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EP3235952A1 - Soil compactor - Google Patents

Soil compactor Download PDF

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Publication number
EP3235952A1
EP3235952A1 EP17166732.2A EP17166732A EP3235952A1 EP 3235952 A1 EP3235952 A1 EP 3235952A1 EP 17166732 A EP17166732 A EP 17166732A EP 3235952 A1 EP3235952 A1 EP 3235952A1
Authority
EP
European Patent Office
Prior art keywords
compressor
see
cross member
recess
roller
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
Application number
EP17166732.2A
Other languages
German (de)
French (fr)
Other versions
EP3235952B1 (en
Inventor
Thomas Bletscher
Gerd KÖSTLER
Axel RÖMER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamm AG
Original Assignee
Hamm AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hamm AG filed Critical Hamm AG
Priority to EP18208439.2A priority Critical patent/EP3492656B1/en
Priority to EP20183609.5A priority patent/EP3736377B1/en
Publication of EP3235952A1 publication Critical patent/EP3235952A1/en
Application granted granted Critical
Publication of EP3235952B1 publication Critical patent/EP3235952B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01C19/26—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles
    • E01C19/264—Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles with attachments for work other than rolling, e.g. grading, scarifying
    • 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
    • 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
    • E01C19/004—Devices for guiding or controlling the machines along a predetermined path
    • 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
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/815—Blades; Levelling or scarifying tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/967—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of compacting-type tools
    • 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
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/40—Working platform or walkway
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271—Actuators and supports therefor and protection therefor

Definitions

  • the present invention relates to a soil compactor, which can be used, for example, to prepare the road surface of an area to be asphalted or to compact the asphalt applied to this substrate.
  • a soil compactor which comprises a compressor roller frame providing a frontcar substantially with a compressor roller rotatably supported about a roller rotation axis.
  • the compressor roller frame comprises two with respect to a compressor longitudinal direction on both sides of the compressor roller arranged and carrying this longitudinal member. Between these two longitudinal members extend with respect to a compressor transverse direction on both sides of the compressor roller, ie in the direction of extension substantially in the compressor transverse direction, two cross members. About one of these two cross member of the compressor roller frame is connected to a compressor main frame, so for example, a rear-mounted carrying a drive unit.
  • the other of the two crossbeams that is to say the crossbeam essentially providing a front end region of the compressor, is offset upward in a compressor height direction with respect to the crossbeam connected to the main compressor frame, thus basically has a slightly greater distance from the substrate to be compacted. This also allows the compression in slope areas, without the risk that this cross member comes into contact with the underground to be compacted.
  • a soil compactor comprising a compressor roller rotatably supported on a compressor roller frame about a roller rotation axis, the compressor roller frame having two longitudinal members arranged with respect to a compressor longitudinal direction on both sides of the compressor roller and two with respect to a compressor transverse direction on both sides of the compressor roller and interconnecting the longitudinal members
  • Cross member comprises, wherein the compressor roller frame is connected via one of the two cross members with a compressor main frame, wherein in the other of the two cross member at least one see-through recess is provided.
  • the operator operating the compressor can see through the see through recess on the area which is immediately before the compressor roller carried on the compressor roller frame. This allows higher precision when performing compaction work.
  • the at least one see-through recess in a compressor height direction upwards is substantially open.
  • At least one of these in the compressor transverse direction bridging strut is provided in an upper region of the at least one see-through recess, wherein the at least one strut has a smaller cross-sectional area than the other Cross member in the region of at least one see-through recess.
  • a cab for a compressor operating the soil compactor is located generally centrally in the compressor and the operator generally performs compaction operations Also in the center region of the compressor - as viewed in the compressor transverse direction - is stopped, it is further proposed that a see-through recess in the compressor transverse direction is centered with respect to a center of the compressor. The operator then has through this centered see-through recess extending in the compressor transverse direction field of view.
  • the at least one see-through recess extends over at least 50%, preferably at least 70% of the extension length of the other cross member in the compressor transverse direction, and / or in that, in a compressor height direction, the at least one see-through recess extends over at least 50%, preferably at least 70%, of the extension length of the other cross-member in the compressor height direction.
  • the see-through recess is divided by a in the compressor transverse direction substantially in the middle of the compressor arranged and supported relative to the other cross member and the strut, preferably plate-like support member into two see-through recessed areas.
  • the other cross member comprises at least two in a compressor height direction one above the other and between them a see-through recess forming cross member elements.
  • the other cross member is offset in a compressor height direction with respect to a cross member upwards.
  • a dozer blade is movably supported in the compressor height direction on the compressor roller frame.
  • the dozer blade has at least one clearing blade see-through recess in an upper region in the compressor height direction.
  • the dozer blade has at least one clearing blade see-through recess in an upper region in the compressor height direction.
  • it can be provided, for example, that in the upper area of the ploughshare a plurality of mutually substantially parallel Räumschildstangen, preferably substantially parallel to the compressor roller axis of rotation extending, is provided, between at least two Räumschildstangen at least one plow blade-see-through recess is formed.
  • a plow blade lifting member preferably piston / cylinder unit
  • the plow blade-lifting member on the support element which is supported with respect to the other cross member and the at least one see-through recess bridging strut worn.
  • the Fig. 1 shows a generally as a front end 10 to be designated part of an in Fig. 4 shown self-propelled soil compactor 11, which is formed in the example shown as a compactor.
  • the front carriage 10 comprises a compressor roller frame 12 with two in a longitudinal direction L compressor extending substantially plate-like longitudinal members 14, 16. Between these two side rails 14, 16 a generally designated 18 compressor roller is supported such that its roller rotation axis substantially in one Compressor transverse direction Q, that extends substantially orthogonal to the compressor longitudinal direction L, so that the two side members 14, 16 are arranged with respect to the compressor longitudinal direction L on both sides of the compressor roller 18.
  • the compactor roller 18 may be rotatably supported on the side rails 14, 16 for rotation about its roller rotation axis.
  • the two longitudinal members 14, 16 extend substantially in the compressor transverse direction Q, ie substantially parallel to the roller axis of rotation of the compressor roller 18, two with respect to the compressor transverse direction Q thus both sides of the compressor roller 18 arranged cross member 20, 22.
  • the two cross members 20, 22 can basically be box-shaped and are, as well as the side members 14, 16, designed as steel parts.
  • the front carriage 10 can be connected to the main frame 23 of the compressor in such a way that it can swivel, ie be articulated, about an axis of rotation approximately extending in a direction of the compressor height H.
  • a see-through recess 28 In order for a generally positioned in the cab 27 on the rear carriage 25 operator P the view of the area to be compacted immediately adjacent, ie, for example, release before the compactor roller 18, the cross member 22, which upon movement of the front carriage 10 in the illustration of Fig. 1 Defined to the left of the front end portion of the soil compactor 11, a see-through recess 28.
  • This in the compressor longitudinal direction L completely through the cross member 22 extending therethrough see-through recess 28 is substantially open in the compressor height direction H upwards and is limited for example by two side walls 30, 32 formed on the cross member 22 and a bottom wall 34.
  • the cross member 22 has a smaller cross-sectional dimension than in the two areas provided thereon on both sides and connected to the side members 14, 16.
  • the see-through recess 28 is provided in the compressor transverse direction Q substantially centrally in the cross member 22, wherein this central region can be characterized, for example, by a plate-like support element 36 extending upward from the cross member 22 or the bottom wall 34.
  • a strut 38 bridging the see-through recess 28 in its upper region and thus extending essentially in the compressor transverse direction Q passes through the plate-like support element 36 and is connected to the cross member 22 in the area of the side walls 30, 32.
  • a welded joint with both the cross member 22, as well as with the plate-like support member 36 provide a stable connection.
  • the see-through recess 28 has an extension length, ie in general a depth corresponding to at least 50%, preferably at least 70%, of the extension length, generally the thickness, of the cross member 22 in this compressor height direction H.
  • the strut 38 stiffens the cross member 22, but does not affect the view through the see-through opening 28 substantially. For stiffening also contributes to the plate-like support member 36, which is also connected to the strut 38 in the longitudinal center region due to its central positioning and due to the central positioning of the see-through recess 28.
  • the plate-like support member 36 thus, the basically upwardly open see-through recess 28 is divided into two see-through recessed areas 40, 42.
  • the Fig. 2 shows the in Fig. 1
  • the dozer blade 44 has at its two in the transverse direction of the compressor H spaced end portions pivot arms 46, 48, which in the region of the two side members 14, 16 with the compressor roller frame 12 are pivotally supported about a pivot axis substantially parallel to the roller rotation axis or compressor transverse direction Q.
  • a piston / cylinder unit 50 provides a plow blade lift 52 through which the plow blade 44 can be raised or lowered.
  • the piston / cylinder unit 50 can be connected in one of its end regions in a longitudinal center region of the rake blade 44 and can in their other end region with the cross member 22, in particular the plate-like support member 36 carried thereon, be hingedly connected.
  • the plow blade 44 is formed in its upper area in the compressor height direction H with a plurality of plow blade clearances 54. These can be essentially provided by spaces between in the compressor transverse direction Q over a shield portion 56 of the dozer blade 44 extending Räumschildstangen 58.
  • the Räumschildstangen 58 thus extend effective for clearing the effective area of the rake blade 44 on the shield area 56 upwards, but allow the View through this area on the area of the substrate U immediately before the compacting roller 18 and before the clearing blade 44.
  • the Räumschildstangen 58 at several in the compressor transverse direction Q adjacent and also the shield area 56 bearing Räumschildplatten 60 be firmly worn.
  • the operator P receives over the upper area the compacting roller 18 substantially free view of the substrate to be compacted U in the area in front of the compacting roller 18.
  • the inventive design of the plow blade 44 allows a substantially undisturbed view of the area immediately in front of the plow blade 44.
  • this structure according to the invention in particular of the cross member 22 is then of substantial advantage when this cross member 22 in the compressor height direction H with respect to the main frame with the compressor 23 to connecting cross member 20 is offset upwards and is without providing the see-through recess in the field of view of the operator P.
  • the cross member 22 may also be provided by two or more in the compressor height direction H superimposed transverse support members of the cross member, which extend between the two side rails 14, 16 and provide respective see-through recesses. Also, in embodiment of the cross member 22 in the in Fig. 1 shown several of the see-through recesses in the compressor transverse direction Q may be provided sequentially.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Road Paving Machines (AREA)
  • Soil Working Implements (AREA)

