EP1580331A2 - Undercarriage for mobile working machines. - Google Patents

Undercarriage for mobile working machines. Download PDF

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Publication number
EP1580331A2
EP1580331A2 EP05006586A EP05006586A EP1580331A2 EP 1580331 A2 EP1580331 A2 EP 1580331A2 EP 05006586 A EP05006586 A EP 05006586A EP 05006586 A EP05006586 A EP 05006586A EP 1580331 A2 EP1580331 A2 EP 1580331A2
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EP
European Patent Office
Prior art keywords
undercarriage
support
mobile machines
machines according
continuous
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
EP05006586A
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German (de)
French (fr)
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EP1580331A3 (en
EP1580331B1 (en
Inventor
Oliver Autenrieth
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.)
Liebherr Hydraulikbagger GmbH
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Liebherr Hydraulikbagger GmbH
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Publication of EP1580331A2 publication Critical patent/EP1580331A2/en
Publication of EP1580331A3 publication Critical patent/EP1580331A3/en
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Publication of EP1580331B1 publication Critical patent/EP1580331B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs

Definitions

  • the invention relates to an undercarriage for mobile machines with extendable Supporting devices according to the preamble of claim 1.
  • Mobile work machines such as hydraulic excavators, crawler excavators and others Earthmoving machines or handling equipment usually have one Undercarriage on which the driving equipment, for example, the wheels or For example, chain drives are arranged. Furthermore, the undercarriage usually a receiving plate for a slewing ring, on which the to the superstructure belonging turntable with slewing gear can be placed.
  • This known Construction points in particular due to the extensive components and Lagerstellen a large manufacturing effort.
  • From DE 34 08 172 C is a mobile crane with an undercarriage according to the The preamble of claim 1 known.
  • a wheeled on rubber wheels Crane described with a main frame, at the same time the undercarriage forms.
  • On the main frame are lowered to a lower support feet provided.
  • four support arms are hinged to the main frame, which a folded folded into an unfolded position. Also the support arms wear appropriate outriggers.
  • Object of the present invention is a generic undercarriage in such a way that bearings and components can be saved and thus a low production cost, which leads to a minimization of the manufacturing costs leads, is made possible.
  • an undercarriage for mobile machines with executable support means having a first continuous rigid Carrier equipped on which a part of the support devices is arranged and on which another continuous carrier and the divided support arms are pivotally hinged, carrying the rest of the supporting devices.
  • the first continuous rigid support oblique to the imaginary one Longitudinal axis of the undercarriage aligned and the other continuous carrier or the split support arms are point symmetric to a real or imaginary one Pivot point aligned with the continuous rigid support, wherein they also carry driving equipment.
  • This new construction breaks away from that usual construction concept of the undercarriage, which usually consists of a complex Welded construction with rigidly arranged side rails and these interconnecting cross members, on which the slewing ring bearings, existed.
  • the continuous rigid support via a rotary joint in the real Pivot to be connected to the second continuous rigid support. It can a main driving device in the area of the connection axis between the be arranged two carriers, in which case at the respective carriers additional Auxiliary driving devices can be arranged in the form of support rollers.
  • the continuous rigid support with two laterally swinging straps connected.
  • the carriers can accommodate actively steered wheel sets as driving devices.
  • the further continuous carriers or the divided support arms via drive means, such as piston-cylinder arrangements, Be threaded spindles or gear swing out.
  • the further continuous carrier or the divided carrier arms may be connected via locking means, like multi-disc brakes or bolts, can be fixed in their respective position be.
  • FIGS. 1 and 2 show a first embodiment of a subframe 10 shown having a rigidly continuous support 12, the one here in detail not shown rotary connection with a second continuous rigid Carrier 14 is pivotally connected.
  • support means 20 which consist essentially of support plates 22, via adjusting devices 24 extendable or retractable.
  • the continuous rigid support 12 and 14, the ball slewing rings together are connected, each have center pivot bearings 26.
  • On the slewing ring 26 of the rigid continuous carrier 14 may in the usual way the Put on the revolving platform of the superstructure of the working machine. Because this is about is known constructions, this is not shown in more detail in the drawing.
  • a single-wheel drive arranged with individual wheels 18.
  • the driving stability results from four support rollers 30, which are each arranged on the arms of the rigid support 12 and 14 respectively.
  • the undercarriage is shown in a driving position
  • the undercarriage is shown in the working position, in which the rigid support 12 and 14 against each other and are pivoted in a support position.
  • the rigid carrier 12 and 14 pivoted so far that they are almost at right angles to each other taking.
  • the first continuous rigid support 12 is not in aligned with the imaginary longitudinal axis of the undercarriage, but obliquely to this, so that here is an asymmetrical arrangement relative to a possible Axisymmetry imaginary longitudinal axis of the undercarriage results.
  • the second continuous carrier fourteenth arranged point-symmetrically to the first support arm 12.
  • FIG. 3 A similar symmetry results from the design of the undercarriage accordingly of Fig. 3.
  • This has a likewise asymmetric continuous rigid support 12, on which split support arms 34 and 36 each pivot are articulated. These are point symmetrical about an imaginary pivot point hinged.
  • a pivoting of the support arms takes place here not shown Way over adjusting devices, these drive means such Piston cylinder arrangements, threaded spindles or gear can include.
  • the split support arms shown here can be detected via locking means, such as multi-disc brakes or in the simplest case bolts (not shown here in detail) be fixable in their respective position.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)

