EP1915485B1 - Multi-purpose working device - Google Patents

Multi-purpose working device Download PDF

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Publication number
EP1915485B1
EP1915485B1 EP06792741.8A EP06792741A EP1915485B1 EP 1915485 B1 EP1915485 B1 EP 1915485B1 EP 06792741 A EP06792741 A EP 06792741A EP 1915485 B1 EP1915485 B1 EP 1915485B1
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EP
European Patent Office
Prior art keywords
tool
working device
purpose working
subsoil
hydraulic
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Not-in-force
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EP06792741.8A
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German (de)
French (fr)
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EP1915485A1 (en
Inventor
Horst Schwab
Wolfgang Schwab
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HORST SCHWAB GmbH
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HORST SCHWAB GmbH
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Publication of EP1915485A1 publication Critical patent/EP1915485A1/en
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Classifications

    • 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
    • E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
    • 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
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis
    • 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
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/765—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade

Definitions

  • the invention relates to a multi-purpose working device, in particular for the production of flat surfaces, according to the preamble of claim 1 with a rear frame, a front frame, the rear connecting to the front frame center part with the front and rear frame moving means, preferably wheels, are mounted.
  • Such multipurpose work equipment is known in the art. So is about from the DD 237 860 A1 a dozer with these features known. Rear frame and tool holder of this dozer are connected via two telescopic connections of the central part with the front axle.
  • This grading machine has the considerable disadvantage that the extension and retraction of the two telescopic connections must correspond to each other and therefore are technically very complex. Due to the many moving parts, this grader is also particularly prone to failure. The complicated mechanics continue to make a large and heavy overall construction required, which has a high weight and thus a high surface load of the substrate and is very poor maneuverability. Therefore, such a multi-purpose working device can not be used on sensitive surfaces or narrow areas.
  • the DE 2 155 193 B1 shows a grading machine in which the equipped with two wheels rigid front axle is connected by a fixed middle frame with the biaxial rear frame. At the middle frame a grading tool is mounted, the distance to the underlying underlying soil can be kept constant by means of a spacer device. Also This bulldozer is very heavy and poorly manoeuvrable because of its construction.
  • the DE 1931015 B shows an earthmoving vehicle with a biaxial rear part and a biaxial front part.
  • a very elaborate hydraulic is trying to ensure that both the biaxial rear part and the biaxial front part during maneuvering have a uniform pressure on the substrate to be processed in order to keep the surface load despite the high weight bearable.
  • the type-related size leads to poor maneuverability of the vehicle.
  • the DE 3418975 A1 describes a tractor at the rear of a grading or Erdschuls adopted is arranged. Because of the consequent size of the device this is also poor maneuverability.
  • the US 4,364,438 A shows a leveling device with a rotatable at the ends but otherwise rigid in the longitudinal direction middle part, wherein the middle part is formed as a double bow.
  • Object of the present invention is to avoid the disadvantages described above and to provide a multi-purpose working device available, which in particular has a low basis weight with high maneuverability.
  • a multi-purpose working device which has an adjustment means connected to the central part tool holder, so that the tool holder is pivotable substantially perpendicular to the longitudinal axis and substantially parallel to the ground against the central part, wherein the rear and front frame moving means , Preferably wheels, and wherein the central part has at least one fixed and a movable part against it so that the movable part is substantially longitudinally movable against the fixed part.
  • the front frame has a front wheel and direction control means, preferably a hydraulic control.
  • a front wheel which is rotatable by a total of at least 120 degrees, preferably by at least 160 degrees, more preferably by at least 180 degrees, can be minimized together with the moving middle part of the turning radius of the multipurpose working device.
