EP1245740A1 - Working vehicle with a work implement - Google Patents

Working vehicle with a work implement Download PDF

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Publication number
EP1245740A1
EP1245740A1 EP02003871A EP02003871A EP1245740A1 EP 1245740 A1 EP1245740 A1 EP 1245740A1 EP 02003871 A EP02003871 A EP 02003871A EP 02003871 A EP02003871 A EP 02003871A EP 1245740 A1 EP1245740 A1 EP 1245740A1
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EP
European Patent Office
Prior art keywords
vehicle
carrier
axis
implement
vehicle according
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
EP02003871A
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German (de)
French (fr)
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EP1245740B1 (en
Inventor
Alois Haringer
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Macmoter SpA
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Macmoter SpA
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Publication of EP1245740A1 publication Critical patent/EP1245740A1/en
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Publication of EP1245740B1 publication Critical patent/EP1245740B1/en
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    • 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
    • E02F3/7622—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers
    • E02F3/7627—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers with the scraper blade adjustable relative to the frame about a vertical axis

Definitions

  • the invention relates to a construction vehicle with an implement, in particular a sign that can be swiveled around a vertical axis
  • Carrier is mounted around a horizontal axis in the vertical direction is pivotally mounted on the vehicle frame, the pivoting movements are executable by means of hydraulic devices.
  • the construction vehicle can have a chassis with caterpillars or with tires exhibit. If it is a vehicle with caterpillars, it is in usually necessary, this on a flatbed truck to the respective construction site to transport. Wheeled construction vehicles can also do it themselves be driven to the construction sites, although this is usually inappropriate. So construction vehicles with wheels are dependent on those to be mastered Distances also transported on flatbed trucks. With such a Transport the width of the implement plays an important role. So it happens again and again that the implement, for example a Sign of length exceeding vehicle width, width too large has so that it is removed before transport and reattached afterwards must become. This involves a lot of effort.
  • From US 5 634 523 is not only the construction vehicle described above known with a sign but also already provided the vehicle width overhanging sign off-center with lateral distance to Articulate the longitudinal median plane of the vehicle with the vertical axis on the carrier, so that the shield is in a transport position about this vertical axis can be pivoted in the sign within the vehicle width without being excessively far forward Carrier or one arranged at a greater distance in front of the vehicle vertical axis for the shield must be provided.
  • the vertical axis to the median longitudinal plane of the vehicle is not variable. That means that unbalanced during work Force distributions occur and are to be absorbed, which promotes wear acts.
  • the object of the invention is the construction vehicle to be trained in such a way that the width is adjusted for transport can be purchased without disadvantages in the work operation must be taken.
  • a construction vehicle 1 has an implement 2 in which it is in particular a dozer blade or blade 3, with the help of a carrying and adjusting device 4 on the vehicle frame 5 arranged and movable, dad means swiveling and lifting and can be lowered.
  • the construction vehicle 1 further comprises a chassis 6 with, for example two caterpillars 7 and an upper vehicle 8 with a driver's cab 9 and an engine 10.
  • the carrying and adjusting device 4 has as load-bearing components for the shield a carrier 11 and a support piece 12.
  • the shield 3 is articulated on the carrier 11 and the support piece 12 is on the Vehicle frame 5 articulated. Furthermore, the carrier 11 and the support piece 12 pivotally connected to each other.
  • the linkage of the Shield 3 on the carrier 11 is along a perpendicular to the longitudinal axis of the vehicle 13 standing axis 14 (Fig. 1).
  • the carrier 11 and that The support piece 12 is about an axis 15 which is parallel to the axis 14 pivotally connected to each other and the support piece 12 is on Vehicle frame 5 in the area of lateral cheeks 16 around a horizontal lying axis 17 movably mounted.