Abstract

Chassis (10) comprises a first rigid support (12) aligned at a slant to the imaginary longitudinal axis and a further support (14) or a support arm aligned in a point-symmetrical manner on the rigid support. Preferred Features: The rigid support is connected to the further support via a rotary connection in a real pivoting point. The main traveling device is arranged in the region of the connecting axis between the two supports.

Description

Die Erfindung betrifft einen Unterwagen für mobile Arbeitsmaschinen mit ausfahrbaren Abstützeinrichtungen nach dem Oberbegriff des Anspruchs 1.The invention relates to an undercarriage for mobile machines with extendable Supporting devices according to the preamble of claim 1.

Mobile Arbeitsmaschinen, wie beispielsweise Hydraulikbagger, Seilbagger und andere Erdbewegungsmaschinen bzw. Umschlaggeräte haben üblicherweise einen Unterwagen, an welchem die Fahreinrichtungen, beispielsweise also die Räder oder beispielsweise Kettenlaufwerke angeordnet sind. Weiterhin weist der Unterwagen in der Regel eine Aufnahmeplatte für ein Drehkranzlager auf, auf welchem die zum Oberwagen gehörige Drehbühne mit Schwenkwerk aufsetzbar ist. Diese bekannte Konstruktion weist insbesondere aufgrund der umfangreichen Bauteile und Lagerstellen einen großen Fertigungsaufwand auf.Mobile work machines, such as hydraulic excavators, crawler excavators and others Earthmoving machines or handling equipment usually have one Undercarriage on which the driving equipment, for example, the wheels or For example, chain drives are arranged. Furthermore, the undercarriage usually a receiving plate for a slewing ring, on which the to the superstructure belonging turntable with slewing gear can be placed. This known Construction points in particular due to the extensive components and Lagerstellen a large manufacturing effort.

Im Übrigen ist durch den Unterwagen und die daran angelenkten Fahrwerke die Spurbreite der Arbeitsmaschine in der Regel festgelegt.Incidentally, by the undercarriage and the hinged on the chassis Track width of the working machine usually set.