  • the front frame may have a preferably hydraulic drive for driving the front wheel mounted on the front frame. This makes it possible to turn the front wheel 90 degrees out of the longitudinal axis and thus move the multipurpose work tool in a circle. Thus, even small areas and narrow paths, such as walkways, can be processed with the multi-purpose working device according to the invention.
  • the attachment of the tool holder on the central part of the multipurpose working device has the additional advantage that the tool holder describes the same way as the middle part and thus reduces approximately the space required for cornering, which increases the maneuverability.
  • This maneuverability is increased even further when the multipurpose working device has a joint between the rear frame and the middle part, with which the middle part, preferably by means of hydraulics, is pivotable against the rear frame substantially parallel to the ground.
  • the radius can be additionally reduced when cornering.
  • the combination of a powered front wheel, an adjustable middle section and a joint between the center section and the rear frame also makes it possible to work hard-to-reach areas such as the corners of a soccer field.
  • the inventive multi-purpose working device compact design with the drive of all wheels allows a particularly lightweight design. Since the weight of the tool on the front and the rear frame of the multipurpose working device can be distributed very well in this structure, the Surface pressure reduced to the surface to be processed. This is particularly advantageous when the substrate to be processed is only slightly resilient due to the nature, such as existing lawn heating or introduced into the ground drainages.
  • the tool holder preferably has additional adjustment means.
  • These adjustment means essentially serve to adjust the horizontal and vertical angle of the tool holder relative to the ground.
  • these adjustment means comprise hydraulic components, more preferably they are decoupled from each other, so that the horizontal and the vertical angle of the tool holder are independently adjustable.
  • the multi-purpose working device has one or more distance measuring devices, with the help of which substantially the vertical distance of the tool holder connected to the tool is determined relative to the ground.
  • the multi-purpose working device on a control device that controls the distance between the tool and the ground, wherein the control device moves the tool connected to the tool holder by adjusting the vertical distance of at least one side of the tool relative to the ground. A previously set distance between the tool and the substrate is restored by the control device when the substrate changes.
  • the central part of the multipurpose working device has at least one fixed, not longitudinally movable to the rear frame part and a movable part, wherein the movable part moves substantially in the longitudinal direction against the fixed part can be. By moving the moving part a change of the wheelbase is achieved.
  • the front frame has means for receiving further elements, preferably for additional weights, particularly preferably for additional tillage equipment.
  • Fig. 1 shows an embodiment of a multi-purpose working device 1 according to the invention, comprising a front frame 10, a rear frame 11 and a connecting the rear with the front frame center part 20, consisting of a movable part 21 and a fixed part 22.
  • the front and the rear frame have moving means 40 or 41, which are wheels here. But it can also be used other means of movement, such as caterpillars. This ultimately depends on the specific area of application.
  • the tool holder 90 is connected to the fixed center part 22. On the tool holder 90, a tool 30, here a blade, attached.
  • the tool holder 90 Since the tool holder 90 is connected to the middle part 20 via an axis 70, it essentially describes the same path as the middle part 20.
  • the axis 70 serves to change the horizontal angle, ie the angle between the tool holder 90 and the longitudinal axis of the middle part 20 , As a result, the tool 30 can be aligned obliquely to the direction of travel of the multipurpose working device.
  • the tool holder 90 is rotated substantially by a hydraulic or other device suitable for rotating the adjustment device 70.
  • the middle part 20 has a fixed part 22 and a movable part 21 on the other hand. It has proved to be favorable to form the middle part 20 telescopically.
  • the movable middle part 21 extends within the fixed middle part 22.
  • the movable middle part 21 is preferably extended and retracted by means of a hydraulic system. It is also conceivable that the movable part 21 extends above or below the fixed part 22 and is moved about a crank or chain against the fixed part.
  • the extension and retraction of the movable part 21 causes an enlargement and a reduction of the wheelbase.