  • One cheek 16 each is arranged laterally on the outside of the support piece 12 and lies in each case inside next to the caterpillars 7.
  • the support piece 12 and with it the support 11 are about the axis 17 and the shield 3 can be raised and lowered.
  • the hydraulic devices 20 attack each cheek 16.
  • Hydraulic devices 23 are on both sides of the cheeks 16 hinged and serve to pivot the shield 3 around the Axis 14. This situation is shown in Fig. 2 and shows that the Shield 3 around the axis 14 from a middle position to the right and is pivotable to the left.
  • the carrier 11 is in a central position to the construction vehicle 1 or relative to its vehicle longitudinal axis 13.
  • the axis 15 about which the carrier 11 is pivotable on the support piece 12 is stored, does not intersect the vehicle longitudinal axis 13 (Fig. 2). she is off-center.
  • a safety or blocking device 24 (Fig. 3) is provided.
  • This securing and blocking device 24 either fixes the carrier 11 in the working position on the support piece 12 or releases the support 11 for pivoting about the axis 15. This case is shown in Fig. 5.
  • the securing and blocking device 24 supports 11 releases, it is about the axis 15 from the position shown in FIG. 4 in the 5 pivotable position.
  • the axis 14 moves in the process from their central position from the vehicle longitudinal axis 13 or from the vertical vehicle center plane to one side of the construction vehicle 1 out.
  • the piston rod 21 can be hydraulic Device 23 '(Fig. 4) retracted and the other piston 21 of the other piston-cylinder device 23 ′′ as far as possible be extended (Fig. 5), so that the shield 3 in a to the left directed extreme position. He's only taking a small one now Width relative to the width of the construction vehicle 1.
  • the securing and blocking device 24 is more expedient Way of at least one bolt 25 used for blocking or, according to the exemplary embodiment, of two for blocking Bolt 25 (Fig. 3) and a hydraulic device 26 which the Bolt 25 either pushes into carrier-side holding openings 27 or pulls out of these.
  • the carrier 11 encompasses in the area of the securing and blocking device 24, the support piece 12 U-shaped, as shown in Fig. 3 is.
  • the axis 14 also includes two spaced apart arranged bearing bolts 28 and 29. Your attachment to the carrier 11 and their shield-side connection is known to the person skilled in the art and shown specifically in Fig. 3.
  • Carrier tabs 31 arranged on the shield side are in accordance with Embodiment also provided to both storage the bearing bolts 28 and 29 as well as in the region of the articulation points 30 to manufacture with the hydraulic devices 23.
  • the Carrier 11 also encompass two shield-side support tabs 31 in a U-shape or it lies with a projection 32 between two shield-side Carrying tabs 31.
  • the shield-side articulation point 33 for the Sloping maximum extendable piston rod 21 of the hydraulic Device 23 (Fig. 5) movable or at least partially detachable.
  • the articulation point 33 is for the free end of the a piston rod 21 on a pivotable link 34, which in its Working position on the tab 31, for example with a bolt 35 can be blocked.
  • the handlebar is used to tilt the plate 3 34 unlocked so that the freedom of movement of the shield 3 a little becomes larger than when the handlebar 34 is locked.
  • the hydraulic devices used to adjust the shield 3 23 also change their position when the shield 3 is inclined relative to construction vehicle 1. You also take an inclined position a, as shown in Fig. 5.
  • the support piece 12 is a projecting component on the vehicle frame 5. It can be arched (Fig. 5) and together with the cheeks 16 have an approximately U-shaped basic shape.
  • a conventional sign 3 has a size corresponding to the representations 2, 4 and 5. Basically, a sign 3 'but also be a little bit larger and can be flanged on to the side Extension parts 40 and 41 are provided. Both that Center piece 42 of the shield 3 'and the two extension parts 40 and 41 each have ends facing one another Flange pieces 43, by means of which they can be connected to one another. This can be done with screws, not shown, and in the flange pieces 43 intended mounting openings 44 are used. Due to the Possibility of the plate 3 or 3 'extremely sloping for transport purposes to arrange to the construction vehicle can therefore also with regard to its Width 3 'changeable as required.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Shovels (AREA)
  • Road Paving Machines (AREA)
  • Road Repair (AREA)