Abstract

Ein Bodenverdichter umfasst eine an einem Verdichterwalzenrahmen (12) um eine Walzendrehachse drehbar getragene Verdichterwalze (18), wobei der Verdichterwalzenrahmen (12) zwei bezüglich einer Verdichterlängsrichtung (L) beidseits der Verdichterwalze (18) angeordnete, diese tragende Längsträger (14, 16) und zwei bezüglich einer Verdichterquerrichtung (Q) beidseits der Verdichterwalze (18) angeordnete und die Längsträger (14, 16) miteinander verbindende Querträger (20, 22) umfasst, wobei der Verdichterwalzenrahmen (12) über einen der beiden Querträger (20, 22) mit einem Verdichterhauptrahmen verbunden ist, wobei in dem anderen der beiden Querträger (20, 22) wenigstens eine Durchsichtaussparung (28) vorgesehen ist.A soil compactor comprises a compressor roller (18) rotatably supported on a compressor roller frame (12) about a roller rotation axis, the compressor roller frame (12) having two longitudinal beams (14, 16) and two longitudinally relative to a compressor longitudinal direction (L) on both sides of the compressor roller (18) two with respect to a compressor transverse direction (Q) on both sides of the compressor roller (18) arranged and the longitudinal beams (14, 16) interconnecting cross member (20, 22), wherein the compressor roller frame (12) via one of the two cross members (20, 22) with a Compressor main frame is connected, wherein in the other of the two cross members (20, 22) at least one see-through recess (28) is provided.

Description

Die vorliegende Erfindung betrifft einen Bodenverdichter, der beispielsweise eingesetzt werden kann, um im Straßenbau den Untergrund eines zu asphaltierenden Bereichs vorzubereiten oder den auf diesen Untergrund ausgebrachten Asphalt zu verdichten.The present invention relates to a soil compactor, which can be used, for example, to prepare the road surface of an area to be asphalted or to compact the asphalt applied to this substrate.

