EP3258015A1 - Soil compactor and method for producing a ballast weight for a soil compactor - Google Patents
Soil compactor and method for producing a ballast weight for a soil compactor Download PDFInfo
- Publication number
- EP3258015A1 EP3258015A1 EP17169222.1A EP17169222A EP3258015A1 EP 3258015 A1 EP3258015 A1 EP 3258015A1 EP 17169222 A EP17169222 A EP 17169222A EP 3258015 A1 EP3258015 A1 EP 3258015A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- casing
- concrete core
- impact
- machine frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000002689 soil Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 20
- 229920003023 plastic Polymers 0.000 claims description 20
- 238000005056 compaction Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
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- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 claims 1
- 238000004873 anchoring Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 3
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- 229920001971 elastomer Polymers 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/29—Rolling apparatus adapted to apply a rolling pressure less than its weight, e.g. roller finishers travelling on formrail combined with spread-out, strike-off or smoothing means; Rolling elements with controlled penetration or a controlled path of movement in a vertical plane, e.g. controlled by the formrails, by guides ensuring a desired configuration of the rolled surface
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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
Definitions
- the invention relates to a soil compaction machine, in particular a roller compactor according to the preamble of claim 1, and to a method for producing a weighting weight for a soil compaction machine according to the preamble of claim 9.
- Such soil compaction machines are, for example, compactors, as are known in particular from the machine program of Hamm AG, Tirschenreuth.
- a known generic compactor has a mounted in the machine frame wheel axle with wheels, and at least one stored in a front end bandage.
- the front end is connected to the machine frame via an articulated steering.
- the machine frame also carries a body with a driver's cab and a hood.
- a weight of the body adapted to the body is attached to the machine frame.
- This weight is a molded concrete part that can be painted for visual adaptation to the body.
- the bandage of such a compactor can also be a crusher bandage, with the most diverse materials and minerals can be crushed and compacted simultaneously.
- a bandage can be used as a rock crusher or for breaking and relaxing rocky ground and also as a padfoot roller.
- ballast system for soil compaction machines with two wheel axles is known, which has modular ballast elements to adapt to different compaction tasks, the number and arrangement of which is selectively selectable.
- the ballast elements consist of ballast boxes, which are filled eg with bulk material, eg wet sand.
- This prior art aims to attach different weights to the machine frame via a modular ballast system to allow adjustment of the static compaction load to the compaction operation to be performed.
- the aforementioned generic compactors do not require such a variation of the weight load.
- the concrete is only slightly resistant to pressure, the weight weights cast from concrete can be easily damaged, and even larger concrete pieces can break off and require repair and / or cleaning of the damaged floor surface, so that work stoppages can be prevented until replacement work has been obtained. Soil compacting machine can occur. Because of the risk that the weight of the weight will lose even more fragments, an exchange of the component is required, so that significant business interruptions may occur, especially if a spare part is not immediately available.
- the invention is therefore based on the object of specifying a soil compaction machine or a method for producing a weight of weight for a soil compaction machine, with which even in the case of damage to the weight of the weight during processing of a soil surface interruptions the soil compaction machine and work interruption can be avoided at a construction site.
- the invention advantageously provides that the at least one weight of the weight at least partially has an impact-resistant casing which forms part of the body.
- the sheath is filled with filler material, so that the impact-resistant sheath, the filling material, even if it is not sufficiently resistant to pressure, protects against shock loads. Even if a non-pressure-resistant filling material is damaged or breaks, it is ensured that the weight of the weight is still fully functional due to the almost complete sheathing, so that no significant operational or work interruptions can take place.
- the impact-resistant casing is therefore preferably made of a material with a high impact resistance, which protects the weight of the weight in the event of a serious collision and keeps functioning.
- the weight of the weight can be almost completely surrounded by the casing except for the area of the attachment to the machine frame.
- the weight of the weight is preferably attached to the rear end of the machine frame as a body part.
- the impact-resistant casing is filled with a weighting filling material, which preferably has a concrete core.
- the sheath thereby forms a shock-resistant outer skin for the concrete core and gives the entire weight of the weight the required pressure resistance and impact resistance.
- fastening means are provided on the weight of the weight for fastening the weight of the weight to the machine frame, which are anchored in the concrete core.
- the anchoring of the fasteners in the concrete core has the advantage that the attachment of the weight of the weight on the machine frame is more stable overall and can absorb higher impact forces and shear loads.
- the concrete core has reinforcing structures.
- Such reinforcing structures can be two- or three-dimensional structures of high tensile strength material, e.g. Metal, which are introduced during the production of the concrete core.
- the reinforcing structures may have, for example, three-dimensional lattice structures.
- the casing has walls with inwardly projecting anchors, which are connected to the concrete core.
- the anchors can be connected, for example via wire hanger with the concrete core or reinforcing structures contained therein.
- the anchors of the walls can penetrate into the concrete core. It goes without saying that the anchors can also be integral with the walls of the shell.
- the impact-resistant casing has walls made of plastic material.
- plastics with high tensile strengths and high impact strength values are preferred.