  • a reduced wheelbase increases the maneuverability of the multipurpose work implement while an increased wheelbase substantially provides greater stability and additionally creates greater pressure of the tool 30 on the ground.
  • a significant advantage of an increased wheelbase is the fact that this unevenness of the substrate to be processed are better compensated.
  • the moving means 40 and 41 are here wheels. But it can also be used caterpillars, which depends on the application.
  • the front frame 10 has exactly one front wheel, which may also be designed as a double wheel, and a device for controlling the direction of the front wheel. As a device for directional control, a hydraulic, not shown, is used. In addition, a drive is provided on the front frame 10 to drive the front wheel. In the illustrated embodiment of the FIG. 1 is it? to an oil hydraulic drive, not shown, which is operated via flexible oil pressure lines 15.
  • the use of only one front wheel has two major advantages: on the one hand, the front wheel can be set at an angle of 90 ° to the axis transverse, allowing a rotation of the multipurpose work tool on its own axis is possible, on the other hand, the maneuverability of the multipurpose working device in particular short central part greatly increased, since the space requirement of the front wheel even when cornering, unlike a known from the prior art large and strong loadable axle, maximum corresponds to the radius of the front wheel.
  • a three-point hydraulic 60 for receiving other devices, such as a rear stacker, a harrow, a router or other tools attached. This considerably increases the number of possible uses of the multipurpose working device. Likewise, a PTO shaft for driving the recorded on the three-point hydraulic tillage equipment available.
  • Fig. 2 shows a detailed representation of in Fig. 1 shown tool holder 90 with attached blade 30 as a tool.
  • the tool holder 90 has adjusting devices 100, here two hydraulic arms.
  • a displacement device not shown here, and two distance measuring devices 120 can be attached to the tool holder 90.
  • the distance measuring devices 120 can here both for measuring the distance be used to the ground as well as to measure the lateral distance.
  • distance measuring devices 120 ultrasonic devices, laser devices or other devices suitable for measuring a distance are used.
  • the adjusting devices 100 are also used. With these adjustment devices 100, the tool 30 is tilted on one side downwards or upwards, whereby the vertical angle of the tool 90 changes to the ground.
  • adjusting devices 100 advantageously hydraulic arms are used. To tilt the tool 30, these must then correspond independently.
  • the adjustment devices 100 also serve to adjust the height of the tool 30. By simultaneously retracting or extending the adjustment devices 100, the tool 30 moves upwards or downwards. The tool 30 itself moves along a guide rail (not shown here) along the holder 115.
  • the tool holder 90 further has a displacement device, not shown, by means of which the tool 30 can be extended substantially laterally, both left and right.
  • a displacement device not shown, by means of which the tool 30 can be extended substantially laterally, both left and right.
  • the range of application of the multipurpose working device is substantially increased, since in particular, together with the setting of the vertical angle to the ground and the substrate side of the multipurpose working device, such as a slope or sidewalk, can be edited.
  • the displacement device is also realized as a hydraulic system. But it is also possible to use about gears.
  • the displacement device is preferably operated independently of the adjustment devices 100.
  • the two distance measuring devices 120 are connected to a control device.
  • a control device For example, with changing distance of the tool holder 90 to the ground, for example, in inclined floors, slopes or bumps, with the help of the control device, a previously set distance can be kept constant even when the ground is changing relative to the ground.
  • the distance measuring device 120 may also be configured to adjust the horizontal distance of the tool holder 90 to a reference object, e.g. a wall, measure and keep constant by means of the control device.
  • the multipurpose working device has a hinge between the rear frame 11 and the fixed part 22.
  • the fixed part 22 is connected by means of the hinge with the rear frame 11 such that the middle part 20 is pivotable substantially parallel to the ground.
  • the middle part 20 is not rigidly connected to the rear part 11, which further increases the maneuverability of the multipurpose working device.
  • the center portion is pivoted to assist the cornering by means of a hydraulic to the right or left, wherein the Abschwenkwinkel may be in a fixed relationship to the steering angle of the front wheel.