Aus der DE 10 2013 203 860 A1 ist ein Bodenverdichter bekannt, welcher einen im Wesentlichen einen Vorderwagen bereitstellenden Verdichterwalzenrahmen mit einer daran um eine Walzendrehachse drehbar getragenen Verdichterwalze umfasst. Der Verdichterwalzenrahmen umfasst zwei bezüglich einer Verdichterlängsrichtung beidseits der Verdichterwalze angeordnete und diese tragende Längsträger. Zwischen diesen beiden Längsträgern erstrecken sich bezüglich einer Verdichterquerrichtung beidseits der Verdichterwalze, also mit Erstreckungsrichtung im Wesentlichen in Verdichterquerrichtung, zwei Querträger. Über einen dieser beiden Querträger ist der Verdichterwalzenrahmen an einem Verdichterhauptrahmen, also beispielsweise einen auch ein Antriebsaggregat tragenden Hinterwagen angebunden. Der andere der beiden Querträger, also der im Wesentlichen einen vorderen Endbereich des Verdichters bereitstellende Querträger, ist bezüglich des mit dem Verdichterhauptrahmen verbundenen Querträgers in einer Verdichterhöhenrichtung nach oben versetzt, weist also grundsätzlich einen etwas größeren Abstand zu dem zu verdichtenden Untergrund auf. Dies ermöglicht auch das Verdichten in Böschungsbereichen, ohne der Gefahr, dass dieser Querträger in Kontakt mit dem zu verdichtenden Untergrund gelangt.From the DE 10 2013 203 860 A1 For example, a soil compactor is known which comprises a compressor roller frame providing a frontcar substantially with a compressor roller rotatably supported about a roller rotation axis. The compressor roller frame comprises two with respect to a compressor longitudinal direction on both sides of the compressor roller arranged and carrying this longitudinal member. Between these two longitudinal members extend with respect to a compressor transverse direction on both sides of the compressor roller, ie in the direction of extension substantially in the compressor transverse direction, two cross members. About one of these two cross member of the compressor roller frame is connected to a compressor main frame, so for example, a rear-mounted carrying a drive unit. The other of the two crossbeams, that is to say the crossbeam essentially providing a front end region of the compressor, is offset upward in a compressor height direction with respect to the crossbeam connected to the main compressor frame, thus basically has a slightly greater distance from the substrate to be compacted. This also allows the compression in slope areas, without the risk that this cross member comes into contact with the underground to be compacted.

Es ist die Aufgabe der vorliegenden Erfindung, einen Bodenverdichter bereitzustellen, bei welchem für eine den Bodenverdichter bedienende Bedienperson eine verbesserte Sicht auf den vor dem Bodenverdichter liegenden zu verdichtenden Bodenbereich gegeben ist.It is the object of the present invention to provide a soil compactor in which an operator operating the soil compactor has an improved view of the soil area to be compacted in front of the soil compactor.

Erfindungsgemäß wird diese Aufgabe gelöst durch einen Bodenverdichter, umfassend eine an einem Verdichterwalzenrahmen um eine Walzendrehachse drehbar getragene Verdichterwalze, wobei der Verdichterwalzenrahmen zwei bezüglich einer Verdichterlängsrichtung beidseits der Verdichterwalze angeordnete, diese tragende Längsträger und zwei bezüglich einer Verdichterquerrichtung beidseits der Verdichterwalze angeordnete und die Längsträger miteinander verbindende Querträger umfasst, wobei der Verdichterwalzenrahmen über einen der beiden Querträger mit einem Verdichterhauptrahmen verbunden ist, wobei in dem anderen der beiden Querträger wenigstens eine Durchsichtaussparung vorgesehen ist.According to the invention, this object is achieved by a soil compactor comprising a compressor roller rotatably supported on a compressor roller frame about a roller rotation axis, the compressor roller frame having two longitudinal members arranged with respect to a compressor longitudinal direction on both sides of the compressor roller and two with respect to a compressor transverse direction on both sides of the compressor roller and interconnecting the longitudinal members Cross member comprises, wherein the compressor roller frame is connected via one of the two cross members with a compressor main frame, wherein in the other of the two cross member at least one see-through recess is provided.

Da bei dem erfindungsgemäßen Bodenverdichter in dem im Allgemeinen auch einen Endbereich des Bodenverdichters bereitstellenden Querträger wenigstens eine Durchsichtaussparung vorgesehen ist, kann die den Verdichter bedienende Bedienperson durch die Durchsichtaussparung hindurch auf den Bereich sehen, welcher unmittelbar vor der an dem Verdichterwalzenrahmen getragenen Verdichterwalze liegt. Dies ermöglicht eine höhere Präzision bei Durchführung von Verdichtungsarbeiten.Since in the ground compactor according to the invention in the generally also an end portion of the soil compactor providing cross member at least one see-through recess is provided, the operator operating the compressor can see through the see through recess on the area which is immediately before the compressor roller carried on the compressor roller frame. This allows higher precision when performing compaction work.

Um die Sicht für die Bedienperson möglichst wenig zu beeinträchtigen, wird vorgeschlagen, dass die wenigstens eine Durchsichtaussparung in einer Verdichterhöhenrichtung nach oben im Wesentlichen offen ist.In order to affect the view for the operator as little as possible, it is proposed that the at least one see-through recess in a compressor height direction upwards is substantially open.

Um dabei gleichwohl im Bereich dieses Querträgers eine ausreichende Stabilität bereitstellen zu können, wird weiter vorgeschlagen, dass in einem oberen Bereich der wenigstens einen Durchsichtaussparung wenigstens eine diese in der Verdichterquerrichtung überbrückende Strebe vorgesehen ist, wobei die wenigstens eine Strebe eine geringere Querschnittsfläche aufweist als der andere Querträger im Bereich der wenigstens einen Durchsichtaussparung.In order nevertheless to be able to provide sufficient stability in the region of this cross member, it is further proposed that at least one of these in the compressor transverse direction bridging strut is provided in an upper region of the at least one see-through recess, wherein the at least one strut has a smaller cross-sectional area than the other Cross member in the region of at least one see-through recess.

Da ein Führerstand für eine den Bodenverdichter bedienende Bedienperson in der Verdichterquerrichtung im Allgemeinen mittig im Verdichter angeordnet ist und die Bedienperson bei der Durchführung von Verdichtungsvorgängen sich im Allgemeinen auch im Mittenbereich des Verdichters - betrachtet in der Verdichterquerrichtung - aufhalten wird, wird weiter vorgeschlagen, dass eine Durchsichtaussparung in der Verdichterquerrichtung bezüglich einer Mitte des Verdichters zentriert angeordnet ist. Die Bedienperson hat dann durch diese zentrierte Durchsichtaussparung hindurch ein sich in der Verdichterquerrichtung erweiterndes Sichtfeld. Ein weiterer wesentlicher Beitrag zur verbesserten Sicht auf den vor dem Bodenverdichter liegenden Bereich kann dadurch erreicht werden, dass in der Verdichterquerrichtung die wenigstens eine Durchsichtaussparung sich über wenigstens 50%, vorzugsweise wenigstens 70% der Erstreckungslänge des anderen Querträgers in der Verdichterquerrichtung erstreckt, oder/und dass in einer Verdichterhöhenrichtung die wenigstens eine Durchsichtaussparung sich über wenigstens 50%, vorzugsweise wenigstens 70%, der Erstreckungslänge des anderen Querträgers in der Verdichterhöhenrichtung erstreckt.Because a cab for a compressor operating the soil compactor is located generally centrally in the compressor and the operator generally performs compaction operations Also in the center region of the compressor - as viewed in the compressor transverse direction - is stopped, it is further proposed that a see-through recess in the compressor transverse direction is centered with respect to a center of the compressor. The operator then has through this centered see-through recess extending in the compressor transverse direction field of view. Another essential contribution to the improved view of the region lying in front of the soil compactor can be achieved in that in the compressor transverse direction, the at least one see-through recess extends over at least 50%, preferably at least 70% of the extension length of the other cross member in the compressor transverse direction, and / or in that, in a compressor height direction, the at least one see-through recess extends over at least 50%, preferably at least 70%, of the extension length of the other cross-member in the compressor height direction.