Aus der DE 34 08 172 C ist ein fahrbarer Kran mit einem Unterwagen gemäß dem Oberbegriff des Anspruchs 1 bekannt. Hier ist ein auf gummibereiften Rädern fahrbarer Kran mit einem Hauptrahmen beschrieben, der gleichzeitig den Unterwagen bildet. Am Hauptrahmen sind zum einen zum Boden absenkbare Abstützfüße vorgesehen. Weiterhin sind vier Stützausleger am Hauptrahmen angelenkt, die von einer angeklappten in eine ausgeklappte Stellung überführbar sind. Auch die Stützausleger tragen entsprechende Abstützfüße.From DE 34 08 172 C is a mobile crane with an undercarriage according to the The preamble of claim 1 known. Here is a wheeled on rubber wheels Crane described with a main frame, at the same time the undercarriage forms. On the main frame are lowered to a lower support feet provided. Furthermore, four support arms are hinged to the main frame, which a folded folded into an unfolded position. Also the support arms wear appropriate outriggers.

Aufgabe der vorliegenden Erfindung ist es, einen gattungsgemäßen Unterwagen derart weiterzubilden, dass Lagerstellen und Bauteile eingespart werden können und somit ein geringer Fertigungsaufwand, der zu einer Minimierung der Herstellkosten führt, ermöglicht wird.Object of the present invention is a generic undercarriage in such a way that bearings and components can be saved and thus a low production cost, which leads to a minimization of the manufacturing costs leads, is made possible.

Erfindungsgemäß wird diese Aufgabe durch die Kombination der Merkmale des Anspruchs 1 gelöst. Demnach wird ein Unterwagen für mobile Arbeitsmaschinen mit ausführbaren Abstützeinrichtungen mit einem ersten durchgehenden starren Träger ausgestattet, an dem ein Teil der Abstützvorrichtungen angeordnet ist und an dem ein weiterer durchgehender Träger und der geteilte Trägerarme ausschwenkbar angelenkt sind, die die restlichen Abstützeinrichtungen tragen. Erfindungsgemäß ist der erste durchgehende starre Träger schräg zur gedachten Längsachse des Unterwagens ausgerichtet und der weitere durchgehende Träger oder die geteilten Trägerarme sind punktsymmetrisch zu einem realen oder gedachten Schwenkpunkt auf den durchgehenden starren Träger ausgerichtet, wobei sie ebenfalls Fahreinrichtungen tragen. Diese neue Konstruktion löst sich von dem üblichen Baukonzept des Unterwagens, der in der Regel aus einer komplexen Schweißkonstruktion mit starr zueinander angeordneten Längsträgern und diese miteinander verbindenden Querträgern, auf dem das Drehkranzlager lagert, bestand. Dadurch, dass an dem durchgehenden starren Träger und an dem mit ihm verbundenen durchgehenden Träger bzw. dem angelenkten geteilten Trägerarm unmittelbar die Abstützeinrichtungen angeordnet sind, wird ein direkter Kraftfluss vom Oberwagen in die Abstützeinrichtungen ermöglicht, was eine technische Umsetzung des Baumwurzelprinzips darstellt. Diese Konstruktionsweise spart Lagerstellen und Bauteile ein, was einerseits zu einem geringeren Fertigungsaufwand und damit auch zu geringeren Herstellungskosten führt. Aufgrund der schrägen und damit asymmetrischen Ausrichtungen des ersten Trägers und der entsprechenden punktsymmetrischen Zuordnung des entweder zweiten starren Trägers oder der entsprechend angelenkten geteilten Trägerarme, wobei diese jeweils ebenfalls Fahreinrichtungen tragen, ist durch Verschwenken der Träger zueinander eine variable Spurbreite möglich. Diese variable Spurbreite kann auch unter Last eingestellt werden. In gewünschten Stellungen kann dann durch entsprechendes Ausfahren der Abstützvorrichtung der gesamte Unterwagen abgestützt werden.According to the invention, this object is achieved by the combination of the features of Claim 1 solved. Accordingly, an undercarriage for mobile machines with executable support means having a first continuous rigid Carrier equipped on which a part of the support devices is arranged and on which another continuous carrier and the divided support arms are pivotally hinged, carrying the rest of the supporting devices. According to the invention is the first continuous rigid support oblique to the imaginary one Longitudinal axis of the undercarriage aligned and the other continuous carrier or the split support arms are point symmetric to a real or imaginary one Pivot point aligned with the continuous rigid support, wherein they also carry driving equipment. This new construction breaks away from that usual construction concept of the undercarriage, which usually consists of a complex Welded construction with rigidly arranged side rails and these interconnecting cross members, on which the slewing ring bearings, existed. The fact that on the continuous rigid support and on the with him connected continuous carrier or the articulated divided support arm immediately the support means are arranged, a direct power flow From the superstructure in the support facilities allows, which is a technical implementation representing the tree root principle. This design saves bearing points and components, which on the one hand to a lower production cost and thus also leads to lower production costs. Due to the oblique and Thus, asymmetrical orientations of the first carrier and the corresponding point symmetric assignment of either the second rigid carrier or the according to articulated divided support arms, these also respectively Carrying vehicles is by pivoting the carrier to each other a variable Track width possible. This variable track width can also be adjusted under load become. In desired positions can then by appropriate extension the support device of the entire undercarriage are supported.