Description

Die Erfindung betrifft ein Vielzweckarbeitsgerät, insbesondere zur Herstellung ebener Flächen, gemäß dem Oberbegriff des Anspruchs 1 mit einem hinteren Rahmen, einem vorderen Rahmen, ein den hinteren mit dem vorderen Rahmen verbindendes Mittelteil wobei am vorderen und hinteren Rahmen Bewegungsmittel, vorzugsweise Räder, angebracht sind.The invention relates to a multi-purpose working device, in particular for the production of flat surfaces, according to the preamble of claim 1 with a rear frame, a front frame, the rear connecting to the front frame center part with the front and rear frame moving means, preferably wheels, are mounted.

Derartige Vielzweckarbeitsgeräte sind im Stand der Technik bekannt. So ist etwa aus der DD 237 860 A1 eine Planiermaschine mit diesen Merkmalen bekannt. Hinterer Rahmen und Werkzeughalterung dieser Planiermaschine sind über zwei teleskopartige Verbindungen des Mittelteils mit der Vorderachse verbunden. Diese Planiermaschine hat den erheblichen Nachteil, dass das Aus- und Einfahren der beiden teleskopartigen Verbindungen zueinander korrespondieren müssen und daher technisch sehr aufwändig sind. Aufgrund der vielen beweglichen Teile ist diese Planiermaschine darüber hinaus besonders störanfällig. Die komplizierte Mechanik macht weiterhin eine große und schwere Gesamtkonstruktion erforderlich, die ein hohes Gewicht und damit eine hohe Flächenbelastung des Untergrundes aufweist und nur sehr schlecht manövrierbar ist. Auf empfindlichen Untergründen oder engen Bereichen ist ein solches Vielzweckarbeitsgerät daher nicht einsetzbar.Such multipurpose work equipment is known in the art. So is about from the DD 237 860 A1 a dozer with these features known. Rear frame and tool holder of this dozer are connected via two telescopic connections of the central part with the front axle. This grading machine has the considerable disadvantage that the extension and retraction of the two telescopic connections must correspond to each other and therefore are technically very complex. Due to the many moving parts, this grader is also particularly prone to failure. The complicated mechanics continue to make a large and heavy overall construction required, which has a high weight and thus a high surface load of the substrate and is very poor maneuverability. Therefore, such a multi-purpose working device can not be used on sensitive surfaces or narrow areas.

Die DE 2 155 193 B1 zeigt eine Planiermaschine bei der die mit zwei Rädern bestückte starre Vorderachse durch einen festen mittleren Rahmen mit dem zweiachsigen hinteren Rahmen verbunden ist. Am mittleren Rahmen ist ein Planierwerkzeug angebracht, dessen Abstand zum darunter liegenden zu bearbeitenden Boden mittels einer Abstandsvorrichtung konstant gehalten werden kann. Auch diese Planiermaschine ist wegen ihres Aufbaus sehr schwer und schlecht manövrierbar.The DE 2 155 193 B1 shows a grading machine in which the equipped with two wheels rigid front axle is connected by a fixed middle frame with the biaxial rear frame. At the middle frame a grading tool is mounted, the distance to the underlying underlying soil can be kept constant by means of a spacer device. Also This bulldozer is very heavy and poorly manoeuvrable because of its construction.

Die DE 1931015 B zeigt eine Erdbewegungsfahrzeug mit einem zweiachsigen Hinterteil und einem zweiachsigen Vorderteil. Durch eine sehr aufwendige Hydraulik wird versucht zu gewährleisten, dass sowohl das zweiachsige Hinterteil als auch das zweiachsige Vorderteil beim Manövrieren einen gleichmäßigen Druck auf den zu bearbeitenden Untergrund aufweisen, um damit die Flächenbelastung trotz des hohen Gewichts erträglich zu halten. Die Bauart bedingte Größe führt jedoch zu einer schlechten Manövrierbarkeit des Fahrzeuges.The DE 1931015 B shows an earthmoving vehicle with a biaxial rear part and a biaxial front part. By a very elaborate hydraulic is trying to ensure that both the biaxial rear part and the biaxial front part during maneuvering have a uniform pressure on the substrate to be processed in order to keep the surface load despite the high weight bearable. The type-related size, however, leads to poor maneuverability of the vehicle.