Zur Stabilitätserhöhung kann weiter vorgesehen sein, dass die Durchsichtaussparung durch ein in der Verdichterquerrichtung im Wesentlichen in der Mitte des Verdichters angeordnetes und bezüglich des anderen Querträgers und der Strebe abgestütztes, vorzugsweise plattenartiges Trägerelement in zwei Durchsichtaussparungsbereiche unterteilt ist.To increase the stability can further be provided that the see-through recess is divided by a in the compressor transverse direction substantially in the middle of the compressor arranged and supported relative to the other cross member and the strut, preferably plate-like support member into two see-through recessed areas.

Bei einer alternativen, insbesondere hinsichtlich der hohen Stabilität besonders vorteilhaften Ausgestaltungsform wird vorgeschlagen, dass der andere Querträger wenigstens zwei in einer Verdichterhöhenrichtung übereinander angeordnete und zwischen sich eine Durchsichtaussparung bildende Querträgerelemente umfasst.In an alternative, particularly in terms of high stability particularly advantageous embodiment, it is proposed that the other cross member comprises at least two in a compressor height direction one above the other and between them a see-through recess forming cross member elements.

Um mit einem erfindungsgemäß aufgebauten Bodenverdichter auch in Böschungsbereichen verdichten zu können, ohne mit dem Verdichterwalzenrahmen den zu verdichtenden Boden zu berühren, wird vorgeschlagen, dass der andere Querträger in einer Verdichterhöhenrichtung bezüglich des einen Querträgers nach oben versetzt ist.In order to be able to compact with an inventively constructed soil compactor in slope areas, without touching the compacting to the compacting the soil, it is proposed that the other cross member is offset in a compressor height direction with respect to a cross member upwards.

Zur Erhöhung der Einsatzvariabilität eines Bodenverdichters wird vorgeschlagen, dass an dem Verdichterwalzenrahmen ein Räumschild in einer Verdichterhöhenrichtung bewegbar getragen ist.To increase the versatility of use of a soil compactor, it is proposed that a dozer blade is movably supported in the compressor height direction on the compressor roller frame.

Um durch einen derartigen Räumschild keine wesentliche Beeinträchtigung des Sichtfeldes für die Bedienperson zu erzeugen, wird vorgeschlagen, dass der Räumschild in einem in der Verdichterhöhenrichtung oberen Bereich wenigstens eine Räumschild-Durchsichtaussparung aufweist. Hierzu kann beispielsweise vorgesehen sein, dass im oberen Bereich des Räumschilds eine Mehrzahl von zueinander im Wesentlichen parallel verlaufenden Räumschildstangen, vorzugsweise im Wesentlichen parallel zur Verdichterwalzendrehachse sich erstreckend, vorgesehen ist, wobei zwischen wenigstens zwei Räumschildstangen wenigstens eine Räumschild-Durchsichtaussparung gebildet ist.In order not to produce a substantial impairment of the field of view for the operator by such a dozer blade, it is proposed that the dozer blade has at least one clearing blade see-through recess in an upper region in the compressor height direction. For this purpose, it can be provided, for example, that in the upper area of the ploughshare a plurality of mutually substantially parallel Räumschildstangen, preferably substantially parallel to the compressor roller axis of rotation extending, is provided, between at least two Räumschildstangen at least one plow blade-see-through recess is formed.

Um den Räumschild in der Höhenrichtung bewegen zu können, wird vorgeschlagen, dass ein Räumschild-Huborgan, vorzugsweise Kolben/Zylinder-Einheit, bezüglich des Räumschilds und des anderen Querträgers abgestützt ist. Dabei ist vorzugsweise das Räumschild-Huborgan an dem Trägerelement, welches bezüglich des anderen Querträgers und der die wenigstens eine Durchsichtaussparung überbrückenden Strebe abgestützt ist, getragen.In order to move the plow blade in the height direction, it is proposed that a plow blade lifting member, preferably piston / cylinder unit, is supported relative to the plow blade and the other cross member. In this case, preferably, the plow blade-lifting member on the support element, which is supported with respect to the other cross member and the at least one see-through recess bridging strut worn.

Die vorliegende Erfindung wird nachfolgend mit Bezug auf die beiliegenden Figuren detailliert beschrieben. Es zeigt:

Fig. 1
in perspektivischer Ansicht einen Verdichterwalzenrahmen mit einer daran drehbar getragenen Verdichterwalze;
Fig. 2
den Verdichterwalzenrahmen der Fig. 1 mit einem daran schwenkbar angebrachten Räumschild;
Fig. 3
den Räumschild der Fig. 2;
Fig. 4
einen Bodenverdichter in Seitenansicht.
The present invention will be described below in detail with reference to the accompanying drawings. It shows:
Fig. 1
a perspective view of a compressor roller frame with a rotatably supported compressor roller;
Fig. 2
the compressor roller frame the Fig. 1 with a pivotally mounted plow blade;
Fig. 3
the dozer blade of Fig. 2 ;
Fig. 4
a soil compactor in side view.

Die Fig. 1 zeigt einen allgemein als Vorderwagen 10 zu bezeichnenden Teil eines in Fig. 4 dargestellten selbstfahrenden Bodenverdichters 11, der im dargestellten Beispiel als Walzenzug ausgebildet ist. Der Vorderwagen 10 umfasst einen Verdichterwalzenrahmen 12 mit zwei in einer Verdichterlängsrichtung L sich erstreckenden, im Wesentlichen plattenartig ausgebildeten Längsträgern 14, 16. Zwischen diesen beiden Längsträgern 14, 16 ist eine allgemein mit 18 bezeichnete Verdichterwalze derart getragen, dass deren Walzendrehachse sich im Wesentlichen in einer Verdichterquerrichtung Q, also im Wesentlichen orthogonal zur Verdichterlängsrichtung L erstreckt, so dass die beiden Längsträger 14, 16 bezüglich der Verdichterlängsrichtung L beidseits der Verdichterwalze 18 angeordnet sind. Die Verdichterwalze 18 kann an den Längsträgern 14, 16 zur Rotation um ihre Walzendrehachse drehbar getragen sein.The Fig. 1 shows a generally as a front end 10 to be designated part of an in Fig. 4 shown self-propelled soil compactor 11, which is formed in the example shown as a compactor. The front carriage 10 comprises a compressor roller frame 12 with two in a longitudinal direction L compressor extending substantially plate-like longitudinal members 14, 16. Between these two side rails 14, 16 a generally designated 18 compressor roller is supported such that its roller rotation axis substantially in one Compressor transverse direction Q, that extends substantially orthogonal to the compressor longitudinal direction L, so that the two side members 14, 16 are arranged with respect to the compressor longitudinal direction L on both sides of the compressor roller 18. The compactor roller 18 may be rotatably supported on the side rails 14, 16 for rotation about its roller rotation axis.