Abstract

The self-propelled construction machine, especially with a fitted bulldozer blade (3), has a swing mounting for the blade at the vehicle chassis to pivot vertically around an axis and also swing around a second axis (14) at right angles to it. The blade movements are powered by a hydraulic drive (23). The position of the second vertical axis can be varied in relation to the vehicle chassis for the swing movement of the blade assembly, using a further axis (15) for the carrier (11) which blocks or releases its swing movement through a hydraulic unit.

Description

Die Erfindung bezieht sich auf ein Baufahrzeug mit einem Arbeitsgerät, insbesondere einem Schild, das um eine vertikale Achse schwenkbar an einem Träger gelagert ist, der um eine horizontale Achse in vertikaler Richtung verschwenkbar am Fahrzeugrahmen gelagert ist, wobei die Schwenkbewegungen mittels hydraulischer Einrichtungen ausführbar sind.The invention relates to a construction vehicle with an implement, in particular a sign that can be swiveled around a vertical axis Carrier is mounted around a horizontal axis in the vertical direction is pivotally mounted on the vehicle frame, the pivoting movements are executable by means of hydraulic devices.

Das Baufahrzeug kann ein Fahrwerk mit Raupen oder mit bereiften Rädern aufweisen. Falls es sich um ein Fahrzeug mit Raupen handelt, so ist es in der Regel notwendig, dieses auf einem Tieflader zu der jeweiligen Baustelle zu transportieren. Mit Rädern versehene Baufahrzeuge können auch selbst zu den Baustellen gefahren werden, obwohl das meist unzweckmäßig ist. So werden Baufahrzeuge mit Rädern in Abhängigkeit von den zu bewältigenden Entfernungen ebenfalls auf Tiefladern transportiert. Bei einem derartigen Transport spielt die Breite des Arbeitsgerätes eine große Rolle. So kommt es immer wieder vor, dass das Arbeitsgerät, beispielsweise ein Schild von die Fahrzeugbreite übersteigender Länge, eine zu große Breite besitzt, so dass es vor dem Transport abmontiert und nachher wieder angebracht werden muß. Das ist mit einem hohen Aufwand verbunden.The construction vehicle can have a chassis with caterpillars or with tires exhibit. If it is a vehicle with caterpillars, it is in usually necessary, this on a flatbed truck to the respective construction site to transport. Wheeled construction vehicles can also do it themselves be driven to the construction sites, although this is usually inappropriate. So construction vehicles with wheels are dependent on those to be mastered Distances also transported on flatbed trucks. With such a Transport the width of the implement plays an important role. So it happens again and again that the implement, for example a Sign of length exceeding vehicle width, width too large has so that it is removed before transport and reattached afterwards must become. This involves a lot of effort.

Aus US 5 634 523 ist nicht nur das eingangs beschriebene Baufahrzeug mit einem Schild bekannt sondern auch bereits vorgesehen, den die Fahrzeugbreite übersteigenden Schild außermittig mit seitlichem Abstand zur Längsmittelebene des Fahrzeugs mit vertikaler Achse am Träger anzulenken, so dass der Schild um diese vertikale Achse in eine Transportstellung verschwenkt werden kann, in der sich der Schild innerhalb der Fahrzeugbreite befindet, ohne dass dazu ein sich übermäßig weit nach vorne erstreckender Träger bzw. eine in größerem Abstand vor dem Fahrzeug angeordnete vertikale Achse für den Schild vorgesehen sein muß. Der Abstand der vertikalen Achse zur Längsmittelebene des Fahrzeugs ist jedoch nicht veränderbar. Das bedeutet, dass während des Arbeitsbetriebs unsymmetrische Kraftverteilungen auftreten und aufzufangen sind, was verschleißfördernd wirkt.From US 5 634 523 is not only the construction vehicle described above known with a sign but also already provided the vehicle width overhanging sign off-center with lateral distance to Articulate the longitudinal median plane of the vehicle with the vertical axis on the carrier, so that the shield is in a transport position about this vertical axis can be pivoted in the sign within the vehicle width without being excessively far forward Carrier or one arranged at a greater distance in front of the vehicle vertical axis for the shield must be provided. The distance However, the vertical axis to the median longitudinal plane of the vehicle is not variable. That means that unbalanced during work Force distributions occur and are to be absorbed, which promotes wear acts.

Dementsprechend liegt der Erfindung die Aufgabe zugrunde, das Baufahrzeug so auszubilden, dass eine Breitenanpassung für den Transport vorgenommen werden kann, ohne dass dafür Nachteile im Arbeitsbetrieb in Kauf genommen werden müssen.Accordingly, the object of the invention is the construction vehicle to be trained in such a way that the width is adjusted for transport can be purchased without disadvantages in the work operation must be taken.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die vertikale Achse, um die das Arbeitsgerät schwenkbar ist, in seitlicher Richtung zwischen einer durch die Fahrzeuglängsachse 13 verlaufenden vertikalen Längsmittelebene und einer im Abstand parallel zur Längsmittelebene verlaufenden Längsebene verstellbar ist.This object is achieved in that the vertical Axis, about which the implement can be pivoted, in the lateral direction between a vertical through the vehicle longitudinal axis 13 Longitudinal central plane and a parallel to the longitudinal central plane at a distance Longitudinal plane is adjustable.

Aus US 4 828 044 ist zwar ein Baufahrzeug bekannt, bei dem der Schild mittig am Träger mit einer in der Längsmittelebene des Fahrzeugs angeordneten vertikalen Achse angelenkt und diese in Querrichtung auslenkbar ist. Hierbei wird die vertikale Achse aber nicht parallel verlagert, sondern nur zur Seite hin gekippt, wobei die Achse in einem unteren Punkt mittels eines Kugelgelenks in der Längsmittelebene gehalten wird und mit einem oberen Bereich seitlich ausgeschwenkt wird. Diese Maßnahme dient dazu, den normalerweise waagerecht ausgerichteten Schild in einer Querebene in eine Schräglage zu verstellen. Mit einer Breitenanpassung zu Transportzwecken hat das nichts zu tun.From US 4,828,044 a construction vehicle is known in which the shield arranged centrally on the carrier with one in the longitudinal center plane of the vehicle vertical axis articulated and this can be deflected in the transverse direction. Here, the vertical axis is not shifted in parallel, but only tilted to the side, the axis at a lower point using a Ball joint is held in the longitudinal median plane and with an upper one Area is swung out sideways. This measure serves the usually level sign in a transverse plane into one To adjust the inclination. With a width adjustment for transport purposes it has nothing to do