Bevorzugte Ausgestaltungen der Erfindung ergeben sich aus den sich an den Hauptanspruch anschließenden Unteransprüchen.Preferred embodiments of the invention will become apparent from the to the Main claim subsequent claims.

So kann der durchgehende starre Träger über eine Drehverbindung im realen Schwenkpunkt mit dem zweiten durchgehenden starren Träger verbunden sein. Es kann eine Hauptfahreinrichtung im Bereich der Verbindungsachse zwischen den beiden Trägern angeordnet sein, wobei dann an den jeweiligen Trägern zusätzliche Hilfsfahreinrichtungen in Form von Stützrollen angeordnet sein können.Thus, the continuous rigid support via a rotary joint in the real Pivot to be connected to the second continuous rigid support. It can a main driving device in the area of the connection axis between the be arranged two carriers, in which case at the respective carriers additional Auxiliary driving devices can be arranged in the form of support rollers.

Gemäß einer alternativen Ausführungsform ist der durchgehende starre Träger mit zwei seitlich ausschwenkbaren Trägern verbunden.According to an alternative embodiment, the continuous rigid support with two laterally swinging straps connected.

Vorteilhaft können die Träger als Fahreinrichtungen aktiv gelenkte Radsätze aufnehmen.Advantageously, the carriers can accommodate actively steered wheel sets as driving devices.

Gemäß einer weiteren vorteilhaften Ausbildung der Erfindung können der weitere durchgehende Träger oder die geteilten Trägerarme über Antriebsmittel, wie Kolben-Zylinderanordnungen, Gewindespindeln oder Getriebe ausschwenkbar sein. Der weitere durchgehende Träger oder die geteilten Trägerarme können über Feststellmittel, wie Lamellenbremsen oder Bolzen, in ihrer jeweiligen Position festlegbar sein.According to a further advantageous embodiment of the invention, the further continuous carriers or the divided support arms via drive means, such as piston-cylinder arrangements, Be threaded spindles or gear swing out. The further continuous carrier or the divided carrier arms may be connected via locking means, like multi-disc brakes or bolts, can be fixed in their respective position be.

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung werden anhand der in der Zeichnung dargestellten Ausführungsbeispiele näher erläutert. Further features, details and advantages of the invention will be apparent from the in the drawings illustrated embodiments explained in more detail.

Es zeigen:

Fig. 1:
eine erste Ausführungsform des erfindungsgemäßen Unterwagens in Fahrstellung,
Fig. 2:
Ausführungsform gemäß Fig. 1 in Arbeitsstellung,
Fig. 3:
eine zweite Ausführungsvariante des erfindungsgemäßen Unterwagens in Fahrstellung und
Fig. 4:
die erfindungsgemäße Ausführungsvariante gemäß Fig. 3 in Arbeitsstellung.
Show it:
Fig. 1:
a first embodiment of the undercarriage according to the invention in the driving position,
Fig. 2:
Embodiment according to FIG. 1 in working position,
3:
a second embodiment of the undercarriage according to the invention in driving position and
4:
the embodiment of the invention according to FIG. 3 in working position.