Zwischen den beiden Längsträgern 14, 16 erstrecken sich im Wesentlichen in der Verdichterquerrichtung Q, also im Wesentlichen auch parallel zur Walzendrehachse der Verdichterwalze 18, zwei bezüglich der Verdichterquerrichtung Q somit beidseits der Verdichterwalze 18 angeordnete Querträger 20, 22. Die beiden Querträger 20, 22 können grundsätzlich kastenartig ausgebildet sein und sind, ebenso wie die Längsträger 14, 16, als Stahlteile ausgeführt.Between the two longitudinal members 14, 16 extend substantially in the compressor transverse direction Q, ie substantially parallel to the roller axis of rotation of the compressor roller 18, two with respect to the compressor transverse direction Q thus both sides of the compressor roller 18 arranged cross member 20, 22. The two cross members 20, 22 can basically be box-shaped and are, as well as the side members 14, 16, designed as steel parts.

Über den Querträger 20 ist der Verdichterwalzenrahmen 12 bzw. der Vorderwagen 10 mit einem Verdichterhauptrahmen 23, der beispielsweise an einem Hinterwagen 25 vorgesehen sein kann, verbunden. Zum Lenken eines so aufgebauten Bodenverdichters 11 kann der Vorderwagen 10 mit dem Verdichterhauptrahmen 23 beispielsweise um eine näherungsweise in einer Verdichterhöhenrichtung H sich erstreckende Schwenkachse schwenkbar, also gelenkig verbunden sein.About the cross member 20 of the compressor roller frame 12 and the front end 10 is connected to a compressor main frame 23, which may be provided for example on a rear carriage 25. To steer a ground compactor 11 thus constructed, the front carriage 10 can be connected to the main frame 23 of the compressor in such a way that it can swivel, ie be articulated, about an axis of rotation approximately extending in a direction of the compressor height H.

Man erkennt in Fig. 1, dass die beiden Querträger 20, 22 in der Verdichterhöhenrichtung H zueinander versetzt liegen, so dass der mit dem Verdichterhauptrahmen 23 verbundene oder zu verbindende Querträger 20 in der Verdichterhöhenrichtung H bezüglich des anderen Querträgers 22 nach unten versetzt liegt. Dies hat zur Folge, dass der vom Verdichterhauptrahmen 23 bzw. dem Hinterwagen 25 des Bodenverdichters 11 weiter entfernt liegende und im Wesentlichen beispielsweise den vorderen Endbereich des Bodenverdichters 11 bereitstellende Querträger 22 höher liegt, insbesondere mit seinem unteren Randbereich 24 bzw. einem unter diesem Querträger 22 angeordneten Abstreifer 26 von dem zu verdichtenden Untergrund U in der Verdichterhöhenrichtung H nach oben weiter entfernt liegt. Dies hat zum Vorteil, dass mit diesem Vorderwagen 10 auch in Anböschungsbereichen verdichtet werden kann, ohne dass der Querträger 22 bzw. der darunter angeordnete Abstreifer 26 in Kontakt mit dem zu verdichtenden Untergrund U kommt.One recognizes in Fig. 1 in that the two cross members 20, 22 are offset relative to one another in the compressor height direction H, so that the cross member 20 connected or to be connected to the main frame 23 of the compressor is offset in the compressor height direction H with respect to the other cross member 22. This has the consequence that the compressor main frame 23 and the Rear trolley 25 of the soil compactor 11 further away and essentially, for example, the front end of the soil compactor 11 providing cross member 22 is higher, in particular with its lower edge region 24 and disposed under this cross member 22 scraper 26 of the substrate to be compressed U in the compressor height direction H. upwards further away. This has the advantage that can be compressed with this front end 10 also in Anböschungsbereichen without the cross member 22 and the scraper disposed below 26 comes into contact with the underground to be compacted U.

Um für eine im Allgemeinen im Führerstand 27 am Hinterwagen 25 positionierte Bedienperson P den Blick auf den zu verdichtenden Bodenbereich unmittelbar benachbart, also beispielsweise vor der Verdichterwalze 18 freizugeben, weist der Querträger 22, welcher bei Bewegung des Vorderwagens 10 in der Darstellung der Fig. 1 nach links den vorderen Endbereich des Bodenverdichters 11 definiert, eine Durchsichtaussparung 28 auf. Diese in der Verdichterlängsrichtung L sich vollständig durch den Querträger 22 hindurch erstreckende Durchsichtaussparung 28 ist im Wesentlichen in der Verdichterhöhenrichtung H nach oben offen und ist z.B. durch zwei am Querträger 22 gebildete Seitenwandungen 30, 32 bzw. eine Bodenwandung 34 begrenzt. Im Bereich der Durchsichtaussparung 28 weist der Querträger 22 eine geringere Querschnittsabmessung auf, als in den beiden beidseits daran vorgesehenen und an die Längsträger 14, 16 angebundenen Bereichen. Die Durchsichtaussparung 28 ist in der Verdichterquerrichtung Q im Wesentlichen mittig im Querträger 22 vorgesehen, wobei dieser Mittenbereich beispielsweise durch ein vom Querträger 22 bzw. der Bodenwandung 34 sich nach oben erstreckendes, plattenartiges Trägerelement 36 gekennzeichnet sein kann. Eine die Durchsichtaussparung 28 in deren oberem Bereich überbrückende und somit sich im Wesentlichen in der Verdichterquerrichtung Q erstreckende Strebe 38 durchsetzt das plattenartige Trägerelement 36 und ist im Bereich der Seitenwandungen 30, 32 an den Querträger 22 angebunden. Hier kann beispielsweise eine Schweißverbindung sowohl mit dem Querträger 22, als auch mit dem plattenartigen Trägerelement 36 für eine stabile Verbindung sorgen.In order for a generally positioned in the cab 27 on the rear carriage 25 operator P the view of the area to be compacted immediately adjacent, ie, for example, release before the compactor roller 18, the cross member 22, which upon movement of the front carriage 10 in the illustration of Fig. 1 Defined to the left of the front end portion of the soil compactor 11, a see-through recess 28. This in the compressor longitudinal direction L completely through the cross member 22 extending therethrough see-through recess 28 is substantially open in the compressor height direction H upwards and is limited for example by two side walls 30, 32 formed on the cross member 22 and a bottom wall 34. In the area of the see-through recess 28, the cross member 22 has a smaller cross-sectional dimension than in the two areas provided thereon on both sides and connected to the side members 14, 16. The see-through recess 28 is provided in the compressor transverse direction Q substantially centrally in the cross member 22, wherein this central region can be characterized, for example, by a plate-like support element 36 extending upward from the cross member 22 or the bottom wall 34. A strut 38 bridging the see-through recess 28 in its upper region and thus extending essentially in the compressor transverse direction Q passes through the plate-like support element 36 and is connected to the cross member 22 in the area of the side walls 30, 32. Here, for example, a welded joint with both the cross member 22, as well as with the plate-like support member 36 provide a stable connection.