Die DE 3418975 A1 beschreibt eine Zugmaschine an dessen Hinterseite eine Planier- bzw. Erdbewegungseinrichtung angeordnet ist. Wegen der dadurch bedingten Größe der Einrichtung ist diese ebenfalls schlecht manövrierbar.The DE 3418975 A1 describes a tractor at the rear of a grading or Erdbewegungseinrichtung is arranged. Because of the consequent size of the device this is also poor maneuverability.

Die US 4 364 438 A zeigt eine Planiervorrichtung mit einem an den Enden drehbaren aber ansonsten in Längsrichtung starren Mittelteil, wobei das Mittelteil als Doppelbogen ausgebildet ist. Aufgabe der vorliegenden Erfindung ist es, die oben beschriebenen Nachteile zu vermeiden und ein Vielzweckarbeitsgerät zur Verfügung zu stellen, welches insbesondere ein geringes Flächengewicht bei gleichzeitig hoher Manövrierbarkeit aufweist.The US 4,364,438 A shows a leveling device with a rotatable at the ends but otherwise rigid in the longitudinal direction middle part, wherein the middle part is formed as a double bow. Object of the present invention is to avoid the disadvantages described above and to provide a multi-purpose working device available, which in particular has a low basis weight with high maneuverability.

Diese Aufgabe wird erfindungsgemäß durch ein eingangs genanntes Vielzweckarbeitsgerät gelöst, welches eine über Einstellmittel mit dem Mittelteil verbundene Werkzeughalterung aufweist, so dass die Werkzeughalterung im Wesentlichen senkrecht zur Längsachse und im Wesentlichen parallel zum Untergrund gegen das Mittelteil schwenkbar ist, wobei der hintere und vordere Rahmen Bewegungsmittel, vorzugsweise Räder, aufweisen und wobei das Mittelteil mindestens ein feststehendes und ein dagegen bewegliches Teil aufweist so dass das bewegliche Teil im Wesentlichen längs gegen das feststehende Teil bewegbar ist.This object is achieved by a multi-purpose working device mentioned above, which has an adjustment means connected to the central part tool holder, so that the tool holder is pivotable substantially perpendicular to the longitudinal axis and substantially parallel to the ground against the central part, wherein the rear and front frame moving means , Preferably wheels, and wherein the central part has at least one fixed and a movable part against it so that the movable part is substantially longitudinally movable against the fixed part.

Der vordere Rahmen weist ein Vorderrad und Mittel zur Richtungssteuerung, bevorzugt eine Hydrauliksteuerung, auf. Durch die Verwendung von einem Vorderrad, welches um insgesamt mindestens 120 Grad, vorzugsweise um mindestens 160 Grad, besonders bevorzugt um mindestens 180 Grad, drehbar ist, kann zusammen mit dem sich bewegenden Mittelteil der Wenderadius des Vielzweckarbeitsgerätes minimiert werden.The front frame has a front wheel and direction control means, preferably a hydraulic control. By using a front wheel, which is rotatable by a total of at least 120 degrees, preferably by at least 160 degrees, more preferably by at least 180 degrees, can be minimized together with the moving middle part of the turning radius of the multipurpose working device.

Der vordere Rahmen kann einen vorzugsweise hydraulischen Antrieb zum Antrieb des am vorderen Rahmen angebrachten Vorderrades aufweisen. Dadurch ist es möglich, das Vorderrad um 90 Grad aus der Längsachse zu drehen und damit das Vielzweckarbeitsgerät im Kreis zu bewegen. So können auch kleine Flächen und enge Wege, etwa Gehwege, mit dem erfindungsgemäßen Vielzweckarbeitsgerät bearbeitet werden.The front frame may have a preferably hydraulic drive for driving the front wheel mounted on the front frame. This makes it possible to turn the front wheel 90 degrees out of the longitudinal axis and thus move the multipurpose work tool in a circle. Thus, even small areas and narrow paths, such as walkways, can be processed with the multi-purpose working device according to the invention.