In den Figuren 1 und 2 ist eine erste Ausführungsvariante eines Unterwagens 10 dargestellt, der einen starr durchgehenden Träger 12, der über eine hier im Detail nicht näher dargestellte Drehverbindung mit einem zweiten durchgehenden starren Träger 14 schwenkbar verbunden ist. An oder nach den jeweiligen Enden der durchgehenden starren Träger 12 und 14 sind Abstützeinrichtungen 20 angeordnet, die im wesentlichen aus Abstützplatten 22 bestehen, die über Verstelleinrichtungen 24 aus- bzw. einfahrbar sind.FIGS. 1 and 2 show a first embodiment of a subframe 10 shown having a rigidly continuous support 12, the one here in detail not shown rotary connection with a second continuous rigid Carrier 14 is pivotally connected. At or after the respective ends of the continuous rigid supports 12 and 14 are arranged support means 20, which consist essentially of support plates 22, via adjusting devices 24 extendable or retractable.

Die durchgehenden starren Träger 12 und 14, die über Kugeldrehkränze miteinander verbunden sind, weisen mittig jeweils Drehkranzlager 26 auf. Auf dem Drehkranzlager 26 des starren durchgehenden Trägers 14 kann in üblicher Weise die Drehbühne des Oberwagens der Arbeitsmaschine aufsetzen. Da es sich hier um bekannte Konstruktionen handelt, wird dies nicht näher in der Zeichnung dargestellt.The continuous rigid support 12 and 14, the ball slewing rings together are connected, each have center pivot bearings 26. On the slewing ring 26 of the rigid continuous carrier 14 may in the usual way the Put on the revolving platform of the superstructure of the working machine. Because this is about is known constructions, this is not shown in more detail in the drawing.

Mittels einer weiteren hier nicht näher dargestellten Drehverbindung, die in einer Achse mit der zuvor genannten Drehverbindung angeordnet ist, ist ein Einzelradantrieb mit Einzelrädern 18 angeordnet. Im hier vorliegenden Fall sind nur zwei Einzelräder vorhanden. Die Fahrstabilität ergibt sich durch jeweils vier Stützrollen 30, die jeweils an den Armen der starren Träger 12 bzw. 14 angeordnet sind. In Fig. 3 ist der Unterwagen in einer Fahrstellung gezeigt, während in Fig. 4 der Unterwagen in der Arbeitsstellung dargestellt ist, in der die starren Träger 12 und 14 gegeneinander und in einer Abstützstellung verschwenkt sind. Dabei sind die starren Träger 12 und 14 soweit verschwenkt, dass sie einen nahezu rechten Winkel zueinander einnehmen.By means of another rotary connection, not shown here, in a Axis is arranged with the aforementioned rotary joint is a single-wheel drive arranged with individual wheels 18. In this case, there are only two single wheels available. The driving stability results from four support rollers 30, which are each arranged on the arms of the rigid support 12 and 14 respectively. In Fig. 3 the undercarriage is shown in a driving position, while in Fig. 4, the undercarriage is shown in the working position, in which the rigid support 12 and 14 against each other and are pivoted in a support position. Here are the rigid carrier 12 and 14 pivoted so far that they are almost at right angles to each other taking.

Wie in der Fig. 1 dargestellt, ist der erste durchgehende starre Träger 12 nicht in der gedachten Längsachse des Unterwagens ausgerichtet, sondern schräg zu dieser, so dass sich hier eine asymmetrische Anordnung bezogen auf eine mögliche Achsensymmetrie gedachten Längsachse des Unterwagens ergibt. Bezüglich des real vorhandenen Drehpunkts in Fig. 1 ist der zweite durchgehende Träger 14 punktsymmetrisch zu dem ersten Trägerarm 12 angeordnet.As shown in Fig. 1, the first continuous rigid support 12 is not in aligned with the imaginary longitudinal axis of the undercarriage, but obliquely to this, so that here is an asymmetrical arrangement relative to a possible Axisymmetry imaginary longitudinal axis of the undercarriage results. Regarding the Real existing pivot point in Fig. 1 is the second continuous carrier fourteenth arranged point-symmetrically to the first support arm 12.

