorgeschlagen, dass im Walzeninnenraum eine Vibrationsanordnung zur Erzeugung einer einer Drehbewegung um die Walzendrehachse überlagerbaren Vibration der Bodenbearbeitungswalze angeordnet ist. Eine derartige Vibration ist eine periodische Auf- und Ab-Bewegung bzw. -Beschleunigung der Bodenbearbeitungswalze, also eine Bewegung bzw. Beschleunigung im Wesentlichen in vertikaler Richtung. Die Bodenbearbeitungswalze schlägt somit periodisch auf den zu zerkleinernden Untergrund.In order to further improve the effectiveness of a tillage roller constructed according to the invention when breaking solid ground, such as a concrete slab, it is proposed that a vibration arrangement for generating a vibration of the soil working roll which can be superimposed on the roll rotational axis be arranged in the roll interior. Such a vibration is a periodic up and down movement or acceleration of the cultivating roller, ie a movement or acceleration substantially in the vertical direction. The tillage roller thus beats periodically on the ground to be crushed.
Die Erfindung betrifft ferner eine Bodenbearbeitungsmaschine, umfassend wenigstens eine an einem Maschinenrahmen um eine Walzendrehachse drehbar getragene erfindungsgemäß aufgebaute Bodenbearbeitungswalze.The invention further relates to a soil cultivating machine, comprising at least one cultivating roller constructed according to the invention rotatably supported on a machine frame about a roller rotational axis.
Die vorliegende Erfindung wird nachfolgend mit Bezug auf die beiliegenden Figuren detailliert beschrieben. Es zeigt:
- Fig. 1
- eine Bodenbearbeitungsmaschine in Seitenansicht;
- Fig. 2
- eine bei der Bodenbearbeitungsmaschine der
Fig. 1 einsetzbare Bodenbearbeitungswalze in perspektivischer Ansicht; - Fig. 3
- die Bodenbearbeitungswalze der
Fig. 2 in Radialansicht; - Fig. 4
- die Bodenbearbeitungswalze der
Fig. 2 in Axialansicht; - Fig. 5
- einen Umfangsabschnitt eines Walzenmantels der Bodenbearbeitungswalze der
Fig. 2 ; - Fig. 6
- einen Ausschnitt eines mit der Bodenbearbeitungswalze der
Fig. 2 bearbeiteten Untergrunds.
- Fig. 1
- a tillage machine in side view;
- Fig. 2
- a in the soil tillage machine of
Fig. 1 usable tillage roller in a perspective view; - Fig. 3
- the tillage roll the
Fig. 2 in radial view; - Fig. 4
- the tillage roll the
Fig. 2 in axial view; - Fig. 5
- a peripheral portion of a roll shell of the tilling roll of
Fig. 2 ; - Fig. 6
- a section of a with the soil tillage roller of the
Fig. 2 worked underground.
Die
Ein allgemein mit 18 bezeichneter Vorderwagen der Bodenbearbeitungsmaschine 10 umfasst einen am Hinterwagen 12 zum Lenken der Bodenbearbeitungsmaschine 10 schwenkbar getragenen Maschinenrahmen 20, an welchem eine Bodenbearbeitungswalze 22 um eine zur Zeichenebene der
Im Bodenbearbeitungsbetrieb bewegt die Bodenbearbeitungsmaschine 10 sich in Vorwärtsrichtung oder in Rückwärtsrichtung, also in
Die in den
An der Außenumfangsfläche 32 des Walzenmantels 30 ist die bereits angesprochene Bodenbrecherformation 38 vorgesehen. Diese umfasst eine Mehrzahl von zur Walzendrehachse D parallel sich erstreckenden Schlagleisten 40, die an der Außenumfangsfläche 32 beispielsweise durch Verschweißung festgelegt sind. Die in Umfangsrichtung um die Walzendrehachse D aufeinander folgend angeordneten Schlagleisten 40 weisen vorzugsweise einen im Wesentlichen gleichmäßigen Umfangsabstand U auf, der im Bereich von 40 cm bis 60 cm, vorzugsweise bei etwa 50 cm, liegen kann. Es sei hier darauf hingewiesen, dass der Umfangsabstand U der lichte Abstand zwischen zwei in Umfangsrichtung einander benachbarten Schlagleisten 40 und somit im Wesentlichen die Umfangserstreckung eines zwischen zwei in Umfangsrichtung benachbarten Schlagleisten 40 gebildeten Zwischenraums 42 sein kann.On the outer
Die in Richtung der Walzendrehachse D vorzugsweise unterbrechungsfrei durchlaufenden, beispielsweise einteilig ausgebildeten Schlagleisten 40 können ein im Wesentlichen rechteckiges, vorzugsweise quadratisches Querschnittsprofil mit einer Querschnittsfläche von etwa 40 mm x 40 mm aufweisen. Auch das in den Figuren erkennbare rechteckige Querschnittsprofil mit größerer Erstreckung in radialer Richtung als in Umfangsrichtung ist möglich.The preferably in the direction of the roller rotation axis D continuous without interruption, for example, one-piece trained blow bars 40 may have a substantially rectangular, preferably square cross-sectional profile with a cross-sectional area of about 40 mm x 40 mm. Also recognizable in the figures rectangular cross-sectional profile with greater extent in the radial direction than in the circumferential direction is possible.