Das Anbringen der Werkzeughalterung am Mittelteil des Vielzweckarbeitsgerätes hat den zusätzlichen Vorteil, dass die Werkzeughalterung denselben Weg wie das Mittelteil beschreibt und damit etwa den für Kurvenfahrten benötigten Raum verringert, was die Wendigkeit erhöht. Diese Wendigkeit wird noch weiter erhöht, wenn das Vielzweckarbeitsgerät zwischen dem hinteren Rahmen und dem Mittel-teil ein Gelenk aufweist, mit dem das Mittelteil, bevorzugt mittels einer Hydraulik, im Wesentlichen parallel zum Untergrund gegen den hinteren Rahmen schwenkbar ist. Dadurch kann der Radius bei Kurvenfahrten zusätzlich verkleinert werden.The attachment of the tool holder on the central part of the multipurpose working device has the additional advantage that the tool holder describes the same way as the middle part and thus reduces approximately the space required for cornering, which increases the maneuverability. This maneuverability is increased even further when the multipurpose working device has a joint between the rear frame and the middle part, with which the middle part, preferably by means of hydraulics, is pivotable against the rear frame substantially parallel to the ground. As a result, the radius can be additionally reduced when cornering.

Die Kombination aus angetriebenem Vorderrad, in seiner Länge verstellbarem Mittelteil und dem Gelenk zwischen Mittelteil und hinterem Rahmen ermöglicht es auch schwer zugängliche Stellen, etwa die Ecken eines Fußballfeldes zu bearbeiten.The combination of a powered front wheel, an adjustable middle section and a joint between the center section and the rear frame also makes it possible to work hard-to-reach areas such as the corners of a soccer field.

Die mit dem erfinderischen Vielzweckarbeitsgerät mögliche kompakte Konstruktion mit dem Antrieb aller Räder erlaubt eine besonders leichte Bauweise. Da das Gewicht des Werkzeuges auf den vorderen und den hinteren Rahmen des Vielzweckarbeitsgerät bei diesem Aufbau sehr gut verteilt werden kann, wird der Flächendruck auf den zu bearbeitenden Untergrund verkleinert. Dies ist insbesondere dann vorteilhaft wenn der zu bearbeitende Untergrund aufgrund der Beschaffenheit, etwa bei vorhandener Rasenheizung oder in den Untergrund eingebrachten Drainagen, nur wenig belastbar ist.The possible with the inventive multi-purpose working device compact design with the drive of all wheels allows a particularly lightweight design. Since the weight of the tool on the front and the rear frame of the multipurpose working device can be distributed very well in this structure, the Surface pressure reduced to the surface to be processed. This is particularly advantageous when the substrate to be processed is only slightly resilient due to the nature, such as existing lawn heating or introduced into the ground drainages.

Die Werkzeughalterung weist vorzugsweise zusätzliche Einstellmittel auf. Diese Einstellmittel dienen im Wesentlichen zum Einstellen des horizontalen und vertikalen Winkels der Werkzeughalterung relativ zum Untergrund. Vorzugsweise weisen diese Einstellmittel hydraulische Komponenten auf, besonders bevorzugt sind sie voneinander entkoppelt, so dass der horizontale und der vertikale Winkel der Werkzeughalterung unabhängig voneinander einstellbar sind.The tool holder preferably has additional adjustment means. These adjustment means essentially serve to adjust the horizontal and vertical angle of the tool holder relative to the ground. Preferably, these adjustment means comprise hydraulic components, more preferably they are decoupled from each other, so that the horizontal and the vertical angle of the tool holder are independently adjustable.