Auf Grund der erfindungsgemäßen Ausbildung ist es möglich, für Transportzwecke die Anlenkstelle des Arbeitsgeräts zu verändern. Sie läßt sich z.B. derart zur Seite verlagern, dass das Arbeitsgerät in höherem Maße als bisher am Baufahrzeug verschwenkbar ist. Damit die Lage der Schwenkachse für das Arbeitsgerät aus ihrer mittigen Arbeitsposition in die seitliche Transportposition bewegbar ist, ist ferner vorgesehen, dass das als Träger für das Arbeitsgerät dienende Bauteil fahrzeugseitig verschwenkbar gelagert ist. Hierdurch läßt sich ein Schwenkradium erzielen, der nahezu der Länge des Trägers selbst entspricht. Die Folge hiervon ist, dass sich z.B. ein Schild trotz unmittelbarer Befestigung am Baufahrzeug extrem schräg zur Fahrzeuglängsrichtung einstellen läßt und dadurch weniger Platz in Breitenrichtung benötigt. Due to the training according to the invention, it is possible for transport purposes to change the articulation point of the implement. You can e.g. move to the side in such a way that the implement to a greater extent than is previously pivotable on the construction vehicle. So the location of the Swivel axis for the implement from its central working position in the lateral transport position is movable, it is further provided that the Carrier for the component serving the implement can be pivoted on the vehicle side is stored. This enables a swivel radius to be achieved which is almost the same Length of the carrier itself corresponds. The consequence of this is that e.g. a sign extremely oblique despite being directly attached to the construction vehicle to the vehicle's longitudinal direction and thus less space in the width direction needed.

Weitere Merkmale der Erfindung gehen aus Unteransprüchen und der Beschreibung in Verbindung mit der Zeichnung hervor.Further features of the invention are set out in the dependent claims and Description in connection with the drawing.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles, das in der Zeichnung dargestellt ist, näher beschrieben. Dabei zeigen:

Fig. 1
eine Seitenansicht eines Raupen aufweisenden Baufahrzeuges mit einem Schild;
Fig. 2:
eine Draufsicht auf das Baufahrzeug gemäß Fig. 1
Fig. 3:
eine Seitenansicht des Schildes und der ihn tragenden Bauteile in größerem Maßstab;
Fig. 4:
eine Draufsicht auf den Schild und der ihn tragenden Bauteile in nochmals anderem Maßstab;
Fig. 5:
eine Draufsicht auf den Schild gemäß Fig. 4 in Schrägstellung;
Fig. 6:
eine Ansicht eines verlängerbaren Schildes vor dem Zusammenbau;
Fig. 7:
eine Draufsicht auf den Schild gemäß Fig. 6 vor dem Zusammenbau und
Fig. 8:
eine Seitenansicht des Schildes gemäß den Fig. 6 und 7.
The invention is described below with reference to an embodiment shown in the drawing. Show:
Fig. 1
a side view of a crawler construction vehicle with a shield;
Fig. 2:
2 shows a plan view of the construction vehicle according to FIG. 1
Fig. 3:
a side view of the shield and the components supporting it on a larger scale;
Fig. 4:
a plan view of the shield and the components supporting it in yet another scale;
Fig. 5:
a plan view of the shield of Figure 4 in an inclined position.
Fig. 6:
a view of an extendable shield before assembly;
Fig. 7:
a plan view of the shield of FIG. 6 before assembly and
Fig. 8:
a side view of the shield according to FIGS. 6 and 7.

Ein Baufahrzeug 1 weist gemäß Fig. 1 ein Arbeitsgerät 2 auf, bei dem es sich insbesondere um einen Planierschild bzw. Schild 3 handelt, der mit Hilfe einer Trage- und Verstelleinrichtung 4 am Fahrzeugrahmen 5 angeordnet und bewegbar, dad heißt schwenkbar sowie anhebbar und absenkbar ist. According to FIG. 1, a construction vehicle 1 has an implement 2 in which it is in particular a dozer blade or blade 3, with the help of a carrying and adjusting device 4 on the vehicle frame 5 arranged and movable, dad means swiveling and lifting and can be lowered.

Das Baufahrzeug 1 umfaßt ferner ein Fahrwerk 6 mit zum Beispiel zwei Raupen 7 und ein Oberfahrzeug 8 mit einer Fahrerkabine 9 und einem Motor 10.The construction vehicle 1 further comprises a chassis 6 with, for example two caterpillars 7 and an upper vehicle 8 with a driver's cab 9 and an engine 10.