- the walls of the Ummaneltung may have an incorporated reinforcing structure, wherein the walls may at least partially comprise a fiber-reinforced plastic, or may be formed of fiber-reinforced plastic.
- the casing with walls of plastic material is paintable and can also be formed from plastics which are multi-layered and in particular already contain an outer lacquer layer, so that a subsequent coating can be omitted.
- the weight-fastening means may be attached to the reinforcing structures of the concrete core.
- the weight of the weight is formed from an impact-resistant casing which is adapted to the shape of the body and which is filled with weighting filler material.
- the weight of the weight is at least partially, preferably predominantly, bordered by the impact-resistant casing which is used as part of the body.
- the sheathing can be used as a casting mold for the concrete core, whereby the concrete core can be formed in the sheathing by filling concrete that has not yet solidified.
- an already solidified, prefabricated and adapted to the shape of the sheathing concrete core can be inserted into the sheath.
- the sheath is preferably made of an impact-resistant plastic or fiber-reinforced plastic.
- a gap between the casing and the concrete resulting from a shrinkage process or after the insertion of a prefabricated concrete core can be filled with glue or another possibly shock-absorbing filler.
- a reinforcing structure for the concrete to be filled can first be inserted into the impact-resistant casing, the reinforcing structure can be provided with fastening means for fastening to the machine frame before or after installation, and then the solidifying filling material can be filled into the casing with inserted reinforcing structure.
- anchors projecting inwardly from the walls of the shell are used, which are enclosed in the casting of the solidifying filler material, whereby an intimate connection between the walls of the shell and the solidified filler material is formed after solidification of the filler material.
- Fig. 1 shows an example of a soil compaction machine in the form of a compactor 1.
- the machine frame 2 carries a body 4 with a driver's cab 5 and a hood 7, as well as two on both sides of the longitudinal center line of the compactor 1 at the rear end 10 of the compactor 1 arranged weight weights 6.
- a wheel axle is mounted with wheels 9.
- a bandage 14 is mounted in a connected via an articulated steering with the machine frame 2 front end 12 .
- the bandage 14 may be a smooth bandage, but also a crusher bandage or a vibration tamp foot bandage.
- weight weights 6 described in more detail below can also be used for tillage machines of other constructions, for example rubber tyred rollers and the like. be used, in which a weight weight 6 can be used as part of the body 4 is used.
- Fig. 2 shows a perspective view of the arrangement and attachment of the weight weights 6 at the rear end 10 of the machine frame second
- the weight of the weight 6 has a part of the body 4 forming, impact-resistant casing 8, which receives a concrete core 16.
- the concrete core 16 preferably has reinforcing structures 20 which are integrated in the concrete core 16.
- the reinforcing structures 20 are made of Fig. 3 seen.
- the reinforcing structures 20 may be connected to fastening means 18 which are provided for fastening the weight of weight 6 to the machine frame 2. These fastening means 18 may be anchored to the casing 8 and / or in the concrete core 16. As fastening means 18 preferably screw connections are used.
- Fig. 3 1 shows an exemplary embodiment in which three threaded nuts 22, which cooperate with screw bolts 28, are fastened, in particular welded, to an anchor plate 24, wherein the anchor plate 24 can be connected to the reinforcing structures 20 integrated in the concrete core 16. It is understood that the threaded nuts 22 must be accessible from the outside of the casing 8 of the weight of the weight 6.
- the anchor plate 24 may be attached to the outer side of the casing 8 on the machine frame 2 side facing the weight of the weight 6, or preferably in the concrete core 16, as shown Fig. 6 can be integrated, with corresponding recesses in the weight of the weight 6 allow screwing the bolts 28 into the threaded nuts 22.
- the weight of the weight 6 can be exceeded by the weight in Fig. 2 apparent bolt 28, for example, are inserted through through holes 29 in the side walls 30 of the machine frame 2, are attached to the machine frame 2.
- the sheath 8 has walls 26 of plastic material made of an impact-resistant and / or fiber-reinforced plastic.
- the walls of plastic material form a shock-resistant casing 8 of the concrete core 16, so that the weight of the weight 6 can absorb high impact forces without functional failure. Even if in a strong collision of the soil compaction machine, the concrete core 16 breaks, this is held together by the sheath 8 of the concrete core 16, in particular in conjunction with the reinforcing structures 20 so that no immediate service interruption and work interruptions is required.
- a damaged weight weight 6 can then be replaced after completion of the work, or if there is a corresponding replacement part.
- the sheath 8 may also have a in Fig. 4 have shown removable cover 40, which may also cover a filling opening for concrete.
- the lid 40 does not have to extend over the entire upper surface of the casing 8 when the concrete core 16 is filled in the liquefied state.
- fastening means 42 e.g. Threaded bushes can be arranged, which are connected to anchors 21 in the concrete core 16. These fasteners 42 allow to couple lifting devices to carry a weight of weight 6 or to hold them during assembly or disassembly.
- the plastic surface of the casing 8 also enables a coating of the weight of the weight 6 as part of the body 4, so that the weight of the weight 6 also visually forms a body part.