Eine ähnliche Symmetrie ergibt sich aus der Konstruktion des Unterwagens entsprechend der Fig. 3. Diese weist einen ebenfalls asymmetrischen durchgehenden starren Träger 12 auf, an welchem geteilte Trägerarme 34 und 36 jeweils schwenkbar angelenkt sind. Diese sind punktsymmetrisch um einen gedachten Schwenkpunkt angelenkt. Ein Verschwenken der Trägerarme erfolgt in hier nicht näher dargestellter Art und Weise über Verstelleinrichtungen, wobei diese Antriebsmittel wie Kolben-Zylinderanordnungen, Gewindespindeln oder Getriebe beinhalten können. Die hier dargestellten geteilten Trägerarme können über Feststellmittel, wie Lamellenbremsen oder aber im einfachsten Fall Bolzen (hier im einzelnen auch nicht dargestellt) in ihrer jeweiligen Position festlegbar sein.A similar symmetry results from the design of the undercarriage accordingly of Fig. 3. This has a likewise asymmetric continuous rigid support 12, on which split support arms 34 and 36 each pivot are articulated. These are point symmetrical about an imaginary pivot point hinged. A pivoting of the support arms takes place here not shown Way over adjusting devices, these drive means such Piston cylinder arrangements, threaded spindles or gear can include. The split support arms shown here can be detected via locking means, such as multi-disc brakes or in the simplest case bolts (not shown here in detail) be fixable in their respective position.

Im hier dargestellten Ausführungsbeispiel sind an den jeweiligen Trägerarmen aktive gelenkte Radsätze 32 angeordnet.In the embodiment shown here are active on the respective support arms steered wheelsets 32 arranged.

Claims (8)