Die Trage- und Verstelleinrichtung 4 weist als tragende Bauteile für den Schild einen Träger 11 und ein Tragestück 12 auf. Der Schild 3 ist an dem Träger 11 angelenkt und das Tragestück 12 ist an dem Fahrzeugrahmen 5 angelenkt. Ferner sind der Träger 11 und das Tragestück 12 schwenkbar miteinander verbunden. Die Anlenkung des Schildes 3 am Träger 11 erfolgt längs einer senkrecht zur Fahrzeuglängsachse 13 stehenden Achse 14 (Fig. 1). Der Träger 11 und das Tragestück 12 sind um eine parallel zur Achse 14 stehende Achse 15 schwenkbar miteinander verbunden und das Tragestück 12 ist am Fahrzeugrahmen 5 im Bereich von seitlichen Wangen 16 um eine horizontal liegende Achse 17 bewegbar gelagert. Jeweils eine Wange 16 ist seitlich außen an dem Tragestück 12 angeordnet und liegt jeweils innen neben den Raupen 7.The carrying and adjusting device 4 has as load-bearing components for the shield a carrier 11 and a support piece 12. The shield 3 is articulated on the carrier 11 and the support piece 12 is on the Vehicle frame 5 articulated. Furthermore, the carrier 11 and the support piece 12 pivotally connected to each other. The linkage of the Shield 3 on the carrier 11 is along a perpendicular to the longitudinal axis of the vehicle 13 standing axis 14 (Fig. 1). The carrier 11 and that The support piece 12 is about an axis 15 which is parallel to the axis 14 pivotally connected to each other and the support piece 12 is on Vehicle frame 5 in the area of lateral cheeks 16 around a horizontal lying axis 17 movably mounted. One cheek 16 each is arranged laterally on the outside of the support piece 12 and lies in each case inside next to the caterpillars 7.

Um die Achse 17 sind das Tragestück 12 und mit ihm der Träger 11 sowie der Schild 3 anhebbar und absenkbar. Dazu dienen aus Kolbenstange 18 und Zylinder 19 bestehende hydraulische Einrichtungen 20 auf beiden Seiten des Baufahrzeuges 1. Die hydraulischen Einrichtungen 20 greifen jeweils an den Wangen 16 an.The support piece 12 and with it the support 11 are about the axis 17 and the shield 3 can be raised and lowered. Serve from piston rod 18 and cylinder 19 existing hydraulic devices 20th on both sides of the construction vehicle 1. The hydraulic devices 20 attack each cheek 16.

Zwei weitere, ebenfalls aus Kolbenstange 21 und Zylinder 22 bestehende hydraulische Einrichtungen 23 sind beidseitig an den Wangen 16 angelenkt und dienen zum Verschwenken des Schildes 3 um die Achse 14. Diese Situation ist in Fig. 2 dargestellt und zeigt, daß der Schild 3 um die Achse 14 aus einer mittleren Position nach rechts und nach links verschwenkbar ist. Two more, also consisting of piston rod 21 and cylinder 22 Hydraulic devices 23 are on both sides of the cheeks 16 hinged and serve to pivot the shield 3 around the Axis 14. This situation is shown in Fig. 2 and shows that the Shield 3 around the axis 14 from a middle position to the right and is pivotable to the left.

Der Träger 11 befindet sich hierbei in einer mittigen Lage zum Baufahrzeug 1 bzw. relativ zu dessen Fahrzeuglängsachse 13.The carrier 11 is in a central position to the construction vehicle 1 or relative to its vehicle longitudinal axis 13.

Die Achse 15, um die der Träger 11 schwenkbar am Tragestück 12 gelagert ist, schneidet nicht die Fahrzeuglängsachse 13 (Fig. 2). Sie liegt außermittig.The axis 15 about which the carrier 11 is pivotable on the support piece 12 is stored, does not intersect the vehicle longitudinal axis 13 (Fig. 2). she is off-center.

Damit der Träger 11 im normalen Betrieb nicht um die Achse 15 verschwenkbar ist, ist ferner eine Sicherungs- bzw. Blockiereinrichtung 24 (Fig. 3) vorgesehen. Diese Sicherung- und Blockiereinrichtung 24 fixiert entweder den Träger 11 in der Arbeitsposition am Tragestück 12 oder gibt den Träger 11 zum Verschwenken um die Achse 15 frei. Dieser Fall ist in Fig. 5 dargestellt.So that the carrier 11 cannot pivot about the axis 15 in normal operation is also a safety or blocking device 24 (Fig. 3) is provided. This securing and blocking device 24 either fixes the carrier 11 in the working position on the support piece 12 or releases the support 11 for pivoting about the axis 15. This case is shown in Fig. 5.