- the casing 8 can be produced from impact-resistant or impact-resistant plastics, as described, for example, in the overview "Technical plastics from Thyssen Krupp Plastics”: http://www.thyssenkruppplastics.de/fileadmin/inhalte/07_Publikationen/06_Pros pekte / 0750_Techn_Kunstscher_150dpi. pdf can be seen.
- plastics with a tensile strength of, for example, more than 40 N / mm 2 according to ISO 527 or plastics in which no fracture can be determined in an impact strength test according to ISO 179 are suitable.
- thermoplastics, thermoplastic elastomers and thermosetting plastics are suitable plastics.
- a particularly impact-resistant plastic is, for example, polycarbonate.
- the wall thickness of the plastic walls can be calculated on the basis of the strength values of the plastic and the impact load to be maintained.
- the wall thickness may also be based on the fact that the sheath 8 during filling with the filling material, in particular concrete, can not burst or deform excessively.
- the sheathing 8 during casting of the concrete core 16 can also be supported from the outside until the concrete core 16 has hardened.
- FIGS. 4 and 6 show a schematic cross section through the weight of the weight 6 across the machine frame 2 with alternative anchors 32, 34th
- the anchoring 32 consists of a holder 36 which is integrated in the wall 26 and is connected, for example via at least one connecting bracket 38 which extends into the concrete core 16, with the reinforcing structures 20 shown schematically in the concrete core 16.
- FIGS. 5a and 5b show the connecting bracket 38 and three-dimensional an example of the holder 36th
- Fig. 6 shows an alternative embodiment in which an anchoring 34, which may consist of a plastic or metal structure, is integrated into the wall 26 and protrudes into the concrete core 16.
- the anchoring 34 may have perforations 44 in the area of the concrete core 16, through which concrete can pass, thus enabling a particularly firm anchoring in the concrete core 16.
- This anchoring 34 is particularly advantageous if no wall of the casing 8 is provided on the side facing the machine frame 2.
- FIG. 6 In addition, an example of the arrangement of the anchor plate 24 in the concrete core 16 is shown.
- the concrete core 16 preferably extends to the contact surface of the weight of the weight 6 on the machine frame 2, so that the concrete core 16 can be supported directly on the machine frame 2.
- On the machine frame 2 side facing the sheathing 8 is therefore at least partially recessed, so that the sheath 8 does not completely surround the concrete core 16.
- the recesses at the same time form the filling openings for filling the not yet solidified concrete in the preferred production method of the weighting weights 6.
- the sheath 8 may be recessed even in the areas where the fasteners 18, for example in the form of three bolts 28 pass, so that the concrete core 16 flush with the shell 8 with a larger area on the machine frame only in the vicinity of the fastener 18 2 rests. The weight of the weight 6 can then be almost completely covered by the casing 8.
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- Civil Engineering (AREA)
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- Agronomy & Crop Science (AREA)
- Architecture (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
Bodenverdichtungsmaschine, insbesondere Walzenzug (1), mit einem Maschinenrahmen (2), der eine Karosserie (4) trägt, wobei mindestens ein an die Karosserie (4) angepasstes Beschwerungsgewicht (6) an dem Maschinenrahmen (2) befestigt ist, ist vorgesehen, das mindestens eine Beschwerungsgewicht (6) zumindest teilweise eine schlagfeste Ummantelung (8) aufweist, die einen Bestandteil der Karosserie (4) bildet.Ground compacting machine, in particular compactor (1), with a machine frame (2) carrying a body (4), at least one weight (6) adapted to the body (4) being fixed to the machine frame (2), is provided at least one weight weight (6) at least partially an impact-resistant casing (8), which forms a part of the body (4).
Description
Die Erfindung betrifft eine Bodenverdichtungsmaschine, insbesondere einen Walzenzug nach dem Oberbegriff des Anspruchs 1, sowie ein Verfahren zum Herstellen eines Beschwerungsgewichtes für eine Bodenverdichtungsmaschine nach dem Oberbegriff des Anspruchs 9.The invention relates to a soil compaction machine, in particular a roller compactor according to the preamble of
Derartige Bodenverdichtungsmaschinen sind beispielsweise Walzenzüge, wie sie insbesondere von dem Maschinenprogramm der Firma Hamm AG, Tirschenreuth bekannt sind.Such soil compaction machines are, for example, compactors, as are known in particular from the machine program of Hamm AG, Tirschenreuth.
Ein bekannter gattungsgemäßer Walzenzug weist eine im Maschinenrahmen gelagerte Radachse mit Rädern auf, sowie mindestens eine in einem Vorderwagen gelagerte Bandage. Der Vorderwagen ist über eine Knicklenkung mit dem Maschinenrahmen verbunden. Der Maschinenrahmen trägt auch eine Karosserie mit einer Fahrerkabine sowie einer Motorhaube. Am hinteren Ende des Maschinenrahmens ist beiderseits einer Längsmittelachse des Maschinenrahmens ein an die Karosserie angepasstes Beschwerungsgewicht an dem Maschinenrahmen befestigt.A known generic compactor has a mounted in the machine frame wheel axle with wheels, and at least one stored in a front end bandage. The front end is connected to the machine frame via an articulated steering. The machine frame also carries a body with a driver's cab and a hood. At the rear end of the machine frame, on both sides of a longitudinal center axis of the machine frame, a weight of the body adapted to the body is attached to the machine frame.