Unterwagen für mobile Arbeitsmaschinen mit ausfahrbaren Abstützeinrichtungen mit einem ersten durchgehenden starren Träger, an dem Fahreinrichtungen und ein Teil der Abstützvorrichtungen angeordnet ist und an dem ein weiterer durchgehender Träger oder geteilte Trägerarme ausschwenkbar angelenkt sind, die die restlichen Abstützeinrichtungen tragen,
dadurch gekennzeichnet, dass der erste durchgehende starre Träger schräg zur gedachten Längsachse des Unterwagens ausgerichtet ist und dass der weitere durchgehende Träger oder die geteilten Trägerarme punktsymmetrisch zu einem realen oder gedachten Schwenkpunkt auf dem durchgehenden starren Träger ausgerichtet sind, wobei sie ebenfalls Fahreinrichtungen tragen. Undercarriage for mobile machines with extendable support means with a first continuous rigid support, on which driving means and a part of the support devices is arranged and on which a further continuous carrier or divided support arms are articulated pivotally carrying the remaining support means,
characterized in that the first continuous rigid support is oriented obliquely to the imaginary longitudinal axis of the undercarriage and that the further continuous support or the divided support arms are point symmetrical aligned to a real or imaginary pivot point on the continuous rigid support, which also carry driving devices. Unterwagen für mobile Arbeitsmaschinen nach Anspruch 1, dadurch gekennzeichnet, dass der durchgehende starre Träger über eine Drehverbindung im realen Schwenkpunkt mit dem zweiten durchgehenden starren Träger verbunden ist.Undercarriage for mobile machines according to claim 1, characterized in that the continuous rigid support is connected via a rotary joint in the real pivot point with the second continuous rigid support. Unterwagen für mobile Arbeitsmaschinen nach Anspruch 2, dadurch gekennzeichnet, dass die Hauptfahreinrichtung im Bereich der Verbindungsachse zwischen beiden Trägern angeordnet ist.Undercarriage for mobile machines according to claim 2, characterized in that the main drive means is arranged in the region of the connecting axis between the two carriers. Unterwagen für mobile Arbeitsmaschinen nach Anspruch 3, dadurch gekennzeichnet, dass an den jeweiligen Trägern als Fahreinrichtungen Stützrollen angeordnet sind.Undercarriage for mobile machines according to claim 3, characterized in that support rollers are arranged on the respective carriers as driving devices. Unterwagen für mobile Arbeitsmaschinen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der durchgehende starre Träger zwei seitlich ausschwenkbare Träger aufweist.Undercarriage for mobile machines according to one of claims 1 to 4, characterized in that the continuous rigid support has two laterally swingable carrier. Unterwagen für mobile Arbeitsmaschinen nach einem der Ansprüche 1 - 5, dadurch gekennzeichnet, dass die Träger als Fahreinrichtungen aktiv gelenkte Radsätze aufweisen.Undercarriage for mobile machines according to one of claims 1 - 5, characterized in that the carriers have as driving devices actively steered wheel sets. Unterwagen für mobile Arbeitsmaschinen nach einem der Ansprüche 1 - 6, dadurch gekennzeichnet, dass der weitere durchgehende Träger oder die geteilten Trägerarme über Antriebsmittel, wie Kolben-Zylinderanordnungen, Gewindespindeln oder Getriebe, ausschwenkbar ist.Undercarriage for mobile machines according to one of claims 1-6, characterized in that the further continuous carrier or the divided support arms via drive means, such as piston-cylinder assemblies, threaded spindles or gearbox, can be swung out. Unterwagen für mobile Arbeitsmaschinen nach einem der Ansprüche 1 - 7, dadurch gekennzeichnet, dass der weitere durchgehende Träger oder die geteilten Trägerarme über Feststellmittel, wie Lamellenbremsen oder Bolzen, in ihrer jeweiligen Position festlegbar sind.Undercarriage for mobile machines according to one of claims 1-7, characterized in that the further continuous carrier or the divided support arms via locking means, such as multi-disc brakes or bolts are fixed in their respective position.
EP20050006586 2004-03-25 2005-03-24 Undercarriage for mobile working machines Expired - Lifetime EP1580331B1 (en)

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Application Number Priority Date Filing Date Title
DE202004004714U DE202004004714U1 (en) 2004-03-25 2004-03-25 Undercarriage for mobile machines
DE202004004714U 2004-03-25

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EP1580331A2 true EP1580331A2 (en) 2005-09-28
EP1580331A3 EP1580331A3 (en) 2006-09-27
EP1580331B1 EP1580331B1 (en) 2015-05-20

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EP (1) EP1580331B1 (en)
DE (1) DE202004004714U1 (en)

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EP2466016A1 (en) * 2010-12-14 2012-06-20 Caterpillar, Inc. Frame assembly and a method of manufacturing thereof
EP2864177A4 (en) * 2012-06-26 2017-07-19 Buttazzoni, Luca A modular dolly assembly&castor assembly

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US8684372B2 (en) * 2012-06-26 2014-04-01 Luca Buttazzoni Modular dolly kit
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US9409585B2 (en) 2013-07-15 2016-08-09 Luca Buttazzoni Castor supported dolly assembly capable of being made from lightweight materials and of being used as a pallet assembly
US8876145B1 (en) 2013-07-15 2014-11-04 Luca Buttazzoni Castor supported dolly assembly capable of being made from lightweight materials and so as to be disposable or severable
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Also Published As

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US7478835B2 (en) 2009-01-20
EP1580331A3 (en) 2006-09-27
US20090167008A1 (en) 2009-07-02
US20050211862A1 (en) 2005-09-29
EP1580331B1 (en) 2015-05-20
DE202004004714U1 (en) 2005-09-08

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