Sobald die Sicherungs- und Blockiereinrichtung 24 den Träger 11 freigibt, ist er um die Achse 15 aus der Position gemäß Fig. 4 in die Position gemäß Fig. 5 verschwenkbar. Die Achse 14 bewegt sich dabei aus ihrer mittigen Lage von der Fahrzeuglängsachse 13 bzw. aus der senkrecht stehenden Fahrzeugmitteebene zu einer Seite des Baufahrzeuges 1 hin. Gleichzeitig kann die Kolbenstange 21 der einen hydraulischen Einrichtung 23' (Fig. 4) eingezogen und die andere Kolben 21 der anderen Kolben-Zylindereinrichtung 23'' maximal weit ausgefahren werden (Fig. 5), so daß der Schild 3 in eine nach links gerichtete Extremposition gelangt. Er nimmt jetzt nur noch eine geringe Breite relativ zur Breite des Baufahrzeuges 1 ein.As soon as the securing and blocking device 24 supports 11 releases, it is about the axis 15 from the position shown in FIG. 4 in the 5 pivotable position. The axis 14 moves in the process from their central position from the vehicle longitudinal axis 13 or from the vertical vehicle center plane to one side of the construction vehicle 1 out. At the same time, the piston rod 21 can be hydraulic Device 23 '(Fig. 4) retracted and the other piston 21 of the other piston-cylinder device 23 ″ as far as possible be extended (Fig. 5), so that the shield 3 in a to the left directed extreme position. He's only taking a small one now Width relative to the width of the construction vehicle 1.

Die Sicherungs- und Blockiereinrichtung 24 besteht zweckmäßiger Weise aus mindestens einem zum Blockieren dienenden Bolzen 25 bzw. gemäß Ausführungsbeispiel aus zwei zum Blockieren dienenden Bolzen 25 (Fig. 3) und einer hydraulischen Einrichtung 26, die die Bolzen 25 entweder in trägerseitige Halteöffnungen 27 schiebt oder aus diesen herauszieht. The securing and blocking device 24 is more expedient Way of at least one bolt 25 used for blocking or, according to the exemplary embodiment, of two for blocking Bolt 25 (Fig. 3) and a hydraulic device 26 which the Bolt 25 either pushes into carrier-side holding openings 27 or pulls out of these.

Der Träger 11 umgreift im Bereich der Sicherungs- und Blockiereinrichtung 24 das Tragestück 12 U-förmig, wie dies in Fig. 3 dargestellt ist.The carrier 11 encompasses in the area of the securing and blocking device 24, the support piece 12 U-shaped, as shown in Fig. 3 is.

Die Achse 14 umfaßt ferner gemäß Fig. 3 zwei im Abstand voneinander angeordnete Lagerbolzen 28 und 29. Ihre Befestigung am Träger 11 und ihre schildseitige Verbindung ist dem Fachmann bekannt und in Fig. 3 konkret dargestellt.3, the axis 14 also includes two spaced apart arranged bearing bolts 28 and 29. Your attachment to the carrier 11 and their shield-side connection is known to the person skilled in the art and shown specifically in Fig. 3.

Seitlich außen sowie bezüglich der Höhe zwischen den beiden Lagerbolzen 28 und 29 befinden sich Anlenkstellen 30 für die freien Enden der Kolbenstangen 21 der beiden hydraulischen Einrichtungen 23 (Fig. 3 und 4). Schildseitig angeordnete Tragelaschen 31 sind gemäß Ausführungsbeispiel ferner vorgesehen, um sowohl die Lagerung an den Lagerbolzen 28 und 29 als auch im Bereich der Anlenkstellen 30 mit den hydraulischen Einrichtungen 23 herzustellen. Dabei kann der Träger 11 zwei schildseitige Tragelaschen 31 auch U-förmig umgreifen oder er liegt mit einem Vorsprung 32 zwischen zwei schildseitigen Tragelaschen 31.Laterally outside and in terms of the height between the two bearing bolts 28 and 29 are articulation points 30 for the free ends the piston rods 21 of the two hydraulic devices 23 (Figs. 3 and 4). Carrier tabs 31 arranged on the shield side are in accordance with Embodiment also provided to both storage the bearing bolts 28 and 29 as well as in the region of the articulation points 30 to manufacture with the hydraulic devices 23. The Carrier 11 also encompass two shield-side support tabs 31 in a U-shape or it lies with a projection 32 between two shield-side Carrying tabs 31.

Um eine optimale Schrägstellung des Schildes 3 zur Fahrzeuglängsachse 13 zu erzielen, ist die schildseitige Anlenkstelle 33 für die beim Schrägstellen maximal ausfahrbare Kolbenstange 21 der hydraulischen Einrichtung 23 (Fig. 5) bewegbar oder zumindest teilweise lösbar. Konkret befindet sich die Anlenkstelle 33 für das freie Ende der einen Kolbenstange 21 an einem schwenkbaren Lenker 34, der in seiner Arbeitsposition an der Lasche 31 zum Beispiel mit einem Bolzen 35 blockierbar ist. Zum Schrägstellen des Schildes 3 wird der Lenker 34 entriegelt, so daß die Bewegungsfreiheit des Schildes 3 noch etwas größer wird als bei verriegeltem Lenker 34.For an optimal inclination of the shield 3 to the vehicle's longitudinal axis To achieve 13, the shield-side articulation point 33 for the Sloping maximum extendable piston rod 21 of the hydraulic Device 23 (Fig. 5) movable or at least partially detachable. Specifically, the articulation point 33 is for the free end of the a piston rod 21 on a pivotable link 34, which in its Working position on the tab 31, for example with a bolt 35 can be blocked. The handlebar is used to tilt the plate 3 34 unlocked so that the freedom of movement of the shield 3 a little becomes larger than when the handlebar 34 is locked.