Dieses Beschwerungsgewicht ist ein Formteil aus Beton, das zur optischen Anpassung an die Karosserie lackiert sein kann.This weight is a molded concrete part that can be painted for visual adaptation to the body.
Es versteht sich, dass die Bandage eines derartigen Walzenzuges auch eine Brecherbandage sein kann, mit der verschiedenste Bau- und Mineralstoffe gleichzeitig zerkleinert und verdichtet werden können. Eine derartige Bandage kann als Felsbrecher oder zum Vorbrechen und Entspannen von felsigem Untergrund und auch als Stampffußwalze verwendet werden.It is understood that the bandage of such a compactor can also be a crusher bandage, with the most diverse materials and minerals can be crushed and compacted simultaneously. Such a bandage can be used as a rock crusher or for breaking and relaxing rocky ground and also as a padfoot roller.
Aus der
Dieser Stand der Technik zielt darauf ab, über ein modulares Ballastsystem unterschiedliche Gewichte an dem Maschinenrahmen zu befestigen, um eine Anpassung der statischen Verdichtungslast an die auszuführende Verdichtungstätigkeit zu ermöglichen.This prior art aims to attach different weights to the machine frame via a modular ballast system to allow adjustment of the static compaction load to the compaction operation to be performed.
Die eingangs erwähnten gattungsgemäßen Walzenzüge benötigen eine derartige Variation der Gewichtsbelastung nicht. Die aus Beton gegossenen Beschwerungsgewichte können allerdings, da der Beton nur in geringem Umfang druckresistent ist, leicht beschädigt werden, wobei auch größere Betonstücke abbrechen können und eine Reparatur und/oder Reinigung der beschädigten Bodenoberfläche erfordern können, so dass Arbeitsunterbrechungen bis zur Beschaffung einer Ersatz-Bodenverdichtungsmaschine auftreten können. Wegen der Gefahr, dass das Beschwerungsgewicht noch weitere Bruchstücke verliert, ist ein Austausch des Bauteils erforderlich, so dass erhebliche Betriebsunterbrechungen auftreten können, insbesondere wenn ein Ersatzteil nicht sofort verfügbar ist.The aforementioned generic compactors do not require such a variation of the weight load. However, since the concrete is only slightly resistant to pressure, the weight weights cast from concrete can be easily damaged, and even larger concrete pieces can break off and require repair and / or cleaning of the damaged floor surface, so that work stoppages can be prevented until replacement work has been obtained. Soil compacting machine can occur. Because of the risk that the weight of the weight will lose even more fragments, an exchange of the component is required, so that significant business interruptions may occur, especially if a spare part is not immediately available.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Bodenverdichtungsmaschine bzw. ein Verfahren zum Herstellen eines Beschwerungsgewichtes für eine Bodenverdichtungsmaschine anzugeben, mit der auch im Falle einer Beschädigung des Beschwerungsgewichtes während der Bearbeitung einer Bodenoberfläche Betriebsunterbrechungen der Bodenverdichtungsmaschine und Arbeitsunterbrechung an einer Baustelle vermieden werden können.The invention is therefore based on the object of specifying a soil compaction machine or a method for producing a weight of weight for a soil compaction machine, with which even in the case of damage to the weight of the weight during processing of a soil surface interruptions the soil compaction machine and work interruption can be avoided at a construction site.
Zur Lösung dieser Aufgabe dienen die Merkmale der Ansprüche 1 bzw. 9.To solve this problem serve the features of
Die Erfindung sieht in vorteilhafter Weise vor, dass das mindestens eine Beschwerungsgewicht zumindest teilweise eine schlagfeste Ummantelung aufweist, die einen Bestandteil der Karosserie bildet. Die Ummantelung ist mit Füllmaterial ausgefüllt, so dass die schlagfeste Ummantelung das Füllmaterial, auch wenn es nicht ausreichend druckresistent ist, vor Stoßbelastungen schützt. Selbst für den Fall, dass ein nicht druckresistentes Füllmaterial beschädigt wird, oder zerbricht, ist sicherstellt, dass das Beschwerungsgewicht aufgrund der fast vollständigen Ummantelung weiterhin voll funktionsfähig ist, so dass keine nennenswerte Betriebs- oder Arbeitsunterbrechungen stattfinden können.The invention advantageously provides that the at least one weight of the weight at least partially has an impact-resistant casing which forms part of the body. The sheath is filled with filler material, so that the impact-resistant sheath, the filling material, even if it is not sufficiently resistant to pressure, protects against shock loads. Even if a non-pressure-resistant filling material is damaged or breaks, it is ensured that the weight of the weight is still fully functional due to the almost complete sheathing, so that no significant operational or work interruptions can take place.
Die schlagfeste Ummantelung besteht daher vorzugsweise aus einem Material mit einer hohen Schlagzähigkeit, die das Beschwerungsgewicht auch im Falle einer kräftigen Kollision schützt und funktionsfähig hält.The impact-resistant casing is therefore preferably made of a material with a high impact resistance, which protects the weight of the weight in the event of a serious collision and keeps functioning.