In den zwischen jeweils zwei in Umfangsrichtung einander benachbarten Schlagleisten 40 gebildeten Zwischenräumen 42 sind jeweils mehrere Brechleisten 44 angeordnet. Die in einem jeweiligen Zwischenraum 42 angeordneten Brechleisten 44 erstrecken sich entlang des Außenumfangs bzw. der Außenumfangsfläche 32 des Walzenmantels 30 in Umfangsrichtung, also im Wesentlichen senkrecht zu den Schlagleisten 42. Eine Umfangserstreckungslänge der Brechleisten 44 entspricht vorzugsweise der Umfangserstreckung eines diese jeweils aufnehmenden Zwischenraums 42. Die Brechleisten 44 grenzen somit mit ihren Umfangsenden, vorzugsweise im Wesentlichen ohne einen Abstand zu den einen jeweiligen Zwischenraum 42 begrenzenden Schlagleisten 44 zu belassen, an die Schlagleisten 40 an.In the
In
Der lichte Abstand A zwischen in einem jeweiligen Zwischenraum angeordneten Brechleisten 44 liegt im Bereich von etwa 70 cm, so dass sich bei dem in den
Wie die die
Mit der in den
Insbesondere durch die in jeweiligen Zwischenräumen 42 zwischen in Umfangsrichtung benachbarten Schlagleisten 40 vorgesehenen Brechleisten 44 wird nicht nur eine Zerkleinerungsfunktionalität bereitgestellt, sondern diese Brechleisten 44 leisten auch einen wesentlichen Beitrag zur Führung der Bodenbearbeitungswalze 22 und somit der Bodenbearbeitungsmaschine 10 in der Richtung der Voranbewegung. Die im Wesentlichen permanent mit dem zu bearbeitenden Untergrund 24 in Kontakt stehenden Brechleisten 44 verhindern ein seitliches Abdriften. Da die Brechleisten 44 benachbarter Zwischenräume in Richtung der Walzendrehachse D zueinander versetzt liegen, wird jedoch das Auftreten eines Schienenführungseffekts, welcher das Lenken der Bodenbearbeitungsmaschine 10 insbesondere durch Verschwenken des Vorderwagens 18 bezüglich des Hinterwagens 12 erschweren würde, vermieden.In particular, by the crusher bars 44 provided in respective
Es sei abschließend darauf hingewiesen, dass die am Außenumfang des Walzenmantels 30 vorgesehenen Schlagleisten 40 und Brechleisten 44 selbstverständlich auch mit anderem Muster angeordnet werden könnten. So ist das Anordnen der Schlagleisten 40 mit im Wesentlichen gleichem Umfangsabstand zueinander besonders vorteilhaft. Es könnte jedoch auch ein in Umfangsrichtung variierender Abstand vorgesehen sein. Auch müssen nicht notwendigerweise die in den Zwischenräumen 42 angeordneten Brechleisten jeweils mit gleichem Axialabstand vorgesehen sein. So könnten beispielsweise alternierend in einem Zwischenraum 42 die Brechleisten mit kleinerem Axialabstand angeordnet sein, als in den beidseits davon vorgesehenen Zwischenräumen 42. Auch könnte innerhalb eines jeweiligen Zwischenraums eine Variation des axialen Abstands der Brechleisten vorgesehen sein, wobei zum Erhalt der in
Claims (12)
- A soil working roller for a soil working machine comprising a soil breaking configuration (38), wherein said soil breaking configuration (38) comprises a plurality of impact bars (40) extending essentially in the direction of the roller axis of rotation (D), as well as a plurality of breaker bars (44) extending in an essentially circumferential direction around the roller axis of rotation (D) characterized by a roller shell (30), elongated in the direction of a roller axis of rotation (D), surrounding a roller interior (34), with an essentially circular outer circumferential contour, wherein the soil breaking configuration (38) is provided on an outer circumferential surface (32) of the roller shell (30) in such a way that the impact bars (40) and the breaker bars (44) extend along the roller shell (30) and that the breaker bars (44) are offset to one another in the direction of a roller axis of rotation (D) in interspaces (42) adjacent in the circumferential direction around the roller axis of rotation (D) between respectively two impact bars (40) adjacent to one another in the circumferential direction.