Um für die Bedienperson P eine gute Sicht auf den vor der Verdichterwalze 18liegenden Bereich des Untergrunds U zu gewährleisten, weist die in der Verdichterquerrichtung Q näherungsweise mittig im Querträger 22 vorgesehene Durchsichtaussparung 28 in der Verdichterquerrichtung Q eine Erstreckungslänge auf, die wenigstens 50 %, vorzugsweise wenigstens 70 % der Erstreckungslänge des Querträgers 22 in dieser Richtung beträgt. Dadurch wird gewährleistet, dass für die Bedienperson P die seitlichen Randbereiche vor der Verdichterwalze 18 ebenso gut einzusehen sind, wie der Mittenbereich des zu verdichtenden Untergrunds U. Hierzu kann des Weiteren vorgesehen sein, dass in der Verdichterhöhenrichtung H die Durchsichtaussparung 28 eine Erstreckungslänge, also allgemein eine Tiefe, aufweist, die wenigstens 50 %, vorzugsweise wenigstens 70 % der Erstreckungslänge, im Allgemeinen also der Dicke, des Querträgers 22 in dieser Verdichterhöhenrichtung H entspricht.In order for the operator P to ensure a good view of the area lying in front of the compressor roller 18 area of the substrate U, provided in the compressor transverse direction Q approximately centrally in the cross member 22 see-through recess 28 in the compressor transverse direction Q has an extension length which at least 50%, preferably at least 70% of the extension length of the cross member 22 in this direction. This ensures that the lateral edge areas in front of the compressor roller 18 are just as visible to the operator P as the central area of the substrate U to be compacted. For this purpose, it may further be provided that in the compressor height direction H the see-through recess 28 has an extension length, ie in general a depth corresponding to at least 50%, preferably at least 70%, of the extension length, generally the thickness, of the cross member 22 in this compressor height direction H.

Die Strebe 38 versteift den Querträger 22, beeinträchtigt jedoch die Sicht durch die Durchsichtöffnung 28 hindurch im Wesentlichen nicht. Zur Versteifung trägt auch das plattenartige Trägerelement 36 bei, welches aufgrund seiner mittigen Positionierung und aufgrund der mittigen Positionierung der Durchsichtaussparung 28 auch mit der Strebe 38 in deren Längenmittenbereich verbunden ist. Durch das plattenartige Trägerelement 36 wird somit die grundsätzlich nach oben offene Durchsichtaussparung 28 in zwei Durchsichtaussparungsbereiche 40, 42 unterteilt.The strut 38 stiffens the cross member 22, but does not affect the view through the see-through opening 28 substantially. For stiffening also contributes to the plate-like support member 36, which is also connected to the strut 38 in the longitudinal center region due to its central positioning and due to the central positioning of the see-through recess 28. By the plate-like support member 36, thus, the basically upwardly open see-through recess 28 is divided into two see-through recessed areas 40, 42.

Die Fig. 2 zeigt den in Fig. 1 dargestellten Vorderwagen 10 mit seinem Verdichterwalzenrahmen 12 in Verbindung mit einem daran schwenkbar getragenen Räumschild 44. Der Räumschild 44 weist an seinen beiden in der Verdichterquerrichtung H in Abstand liegenden Endbereichen Schwenkarme 46, 48 auf, welche im Bereich der beiden Längsträger 14, 16 mit dem Verdichterwalzenrahmen 12 um eine zur Walzendrehachse bzw. Verdichterquerrichtung Q im Wesentlichen parallele Schwenkachse schwenkbar getragen sind. Eine Kolben/Zylinder-Einheit 50 stellt ein Räumschild-Huborgan 52 bereit, durch welches der Räumschild 44 angehoben bzw. abgesenkt werden kann. Die Kolben/Zylinder-Einheit 50 kann dabei in einem ihrer Endbereiche in einem Längenmittenbereich an den Räumschild 44 angebunden sein und kann in ihrem anderen Endbereich mit dem Querträger 22, insbesondere dem daran getragenen plattenartigen Trägerelement 36, gelenkig verbunden sein.The Fig. 2 shows the in Fig. 1 The dozer blade 44 has at its two in the transverse direction of the compressor H spaced end portions pivot arms 46, 48, which in the region of the two side members 14, 16 with the compressor roller frame 12 are pivotally supported about a pivot axis substantially parallel to the roller rotation axis or compressor transverse direction Q. A piston / cylinder unit 50 provides a plow blade lift 52 through which the plow blade 44 can be raised or lowered. The piston / cylinder unit 50 can be connected in one of its end regions in a longitudinal center region of the rake blade 44 and can in their other end region with the cross member 22, in particular the plate-like support member 36 carried thereon, be hingedly connected.

Um die Sicht auf den vor der Verdichterwalze 18 liegenden Bereich des Untergrunds U durch den Räumschild 44 nicht wesentlich zu beeinträchtigen, ist der Räumschild 44 in seinen in der Verdichterhöhenrichtung H oberen Bereich mit einer Mehrzahl von Räumschild-Durchsichtaussparungen 54 ausgebildet. Diese können im Wesentlichen bereitgestellt sein durch Zwischenräume zwischen in der Verdichterquerrichtung Q über einem Schildbereich 56 des Räumschilds 44 sich erstreckende Räumschildstangen 58. Die Räumschildstangen 58 verlängern somit den zum Räumen effektiv wirksamen Bereich des Räumschilds 44 über den Schildbereich 56 nach oben hinaus, ermöglichen jedoch die Sicht durch diesen Bereich hindurch auf den Bereich des Untergrunds U unmittelbar vor der Verdichterwalze 18 bzw. vor dem Räumschild 44. Dabei können vorzugsweise die Räumschildstangen 58 an mehreren in der Verdichterquerrichtung Q nebeneinander liegenden und auch den Schildbereich 56 tragenden Räumschildplatten 60 fest getragen sein.In order not to significantly affect the view of the region of the substrate U lying in front of the compressor roller 18 by the plow blade 44, the plow blade 44 is formed in its upper area in the compressor height direction H with a plurality of plow blade clearances 54. These can be essentially provided by spaces between in the compressor transverse direction Q over a shield portion 56 of the dozer blade 44 extending Räumschildstangen 58. The Räumschildstangen 58 thus extend effective for clearing the effective area of the rake blade 44 on the shield area 56 upwards, but allow the View through this area on the area of the substrate U immediately before the compacting roller 18 and before the clearing blade 44. In this case, preferably the Räumschildstangen 58 at several in the compressor transverse direction Q adjacent and also the shield area 56 bearing Räumschildplatten 60 be firmly worn.