Das Beschwerungsgewicht kann bis auf den Bereich der Befestigung am Maschinenrahmen nahezu vollständig von der Ummantelung umgeben sein.The weight of the weight can be almost completely surrounded by the casing except for the area of the attachment to the machine frame.
Das Beschwerungsgewicht ist vorzugsweise am hinteren Ende des Maschinenrahmens als Karosserieteil befestigt.The weight of the weight is preferably attached to the rear end of the machine frame as a body part.
Die schlagfeste Ummantelung ist mit einem beschwerenden Füllmaterial gefüllt, das vorzugsweise einen Betonkern aufweist. Die Ummantelung bildet dadurch eine schlagfeste Außenhaut für den Betonkern und verleiht dem gesamten Beschwerungsgewicht die erforderliche Druckresistenz und Stoßfestigkeit.The impact-resistant casing is filled with a weighting filling material, which preferably has a concrete core. The sheath thereby forms a shock-resistant outer skin for the concrete core and gives the entire weight of the weight the required pressure resistance and impact resistance.
Vorzugsweise ist vorgesehen, dass Befestigungsmittel an dem Beschwerungsgewicht zur Befestigung des Beschwerungsgewichts an dem Maschinenrahmen vorgesehen sind, welche in dem Betonkern verankert sind. Die Verankerung der Befestigungsmittel in dem Betonkern hat den Vorteil, dass die Befestigung des Beschwerungsgewichtes an dem Maschinenrahmen insgesamt stabiler ist und höhere Stoßkräfte und Scherbelastungen aufnehmen kann.It is preferably provided that fastening means are provided on the weight of the weight for fastening the weight of the weight to the machine frame, which are anchored in the concrete core. The anchoring of the fasteners in the concrete core has the advantage that the attachment of the weight of the weight on the machine frame is more stable overall and can absorb higher impact forces and shear loads.
Bei einem besonders bevorzugten Ausführungsbeispiel weist der Betonkern Verstärkungsstrukturen auf. Derartige Verstärkungsstrukturen können zwei- oder dreidimensionale Strukturen eines Materials mit hoher Zugfestigkeit, z.B. Metall sein, die bei der Herstellung des Betonkerns eingebracht werden. Dabei können die Verstärkungsstrukturen beispielsweise dreidimensionale Gitterstrukturen aufweisen.In a particularly preferred embodiment, the concrete core has reinforcing structures. Such reinforcing structures can be two- or three-dimensional structures of high tensile strength material, e.g. Metal, which are introduced during the production of the concrete core. In this case, the reinforcing structures may have, for example, three-dimensional lattice structures.
Bei einer Weiterbildung der Erfindung ist vorgesehen, dass die Ummantelung Wände mit nach innen hineinragenden Verankerungen aufweist, die mit dem Betonkern verbunden sind. Dabei können die Verankerungen beispielsweise über Drahtbügel mit dem Betonkern oder darin enthaltenen Verstärkungsstrukturen verbunden sein. Alternativ können die Verankerungen der Wände bis in den Betonkern hinein. Es versteht sich dabei, dass die Verankerungen auch einstückig mit den Wänden der Ummantelung sein können.In a further development of the invention it is provided that the casing has walls with inwardly projecting anchors, which are connected to the concrete core. The anchors can be connected, for example via wire hanger with the concrete core or reinforcing structures contained therein. Alternatively, the anchors of the walls can penetrate into the concrete core. It goes without saying that the anchors can also be integral with the walls of the shell.
Bei einem besonders bevorzugten Ausführungsbeispiel ist vorgesehen, dass die schlagfeste Ummantelung Wände aus Kunststoffmaterial aufweist. Dabei sind Kunststoffe mit hohen Zugfestigkeiten und hohen Schlagzähigkeitswerten bevorzugt.In a particularly preferred embodiment, it is provided that the impact-resistant casing has walls made of plastic material. In this case, plastics with high tensile strengths and high impact strength values are preferred.
Die Wände der Ummaneltung können eine inkorporierte Verstärkungsstruktur aufweisen, wobei die Wände zumindest bereichsweise einen faserverstärkten Kunststoff aufweisen können, oder aus faserverstärktem Kunststoff gebildet sein können.The walls of the Ummaneltung may have an incorporated reinforcing structure, wherein the walls may at least partially comprise a fiber-reinforced plastic, or may be formed of fiber-reinforced plastic.
Die Ummantelung mit Wänden aus Kunststoffmaterial ist lackierbar und kann auch aus Kunststoffen gebildet sein, die mehrschichtig sind und insbesondere bereits eine äußere Lackschicht enthalten, so dass eine nachträgliche Lackierung entfallen kann.The casing with walls of plastic material is paintable and can also be formed from plastics which are multi-layered and in particular already contain an outer lacquer layer, so that a subsequent coating can be omitted.
Die Befestigungsmittel des Beschwerungsgewichts können an den Verstärkungsstrukturen des Betonkerns befestigt sein.The weight-fastening means may be attached to the reinforcing structures of the concrete core.