- The soil working roller according to claim 1,
characterized in that the impact bars (40) are arranged in a circumferential direction around the roller axis of rotation (D) and with an essentially equal circumferential distance (U) from one another. - The soil working roller according to claim 2,
characterized in that the circumferential distance (U) ranges from 40 to 60 cm, and is preferably approximately 50 cm. - The soil working roller according to any of the preceding claims,
characterized in that the impact bars (40) comprise an essentially rectangular, preferably square cross section, wherein preferably a cross section of the impact bars (40) measures in the range of 40 mm x 40 mm. - The soil working roller according to any of the preceding claims,
characterized in that the impact bars (40) extend in the direction of the roller axis of rotation (D) essentially without interruption along the roller shell (30). - The soil working roller according to any of the preceding claims,
characterized in that at least the breaker bars (44) arranged in an interspace (42) between impact bars (40) adjacent to one another in the circumferential direction, and preferably the breaker bars (44) arranged in all of the interspaces (42) between impact bars (40) adjacent to one another in a circumferential direction, are arranged along the roller axis of rotation (D) at an essentially uniform axial distance (A) from one another. - The soil working roller according to one of the preceding claims,
characterized in that the breaker bars (44) in one of two interspaces (42) adjacent to one another in a circumferential direction are arranged to be essentially centered in the direction of the roller axis of rotation (D) in relation to the breaker bars (44) in the other of the two interspaces (42) adjacent to one another in a circumferential direction. - The soil working roller according to one of the preceding claims,
characterized in that no offset exists in the direction of the roller axis of rotation (D) with respect to the breaker bars (44) in every other of the successive interspaces (42) between each of two impact bars (40) adjacent to one another in a circumferential direction. - The soil working roller according to any of the preceding claims,
characterized in that an outer circumferential area of at least a portion of and preferably all of the breaker bars (44) lies essentially along a circular path concentrically encompassing the roller rotational axis (D), and/or that at least one depression (46) is formed at an outer circumferential area of at least a portion of and preferably all of the breaker bars (44). - The soil working roller according to any of the preceding claims,
characterized in that a maximum radial projection height of a part of and preferably of all the impact bars (40) across the outer circumferential surface (32) of the roller shell (30) is greater than a maximum radial projection height of at least a part of and preferably all of the breaker bars (44) across the outer circumferential surface (32) of the roller shell (30). - The soil working roller according to any of the preceding claims,
characterized in that a vibratory arrangement (26) able to generate a vibration of the soil working roller (22) which can be superposed to a rotating motion around the roller axis of rotation (D) is arranged within the roller interior (34). - A soil working machine comprising at least one soil working roller (22) according to one of the preceding claims supported at a machine frame (20) to rotate around a roller axis of rotation (D).
Applications Claiming Priority (1)
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DE102017100069.0A DE102017100069A1 (en) | 2017-01-04 | 2017-01-04 | Tillage roller |
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EP3346057A1 EP3346057A1 (en) | 2018-07-11 |
EP3346057B1 true EP3346057B1 (en) | 2019-07-24 |
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EP17208521.9A Active EP3346057B1 (en) | 2017-01-04 | 2017-12-19 | Soil working roller |
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US (2) | US10214865B2 (en) |
EP (1) | EP3346057B1 (en) |
JP (1) | JP6679631B2 (en) |
CN (3) | CN208328636U (en) |
DE (1) | DE102017100069A1 (en) |
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CN108265612A (en) | 2018-07-10 |
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