Es hat sich darüber hinaus als günstig erwiesen, wenn die Werkzeughalterung eine Verschiebevorrichtung aufweist, welche im Wesentlichen zum seitlichen Ausfahren des Werkzeuges dient.It has also proven to be favorable when the tool holder has a displacement device which essentially serves for lateral extension of the tool.

Vorzugsweise weist das Vielzweckarbeitsgerät eine oder mehrere Abstandsmessvorrichtungen auf, mit deren Hilfe im Wesentlichen der vertikale Abstand des mit der Werkzeughalterung verbundenen Werkzeuges relativ zum Untergrund bestimmbar ist. Besonders bevorzugt weist das Vielzweckarbeitsgerät eine Regeleinrichtung auf, die den Abstand zwischen Werkzeug und Untergrund regelt, wobei die Regeleinrichtung das mit der Werkzeughalterung verbundene Werkzeug durch Einstellung des vertikalen Abstandes mindestens einer Seite das Werkzeugs relativ zum Untergrund bewegt. Ein vorher eingestellter Abstand zwischen Werkzeug und Untergrund wird bei sich änderndem Untergrund durch die Regeleinrichtung wieder hergestellt.Preferably, the multi-purpose working device has one or more distance measuring devices, with the help of which substantially the vertical distance of the tool holder connected to the tool is determined relative to the ground. Particularly preferably, the multi-purpose working device on a control device that controls the distance between the tool and the ground, wherein the control device moves the tool connected to the tool holder by adjusting the vertical distance of at least one side of the tool relative to the ground. A previously set distance between the tool and the substrate is restored by the control device when the substrate changes.

Es hat sich weiterhin als günstig erwiesen, wenn das Mittelteil des Vielzweckarbeitsgerätes mindestens ein feststehendes, nicht in Längsrichtung zum hinteren Rahmen bewegliches Teil und ein bewegliches Teil aufweist, wobei das bewegliche Teil im Wesentlichen in Längsrichtung gegen das feststehende Teil bewegt werden kann. Durch Bewegen des beweglichen Teils wird eine Veränderung des Radstandes erreicht.It has also been found to be advantageous if the central part of the multipurpose working device has at least one fixed, not longitudinally movable to the rear frame part and a movable part, wherein the movable part moves substantially in the longitudinal direction against the fixed part can be. By moving the moving part a change of the wheelbase is achieved.

Es ist vorteilhaft, das Mittelteil teleskopartig zu gestalten und das bewegliche Teil vorzugsweise mittels einer Hydraulik gegen das feststehende Teil zu bewegen.It is advantageous to make the middle part telescopically and to move the movable part preferably by means of a hydraulic against the fixed part.

In einer bevorzugten Ausführungsform weist der vordere Rahmen Mittel zur Aufnahme weiterer Elemente auf, bevorzugt für zusätzliche Gewichte, besonders bevorzugt für zusätzliche Bodenbearbeitungsgeräte.In a preferred embodiment, the front frame has means for receiving further elements, preferably for additional weights, particularly preferably for additional tillage equipment.

Es hat sich als günstig erwiesen am hinteren Rahmen eine Dreipunkthydraulik vorzusehen, bevorzugt zur Aufnahme zusätzlicher oder anderer Geräte oder Werkzeuge, besonders bevorzugt weiterer Bodenbearbeitungsgeräte.It has proven to be favorable to provide a three-point hydraulic system on the rear frame, preferably for receiving additional or other devices or tools, particularly preferably other tillage implements.