Nach dem Verfahren zum Herstellen eines Beschwerungsgewichtes ist vorgesehen, dass das Beschwerungsgewicht aus einer schlagfesten, an die Form der Karosserie angepasste Ummantelung gebildet wird, die mit beschwerendem Füllmaterial gefüllt wird. Dabei ist das Beschwerungsgewicht zumindest teilweise, vorzugsweise überwiegend, von der schlagfesten Ummantelung eingefasst, die als Bestandteil der Karosserie verwendet wird.According to the method for producing a weight of weight, it is provided that the weight of the weight is formed from an impact-resistant casing which is adapted to the shape of the body and which is filled with weighting filler material. The weight of the weight is at least partially, preferably predominantly, bordered by the impact-resistant casing which is used as part of the body.
Die Ummantelung kann als Gießform für den Betonkern verwendet werden, wobei durch Einfüllen von noch nicht verfestigtem Beton der Betonkern in der Ummantelung geformt werden kann.The sheathing can be used as a casting mold for the concrete core, whereby the concrete core can be formed in the sheathing by filling concrete that has not yet solidified.
Alternativ kann ein bereits verfestigter, vorgefertigter und der Form der Ummantelung angepasster Betonkern in die Ummantelung eingesetzt werden.Alternatively, an already solidified, prefabricated and adapted to the shape of the sheathing concrete core can be inserted into the sheath.
Die Ummantelung wird vorzugsweise aus einem schlagzähen Kunststoff oder faserverstärkten Kunststoff hergestellt.The sheath is preferably made of an impact-resistant plastic or fiber-reinforced plastic.
Nach dem Einfüllen und Verfestigen des Betons kann ein sich aus einem Schrumpfungsprozess oder nach dem Einsetzen eines vorgefertigten Betonkerns ergebender Spalt zwischen der Ummantelung und dem Beton mit Kleber oder einem anderen ggf. stoßdämpfenden Füllmittel ausgefüllt werden.After filling and solidifying the concrete, a gap between the casing and the concrete resulting from a shrinkage process or after the insertion of a prefabricated concrete core can be filled with glue or another possibly shock-absorbing filler.
Zur Herstellung des Beschwerungsgewichtes kann zunächst eine Verstärkungsstruktur für den einzufüllenden Beton in die schlagfeste Ummantelung eingesetzt werden, die Verstärkungsstruktur vor oder nach dem Einbau mit Befestigungsmitteln zum Befestigen an dem Maschinenrahmen versehen werden und anschließend das sich verfestigende Füllmaterial in die Ummantelung mit eingesetzter Verstärkungsstruktur eingefüllt werden.To produce the weight of the weight, a reinforcing structure for the concrete to be filled can first be inserted into the impact-resistant casing, the reinforcing structure can be provided with fastening means for fastening to the machine frame before or after installation, and then the solidifying filling material can be filled into the casing with inserted reinforcing structure.
Vorzugsweise ist vorgesehen, dass von den Wänden der Ummantelung nach innen abstehende Verankerungen verwendet werden, die beim Vergießen des sich verfestigenden Füllmaterials umschlossen werden, wodurch nach dem Verfestigen des Füllmaterial eine innige Verbindung zwischen den Wänden der Ummantelung und dem verfestigten Füllmaterial gebildet wird.Preferably, it is envisioned that anchors projecting inwardly from the walls of the shell are used, which are enclosed in the casting of the solidifying filler material, whereby an intimate connection between the walls of the shell and the solidified filler material is formed after solidification of the filler material.
Im Folgenden werden unter Bezugnahme auf die Zeichnungen Ausführungsbeispiele der Erfindung näher erläutert:Exemplary embodiments of the invention will be explained in more detail below with reference to the drawings.
Es zeigen:
- Fig. 1
- eine Bodenverdichtungsmaschine in Form eines Walzenzuges,
- Fig. 2
- die Befestigung der Beschwerungsgewichte an dem Maschinenrahmen,
- Fig. 3
- die innere Struktur eines Betonkerns,
- Fig. 4
- ein schematischer Querschnitt durch das Beschwerungsgewicht,
- Fig. 5a
- ein in die Wand der Ummantelung integriertes Verankerungselement,
- Fig. 5b
- einen Verbindungsbügel, und
- Fig. 6
- ein alternatives Ausführungsbeispiel zu
Fig. 4 .