Die zum Verstellen des Schildes 3 dienenden hydraulischen Einrichtungen 23 verändern beim Schrägstellen des Schildes 3 auch ihre Lage relativ zum Baufahrzeug 1. Sie nehmen ebenfalls eine Schrägstellung ein, wie dies in Fig. 5 dargestellt ist.The hydraulic devices used to adjust the shield 3 23 also change their position when the shield 3 is inclined relative to construction vehicle 1. You also take an inclined position a, as shown in Fig. 5.

Das Tragestück 12 ist ein am Fahrzeugrahmen 5 vorstehendes Bauteil. Es kann bogenförmig sein (Fig. 5) und zusammen mit den Wangen 16 eine etwa U-förmige Grundform besitzen.The support piece 12 is a projecting component on the vehicle frame 5. It can be arched (Fig. 5) and together with the cheeks 16 have an approximately U-shaped basic shape.

Ein üblicher Schild 3 weist etwa eine Größe entsprechend den Darstellungen in den Fig. 2, 4 und 5 auf. Grundsätzlich kann ein Schild 3' aber auch noch etwas größer sein und dazu mit seitlich anflanschbaren Verlängerungsteilen 40 und 41 versehen werden. Sowohl das Mittelstück 42 des Schildes 3' als auch die beiden Verlängerungsteile 40 und 41 weisen an den einander zugewandten Enden jeweils Flanschstücke 43 auf, mit deren Hilfe sie miteinander verbindbar sind. Dazu können nicht dargestellte Schrauben und in den Flanschstücken 43 vorgesehene Befestigungsöffnungen 44 dienen. Aufgrund der Möglichkeit, den Schild 3 bzw. 3' für Transportzweck extrem schräg zum Baufahrzeug anzuordnen, kann daher auch ein bezüglich seiner Breite je nach Bedarf veränderbarer Schild 3' vorgesehen sein.A conventional sign 3 has a size corresponding to the representations 2, 4 and 5. Basically, a sign 3 'but also be a little bit larger and can be flanged on to the side Extension parts 40 and 41 are provided. Both that Center piece 42 of the shield 3 'and the two extension parts 40 and 41 each have ends facing one another Flange pieces 43, by means of which they can be connected to one another. This can be done with screws, not shown, and in the flange pieces 43 intended mounting openings 44 are used. Due to the Possibility of the plate 3 or 3 'extremely sloping for transport purposes to arrange to the construction vehicle can therefore also with regard to its Width 3 'changeable as required.

Claims (10)