Durch das Bereitstellen der Durchsichtaussparung 28, vorzugsweise in einem mittigen Bereich des Querträgers 22 und vorzugsweise mit derartiger Erstreckungslänge, dass diese wenigstens 50%, vorzugsweise wenigstens 70% der Erstreckungslänge des Querträgers 22 in der Verdichterquerrichtung Q einnimmt, erhält die Bedienperson P über den oberen Bereich der Verdichterwalze 18 hinweg im Wesentlichen freie Sicht auf den zu verdichtenden Untergrund U im Bereich vor der Verdichterwalze 18. Die zur Stabilisierung bzw. Versteifung des Querträgers 22 eingesetzten Organe, insbesondere die Strebe 38, beeinträchtigen die Sicht auf diesen Bereich des Untergrunds U im Wesentlichen nicht. Ebenso ermöglicht die erfindungsgemäße Ausgestaltung des Räumschilds 44 eine im Wesentlichen unbeeinträchtigte Sicht auf den Bereich unmittelbar vor dem Räumschild 44.By providing the see-through recess 28, preferably in a central region of the cross member 22 and preferably with such an extension length that occupies at least 50%, preferably at least 70% of the extension length of the cross member 22 in the compressor transverse direction Q, the operator P receives over the upper area the compacting roller 18 substantially free view of the substrate to be compacted U in the area in front of the compacting roller 18. The used for stabilizing or stiffening of the cross member 22 organs, in particular the strut 38, affect the view of this area of the substrate U substantially not , Likewise, the inventive design of the plow blade 44 allows a substantially undisturbed view of the area immediately in front of the plow blade 44.

Es ist darauf hinzuweisen, dass dieser erfindungsgemäße Aufbau insbesondere des Querträgers 22 dann von substantiellem Vorteil ist, wenn dieser Querträger 22 in der Verdichterhöhenrichtung H bezüglich des mit dem Verdichterhauptrahmen 23 zu verbindenden Querträgers 20 nach oben versetzt ist und ohne Bereitstellen der Durchsichtaussparung im Sichtfeld der Bedienperson P liegt.It should be noted that this structure according to the invention in particular of the cross member 22 is then of substantial advantage when this cross member 22 in the compressor height direction H with respect to the main frame with the compressor 23 to connecting cross member 20 is offset upwards and is without providing the see-through recess in the field of view of the operator P.

Die Prinzipien der vorliegenden Erfindung, also das Bereitstellen einer Durchsichtaussparung, können auch in anderer Weise realisiert werden. So kann der Querträger 22 auch durch zwei oder mehrere in der Verdichterhöhenrichtung H übereinander angeordnete Querträgerelemente des Querträgers bereitgestellt sein, die sich zwischen den beiden Längsträgern 14, 16 erstrecken und zwischen sich jeweilige Durchsichtaussparungen bereitstellen. Auch können bei Ausgestaltung des Querträgers 22 in der in Fig. 1 dargestellten Art und Weise mehrere der Durchsichtaussparungen in der Verdichterquerrichtung Q aufeinanderfolgend vorgesehen sein.The principles of the present invention, ie the provision of a see-through recess, can also be realized in other ways. Thus, the cross member 22 may also be provided by two or more in the compressor height direction H superimposed transverse support members of the cross member, which extend between the two side rails 14, 16 and provide respective see-through recesses. Also, in embodiment of the cross member 22 in the in Fig. 1 shown several of the see-through recesses in the compressor transverse direction Q may be provided sequentially.

Claims (12)