- Fig. 1
- a soil compaction machine in the form of a compactor,
- Fig. 2
- the attachment of the weight weights to the machine frame,
- Fig. 3
- the inner structure of a concrete core,
- Fig. 4
- a schematic cross section through the weight of the weight,
- Fig. 5a
- an anchoring element integrated in the wall of the casing,
- Fig. 5b
- a connection bracket, and
- Fig. 6
- an alternative embodiment to
Fig. 4 ,
Die Bandage 14 kann eine Glattbandage sein, aber auch eine Brecherbandage oder eine Vibrationsstampffußbandage.The
Grundsätzlich können die im Folgenden näher beschriebenen Beschwerungsgewichte 6 auch für Bodenbearbeitungsmaschinen anderer Konstruktionen, z.B. Gummiradwalzen u.dgl. verwendet werden, bei denen ein Beschwerungsgewicht 6 als Bestandteil der Karosserie 4 zum Einsatz kommen kann.In principle, the
Das Beschwerungsgewicht 6 weist eine einen Bestandteil der Karosserie 4 bildenden, schlagfeste Ummantelung 8 auf, die einen Betonkern 16 aufnimmt. Der Betonkern 16 weist vorzugsweise Verstärkungsstrukturen 20 auf, die in den Betonkern 16 integriert sind. Die Verstärkungsstrukturen 20 sind aus
Die Verstärkungsstrukturen 20 können mit Befestigungsmitteln 18 verbunden sein, die zur Befestigung des Beschwerungsgewichtes 6 an dem Maschinenrahmen 2 vorgesehen sind. Diese Befestigungsmittel 18 können an der Ummantelung 8 und/oder in dem Betonkern 16 verankert sein. Als Befestigungsmittel 18 werden vorzugsweise Schraubverbindungen verwendet.The reinforcing
Das Beschwerungsgewicht 6 kann über die in
Zusätzlich kann auf der Oberseite des Beschwerungsgewichtes 6 eine mit dem Maschinenrahmen 2 fest verbundene Platte 46 über Schraubbolzen 48 mit dem Beschwerungsgewicht 6 verschraubt sein, um die Schraubbolzen 28 von Querkräften zu entlasten.In addition, on the top of the weight of the
Die Ummantelung 8 hat Wände 26 aus Kunststoffmaterial aus einem schlagzähen und/oder faserverstärkten Kunststoff. Die Wände aus Kunststoffmaterial bilden eine schlagfeste Ummantelung 8 des Betonkerns 16, so dass das Beschwerungsgewicht 6 hohe Stoßkräfte ohne Funktionsausfall absorbieren kann. Selbst wenn bei einer kräftigen Kollision der Bodenverdichtungsmaschine der Betonkern 16 bricht, wird dieser durch die Ummantelung 8 des Betonkerns 16, insbesondere in Verbindung mit den Verstärkungsstrukturen 20, derart zusammengehalten, dass keine sofortige Betriebsunterbrechung und Arbeitsunterbrechungen erforderlich ist.The
Falls notwendig, kann ein beschädigtes Beschwerungsgewicht 6 dann nach Abschluss der Arbeiten, oder wenn ein entsprechendes Austauschteil vorliegt, ausgewechselt werden.If necessary, a damaged
Die Ummantelung 8 kann auch einen in
Es versteht sich, dass der Deckel 40 sich nicht über die gesamte obere Fläche der Ummantelung 8 erstrecken muss, wenn der Betonkern 16 im verflüssigten Zustand einfüllt wird.It is understood that the
Auf der Oberseite des Beschwerungsgewichts 6 können weitere Befestigungsmittel 42, z.B. Gewindebuchsen angeordnet sein, die mit Ankern 21 im Betonkern 16 verbunden sind. Diese Befestigungsmittel 42 erlauben, Hubeinrichtungen anzukoppeln, um ein Beschwerungsgewicht 6 zu transportieren, oder während der Montage oder Demontage zu halten.On the upper side of the
Die Kunststoffoberfläche der Ummantelung 8 ermöglicht auch eine Lackierung des Beschwerungsgewichts 6 als Bestandteil der Karosserie 4, so dass das Beschwerungsgewicht 6 auch optisch ein Karosserieteil bildet.The plastic surface of the
Die Ummantelung 8 kann aus schlagfesten bzw. schlagzähen Kunststoffen hergestellt werden, wie sie beispielsweise aus dem Überblick "Technische Kunststoffe der Firma Thyssen Krupp Plastics": http://www.thyssenkruppplastics.de/fileadmin/inhalte/07_Publikationen/06_Pros pekte/0750_Techn_Kunststoffe_150dpi.pdf
ersichtlich sind. Grundsätzlich geeignet sind Kunststoffe mit einer Zugfestigkeit von beispielsweise über 40 N/mm2 nach ISO 527 bzw. Kunststoffe, bei denen in einer Schlagzähigkeitsprüfung nach ISO 179 kein Bruch festgestellt werden kann. Grundsätzlich sind Thermoplaste, thermoplastische Elastomere und Duroplaste geeignete Kunststoffe.The
can be seen. In principle, plastics with a tensile strength of, for example, more than 40 N / mm 2 according to ISO 527 or plastics in which no fracture can be determined in an impact strength test according to ISO 179 are suitable. In principle, thermoplastics, thermoplastic elastomers and thermosetting plastics are suitable plastics.
Ein besonders schlagfester Kunststoff ist beispielsweise Polycarbonat.A particularly impact-resistant plastic is, for example, polycarbonate.
Die Wandstärke der Kunststoffwandungen kann anhand der Festigkeitswerte des Kunststoffs und der auszuhaltenden Stoßbelastung berechnet werden.The wall thickness of the plastic walls can be calculated on the basis of the strength values of the plastic and the impact load to be maintained.