Baufahrzeug mit einem Arbeitsgerät (2), insbesondere einem Schild (3), das um eine vertikale Achse (14) schwenkbar an einem Träger (11) gelagert ist, der um eine horizontale Achse (17) in vertikaler Richtung verschwenkbar am Fahrzeugrahmen (5) gelagert ist, wobei die Schwenkbewegungen mittels hydraulischer Einrichtungen (20, 23) ausführbar sind, dadurch gekennzeichnet, dass die vertikale Achse (14), um die das Arbeitsgerät (2) schwenkbar ist, in seitlicher Richtung zwischen einer durch die Fahrzeuglängsachse (13) verlaufenden vertikalen Längsmittelebene und einer im Abstand parallel zur Längsmittelebene verlaufenden Längsebene verstellbar ist.Construction vehicle with an implement (2), in particular a shield (3), which is mounted on a support (11) so as to be pivotable about a vertical axis (14) and which can be pivoted in the vertical direction about a horizontal axis (17) on the vehicle frame (5) The pivoting movements can be carried out by means of hydraulic devices (20, 23), characterized in that the vertical axis (14), about which the implement (2) can be pivoted, moves in the lateral direction between one extending through the vehicle longitudinal axis (13) vertical longitudinal center plane and a longitudinal plane spaced parallel to the longitudinal center plane is adjustable. Baufahrzeug nach Anspruch 1, dadurch gekennzeichnet, dass der Träger (11) fahrzeugseitig um eine parallel zur vertikalen Achse (14) stehende Verstellachse (15) schwenkbar gelagert ist und dass die Schwenkbarkeit des Trägers (11) um die fahrzeugseitige Verstellachse (15) blockierbar und freigebbar ist.Construction vehicle according to claim 1, characterized in that the carrier (11) on the vehicle side is pivotally mounted about an adjustment axis (15) parallel to the vertical axis (14) and that the pivotability of the carrier (11) about the vehicle-side adjustment axis (15) can be blocked and can be released. Baufahrzeug nach Anspruch 2, dadurch gekennzeichnet, dass die Verstellachse (15), um die der Träger (11) fahrzeugseitig schwenkbar gelagert ist, außerhalb der Fahrzeugmittelebene angeordnet ist.Construction vehicle according to claim 2, characterized in that the adjustment axis (15) about which the carrier (11) is pivotally mounted on the vehicle side is arranged outside the vehicle center plane. Baufahrzeug nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass eine hydraulische Einrichtung (26) zum Blockieren und zum Lösen der Blockierung der fahrzeugseitigen Verstellachse (15) vorgesehen ist.Construction vehicle according to claim 2 or 3, characterized in that a hydraulic device (26) for blocking and for releasing the blocking of the vehicle-side adjustment axis (15) is provided. Baufahrzeug nach Anspruch 4, dadurch gekennzeichnet, dass die zum Blockieren der Verschwenkbarkeit des Trägers (11) dienende Einrichtung (26) mindestens einen hydraulisch bewegbaren Bolzen (25) und eine Halteöffnung (27) zum Aufnehmen des Bolzens (25) in der Blockierstellung umfaßt. Construction vehicle according to claim 4, characterized in that the device (26) serving to block the pivotability of the carrier (11) comprises at least one hydraulically movable bolt (25) and a holding opening (27) for receiving the bolt (25) in the blocking position. Baufahrzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zum Verschwenken des Arbeitsgeräts (2) um die vertikale Achse (14) zwei jeweils aus einer Kolbenstange (21) und einem Zylinder (22) bestehende hydraulische Einrichtungen (23) auf entgegengesetzten Seiten der Längsmittelebene einerseits fahrzeugseitig und andererseits schildseitig angelenkt sind und dass eine Anlenkstelle (33) der einen der beiden hydraulischen Einrichtungen (23) zum Verstellen des Arbeitsgerätes (2) mindestens teilweise lösbar ist.Construction vehicle according to one of claims 1 to 5, characterized in that for pivoting the implement (2) about the vertical axis (14) two hydraulic devices (23) each consisting of a piston rod (21) and a cylinder (22) on opposite sides of the longitudinal median plane are articulated on the vehicle side and on the other hand on the shield side and that an articulation point (33) of one of the two hydraulic devices (23) for adjusting the implement (2) is at least partially detachable. Baufahrzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Träger (11) für das Arbeitsgerät (2) über ein vorstehendes Tragstück (12) am Fahrzeugrahmen (5) gelagert ist.Construction vehicle according to one of claims 1 to 6, characterized in that the carrier (11) for the implement (2) is mounted on the vehicle frame (5) via a projecting support piece (12). Baufahrzeug nach Anspruch 7, dadurch gekennzeichnet, dass das Tragstück (12) bogenförmig ist.Construction vehicle according to claim 7, characterized in that the support piece (12) is arcuate. Baufahrzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Arbeitsgerät (2) mittig am Träger (11) angelenkt ist und dass der Träger (11) relativ zum Fahrzeugrahmen (5) außermittig verschwenkbar gelagert ist.Construction vehicle according to one of claims 1 to 8, characterized in that the implement (2) is articulated centrally on the carrier (11) and that the carrier (11) is pivotally mounted off-center relative to the vehicle frame (5). Baufahrzeug nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass als Arbeitsgerät (2) ein Schild (3') mit einem Mittelstück (42) und mit daran seitlich außen befestigbaren Verlängerungsteilen (40, 41) vorgesehen ist.Construction vehicle according to one of Claims 1 to 9, characterized in that a shield (3 ') with a central piece (42) and with extension parts (40, 41) which can be attached to it laterally on the outside is provided as the working device (2).
EP02003871A 2001-03-29 2002-02-21 Working vehicle with a work implement Expired - Lifetime EP1245740B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10116578 2001-03-29
DE10116578A DE10116578A1 (en) 2001-03-29 2001-03-29 Construction vehicle with an implement

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EP1245740A1 true EP1245740A1 (en) 2002-10-02
EP1245740B1 EP1245740B1 (en) 2010-04-14

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EP02003871A Expired - Lifetime EP1245740B1 (en) 2001-03-29 2002-02-21 Working vehicle with a work implement

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US (1) US6719066B2 (en)
EP (1) EP1245740B1 (en)
CA (1) CA2377039C (en)
DE (2) DE10116578A1 (en)
RU (1) RU2243327C2 (en)

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Also Published As

Publication number Publication date
US6719066B2 (en) 2004-04-13
US20020139545A1 (en) 2002-10-03
DE10116578A1 (en) 2002-10-10
DE50214351D1 (en) 2010-05-27
CA2377039C (en) 2011-05-24
CA2377039A1 (en) 2002-09-29
RU2243327C2 (en) 2004-12-27
EP1245740B1 (en) 2010-04-14

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