Bodenverdichter, umfassend eine an einem Verdichterwalzenrahmen (12) um eine Walzendrehachse drehbar getragene Verdichterwalze (18), wobei der Verdichterwalzenrahmen (12) zwei bezüglich einer Verdichterlängsrichtung (L) beidseits der Verdichterwalze (18) angeordnete, diese tragende Längsträger (14, 16) und zwei bezüglich einer Verdichterquerrichtung (Q) beidseits der Verdichterwalze (18) angeordnete und die Längsträger (14, 16) miteinander verbindende Querträger (20, 22) umfasst, wobei der Verdichterwalzenrahmen (12) über einen der beiden Querträger (20, 22) mit einem Verdichterhauptrahmen (23) verbunden ist, wobei in dem anderen der beiden Querträger (20, 22) wenigstens eine Durchsichtaussparung (28) vorgesehen ist.A compactor comprising a compacting roller (18) rotatably supported on a compacting roller frame (12) about a roller rotating axis, said compacting roller frame (12) having two longitudinal beams (14, 16) and a compressor longitudinally (L) disposed on either side of said compacting roller (18) two with respect to a compressor transverse direction (Q) on both sides of the compressor roller (18) arranged and the longitudinal beams (14, 16) interconnecting cross member (20, 22), wherein the compressor roller frame (12) via one of the two cross members (20, 22) with a Compressor main frame (23) is connected, wherein in the other of the two transverse beams (20, 22) at least one see-through recess (28) is provided. Bodenverdichter nach Anspruch 1,
dadurch gekennzeichnet, dass die wenigstens eine Durchsichtsaussparung (28) in einer Verdichterhöhenrichtung (H) nach oben im Wesentlichen offen ist.Ground compactor according to claim 1,
characterized in that the at least one see-through recess (28) is substantially open at the top in a compressor height direction (H). Bodenverdichter nach Anspruch 2,
dadurch gekennzeichnet, dass in einem oberen Bereich der wenigstens einen Durchsichtaussparung (28) wenigstens eine diese in der Verdichterquerrichtung (Q) überbrückende Strebe (38) vorgesehen ist, wobei die wenigstens eine Strebe (38) eine geringere Querschnittsfläche aufweist als der andere Querträger (22) im Bereich der wenigstens einen Durchsichtaussparung (28).Ground compactor according to claim 2,
characterized in that in an upper region of the at least one see-through recess (28) at least one of these in the compressor transverse direction (Q) bridging strut (38) is provided, wherein the at least one strut (38) has a smaller cross-sectional area than the other cross member (22 ) in the region of the at least one see-through recess (28). Bodenverdichter nach einem der Ansprüche 1-3,
dadurch gekennzeichnet, dass eine Durchsichtaussparung (28) in der Verdichterquerrichtung (Q) bezüglich einer Mitte des Verdichters zentriert angeordnet ist, oder/und dass in der Verdichterquerrichtung (Q) die wenigstens eine Durchsichtaussparung (28) sich über wenigstens 50%, vorzugsweise wenigstens 70%, der Erstreckungslänge des anderen Querträgers (22) in der Verdichterquerrichtung (Q) erstreckt, oder/und dass in einer Verdichterhöhenrichtung (H) die wenigstens eine Durchsichtaussparung (28) sich über wenigstens 50%, vorzugsweise wenigstens 70%, der Erstreckungslänge des anderen Querträgers (22) in der Verdichterhöhenrichtung (H) erstreckt.Ground compactor according to one of claims 1-3,
characterized in that a see-through recess (28) in the compressor transverse direction (Q) is centered with respect to a center of the compressor, and / or that in the compressor transverse direction (Q) the at least one see-through recess (28) is over at least 50%, preferably at least 70 %, the extension length of the other cross member (22) in the compressor transverse direction (Q) extends, and / or that in a compressor height direction (H) the at least one see-through recess (28) extends over at least 50%, preferably at least 70%, of the extension length of the other cross member (22) in the compressor height direction (H). Bodenverdichter nach Anspruch 3 und Anspruch 4 ,
dadurch gekennzeichnet, dass die Durchsichtaussparung (28) durch ein in der Verdichterquerrichtung (Q) im Wesentlichen in der Mitte des Verdichters angeordnetes und bezüglich des anderen Querträgers (22) und der Strebe (38) abgestütztes, vorzugsweise plattenartiges Trägerelement (36) in zwei Durchsichtaussparungsbereiche (40, 42) unterteilt ist.Ground compactor according to claim 3 and claim 4,
characterized in that the see-through recess (28) by a in the compressor transverse direction (Q) substantially in the center of the compressor and arranged with respect to the other cross member (22) and the strut (38) supported, preferably plate-like support member (36) in two see-through recessed areas (40, 42) is divided. Bodenverdichter nach Anspruch 1,
dadurch gekennzeichnet, dass der andere Querträger (22) wenigstens zwei in einer Verdichterhöhenrichtung (H) übereinander angeordnete und zwischen sich eine Durchsichtaussparung bildende Querträgerelemente umfasst.Ground compactor according to claim 1,
characterized in that the other cross member (22) at least two in a compressor height direction (H) arranged one above the other and between them a see-through recess forming cross member elements. Bodenverdichter nach einem der Ansprüche 1-6,
dadurch gekennzeichnet, dass der andere Querträger (22) in einer Verdichterhöhenrichtung (H) bezüglich des einen Querträgers (20) nach oben versetzt ist.A soil compactor according to any one of claims 1-6,
characterized in that the other cross member (22) in a compressor height direction (H) with respect to the one cross member (20) is offset upwards. Bodenverdichter nach einem der Ansprüche 1-7,
dadurch gekennzeichnet, dass an dem Verdichterwalzenrahmen (12) ein Räumschild (44) in einer Verdichterhöhenrichtung (H) bewegbar getragen ist.A soil compactor according to any one of claims 1-7,
characterized in that on the compressor roller frame (12) a plow blade (44) in a compressor height direction (H) is movably supported. Bodenverdichter nach Anspruch 8,
dadurch gekennzeichnet, dass der Räumschild (44) in einem in der Verdichterhöhenrichtung (H) oberen Bereich wenigstens eine Räumschild-Durchsichtaussparung (54) aufweist.Ground compactor according to claim 8,
characterized in that the plow blade (44) in an upper direction in the compressor height direction (H) has at least one plow blade see-through recess (54). Bodenverdichter nach Anspruch 9,
dadurch gekennzeichnet, dass im oberen Bereich des Räumschilds (44) eine Mehrzahl von zueinander im Wesentlichen parallel verlaufenden Räumschildstangen (58), vorzugsweise im Wesentlichen parallel zur Verdichterwalzendrehachse sich erstreckend vorgesehen ist, wobei zwischen wenigstens zwei Räumschildstangen (58) wenigstens eine Räumschild-Durchsichtaussparung (54) gebildet ist.Ground compactor according to claim 9,
characterized in that in the upper area of the clearing blade (44) a plurality of mutually substantially parallel Räumschildstangen (58), preferably substantially parallel to the compressor roller rotation axis is provided extending, wherein between at least two Räumschildstangen (58) at least one Räumschild-Durchsichtaussparung ( 54) is formed. Bodenverdichter nach einem der Ansprüche 8-10, dadurch gekennzeichnet, dass ein Räumschild-Huborgan (52), vorzugsweise Kolben/Zylinder-Einheit (50), bezüglich des Räumschilds (44) und des anderen Querträgers (22) abgestützt ist.Ground compactor according to one of claims 8-10, characterized in that a plow blade lifting member (52), preferably piston / cylinder unit (50), with respect to the plow blade (44) and the other cross member (22) is supported. Bodenverdichter nach Anspruch 5 und Anspruch 11, dadurch gekennzeichnet, dass das Räumschild-Huborgan (52) an dem Trägerelement (36) getragen ist.Ground compactor according to claim 5 and claim 11, characterized in that the plow blade lifting member (52) on the support element (36) is supported.
EP17166732.2A 2016-04-21 2017-04-18 Soil compactor Active EP3235952B1 (en)

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EP18208439.2A EP3492656B1 (en) 2016-04-21 2017-04-18 Soil compactor
EP20183609.5A EP3736377B1 (en) 2016-04-21 2017-04-18 Soil compactor

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DE102016107366.0A DE102016107366A1 (en) 2016-04-21 2016-04-21 compactor

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EP20183609.5A Division EP3736377B1 (en) 2016-04-21 2017-04-18 Soil compactor
EP18208439.2A Division EP3492656B1 (en) 2016-04-21 2017-04-18 Soil compactor
EP18208439.2A Division-Into EP3492656B1 (en) 2016-04-21 2017-04-18 Soil compactor

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Also Published As

Publication number Publication date
EP3492656A1 (en) 2019-06-05
US9915040B2 (en) 2018-03-13
EP3736377A1 (en) 2020-11-11
CN207003191U (en) 2018-02-13
EP3235952B1 (en) 2019-02-20
DE102016107366A1 (en) 2017-10-26
EP3736377B1 (en) 2021-12-08
CN107304541A (en) 2017-10-31
CN111877097A (en) 2020-11-03
CN107304541B (en) 2020-09-08
CN111877097B (en) 2022-10-11
US20170306571A1 (en) 2017-10-26
EP3492656B1 (en) 2020-09-30

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