Falls die Ummantelung 8 als Gießform verwendet wird, kann sich die Wandstärke auch daran orientieren, dass die Ummantelung 8 beim Einfüllen mit dem Füllmaterial, insbesondere Beton, nicht aufplatzen oder übermäßig verformen kann.If the
Sind dünnere Wandstärken erwünscht, kann die Ummantelung 8 beim Vergießen des Betonkerns 16 auch von außen abgestützt werden, bis der Betonkern 16 ausgehärtet ist.If thinner wall thicknesses are desired, the
Die
Bei dem Ausführungsbeispiel der
Die
In
Es versteht sich, dass, bei dem Ausführungsbeispiel der
Claims (15)
dadurch gekennzeichnet,dass
das mindestens eine Beschwerungsgewicht (6) zumindest teilweise eine schlagfeste Ummantelung (8) aufweist, die einen Bestandteil der Karosserie (4) bildet.Ground compacting machine, in particular compactor (1), with a machine frame (2) carrying a body (4), at least one weight (6) adapted to the body (4) being attached to the machine frame (2),
characterized in that
the at least one weight of weight (6) at least partially has an impact-resistant casing (8) which forms part of the body (4).
dadurch gekennzeichnet,dass
das Beschwerungsgewicht (6) zumindest teilweise von einer schlagfesten, an die Form der Karosserie (4) angepasste Ummantelung (8) eingefasst wird, die als Bestandteil der Karosserie (4) verwendet wird.Method for producing a weight of weight (6) for a soil compaction machine, in particular for a compactor (1), with a machine frame (2) carrying a body (4), wherein at least one weight (6) adapted to the weight of the body (4) on the machine frame (6) 2) is attached,
characterized in that
the weight of the weight (6) is at least partially enclosed by an impact-resistant casing (8) which is adapted to the shape of the body (4) and which is used as part of the body (4).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016210906.5A DE102016210906A1 (en) | 2016-06-17 | 2016-06-17 | Soil compacting machine, and method for producing a weight of weight for a soil compaction machine |
Publications (2)
Publication Number | Publication Date |
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EP3258015A1 true EP3258015A1 (en) | 2017-12-20 |
EP3258015B1 EP3258015B1 (en) | 2020-09-02 |
Family
ID=58668789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17169222.1A Active EP3258015B1 (en) | 2016-06-17 | 2017-05-03 | Soil compactor and method for producing a ballast weight for a soil compactor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3258015B1 (en) |
CN (2) | CN208266639U (en) |
DE (1) | DE102016210906A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE102016210906A1 (en) * | 2016-06-17 | 2017-12-21 | Hamm Ag | Soil compacting machine, and method for producing a weight of weight for a soil compaction machine |
FR3141672A1 (en) * | 2022-11-08 | 2024-05-10 | Pateer France | BALLAST ELEMENT COMPRISING A ROTOMOLDED HOLLOW BODY FILLED AT LEAST PARTIALLY WITH CONCRETE SOLIDIFIED IN PLACE |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996038631A1 (en) | 1995-05-31 | 1996-12-05 | Svedala Dynapac Ltda. | A ballast system for compacting machines |
DE102004007389A1 (en) * | 2004-02-11 | 2005-09-15 | Ab-Polymerchemie Gmbh | Method for producing a concrete and / or mortar molding with an at least partial surface protection and use thereof |
DE102014216439A1 (en) * | 2014-08-19 | 2016-02-25 | Hamm Ag | compactor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2133535B1 (en) * | 1971-04-15 | 1975-02-21 | Richier Sa | |
WO2015122926A1 (en) * | 2014-02-17 | 2015-08-20 | Volvo Construction Equipment Ab | Pneumatic tire compactor with water ballast |
CN204059157U (en) * | 2014-09-01 | 2014-12-31 | 常林股份有限公司 | A kind of parts arranging structure of steel roller |
US9469947B2 (en) * | 2014-10-13 | 2016-10-18 | Caterpillar Paving Products Inc. | Modular compactor frame construction |
DE102016210906A1 (en) * | 2016-06-17 | 2017-12-21 | Hamm Ag | Soil compacting machine, and method for producing a weight of weight for a soil compaction machine |
-
2016
- 2016-06-17 DE DE102016210906.5A patent/DE102016210906A1/en not_active Withdrawn
-
2017
- 2017-05-03 EP EP17169222.1A patent/EP3258015B1/en active Active
- 2017-06-13 CN CN201720682512.XU patent/CN208266639U/en not_active Withdrawn - After Issue
- 2017-06-13 CN CN201710442827.1A patent/CN107130499B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996038631A1 (en) | 1995-05-31 | 1996-12-05 | Svedala Dynapac Ltda. | A ballast system for compacting machines |
DE102004007389A1 (en) * | 2004-02-11 | 2005-09-15 | Ab-Polymerchemie Gmbh | Method for producing a concrete and / or mortar molding with an at least partial surface protection and use thereof |
DE102014216439A1 (en) * | 2014-08-19 | 2016-02-25 | Hamm Ag | compactor |
Also Published As
Publication number | Publication date |
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CN208266639U (en) | 2018-12-21 |
CN107130499A (en) | 2017-09-05 |
DE102016210906A1 (en) | 2017-12-21 |
EP3258015B1 (en) | 2020-09-02 |
CN107130499B (en) | 2020-03-31 |
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