Zur weiteren Erläuterung der Erfindung wird im Folgenden ein spezielles Ausführungsbeispiel erläutert. Dabei zeigen:

Fig. 1
ein erfindungsgemäßes Vielzweckarbeitsgerät
Fig. 2
eine Werkzeughalterung mit angebrachtem Werkzeug
To further explain the invention, a specific embodiment will be explained below. Showing:
Fig. 1
a multi-purpose working device according to the invention
Fig. 2
a tool holder with attached tool

Fig. 1 zeigt ein Ausführungsbeispiel eines erfindungsgemäßen Vielzweckarbeitsgerätes 1, aufweisend einen vorderen Rahmen 10, einen hinteren Rahmen 11 und ein den hinteren mit dem vorderen Rahmen verbindendes Mittelteil 20, bestehend aus einem beweglichen Teil 21 und einem feststehenden Teil 22. Der vordere und der hintere Rahmen weisen Bewegungsmittel 40 bzw. 41 auf, die hier Räder sind. Es können aber auch andere Bewegungsmittel, etwa Raupen, eingesetzt werden. Dies hängt letztlich vom konkreten Einsatzbereich ab. Über eine Einstellvorrichtung, hier eine Achse 70, ist die Werkzeughalterung 90 mit dem feststehenden Mittelteil 22 verbunden. An der Werkzeughalterung 90 ist ein Werkzeug 30, hier ein Planierschild, angebracht. Fig. 1 shows an embodiment of a multi-purpose working device 1 according to the invention, comprising a front frame 10, a rear frame 11 and a connecting the rear with the front frame center part 20, consisting of a movable part 21 and a fixed part 22. The front and the rear frame have moving means 40 or 41, which are wheels here. But it can also be used other means of movement, such as caterpillars. This ultimately depends on the specific area of application. About an adjustment, here an axis 70, the tool holder 90 is connected to the fixed center part 22. On the tool holder 90, a tool 30, here a blade, attached.

Da die Werkzeughalterung 90 über eine Achse 70 mit dem Mittelteil 20 verbunden ist, beschreibt sie im Wesentlichen denselben Weg wie das Mittelteil 20. Die Achse 70 dient dazu, den horizontalen Winkel, also den Winkel zwischen Werkzeughalterung 90 und der Längsachse des Mittelteils 20 zu verändern. Dadurch lässt sich das Werkzeug 30 schräg zur Fahrtrichtung des Vielzweckarbeitsgerätes ausrichten. Vorzugsweise wird die Werkzeughalterung 90 im Wesentlichen durch eine Hydraulik oder durch eine andere zum Drehen der Einstellvorrichtung 70 geeignete Vorrichtung gedreht.Since the tool holder 90 is connected to the middle part 20 via an axis 70, it essentially describes the same path as the middle part 20. The axis 70 serves to change the horizontal angle, ie the angle between the tool holder 90 and the longitudinal axis of the middle part 20 , As a result, the tool 30 can be aligned obliquely to the direction of travel of the multipurpose working device. Preferably, the tool holder 90 is rotated substantially by a hydraulic or other device suitable for rotating the adjustment device 70.

Das Mittelteil 20 weist ein feststehendes Teil 22 und ein dagegen bewegliches Teil 21 auf. Es hat sich als günstig erwiesen das Mittelteil 20 teleskopartig auszubilden. Das bewegliche Mittelteil 21 verläuft dabei innerhalb des feststehenden Mittelteils 22. Das bewegliche Mittelteil 21 wird vorzugsweise mittels einer Hydraulik aus- und eingefahren. Denkbar ist auch, dass das bewegliche Teil 21 oberhalb oder unterhalb des feststehenden Teils 22 verläuft und etwa über eine Kurbel oder Kette gegen das feststehende Teil bewegt wird. Das Aus- und Einfahren des beweglichen Teils 21 bewirkt eine Vergrößerung bzw. eine Verkleinerung des Radstandes. Ein verkleinerter Radstand erhöht die Manövrierfähigkeit des Vielzweckarbeitsgerätes während ein vergrößerter Radstand im Wesentlichen eine größere Stabilität bringt und zusätzlich einen größeren Druck des Werkzeuges 30 auf den Untergrund erzeugt. Ein erheblicher Vorteil eines vergrößerten Radstandes ist die Tatsache, dass dadurch Unebenheiten des zu bearbeitenden Untergrundes besser ausgeglichen werden.The middle part 20 has a fixed part 22 and a movable part 21 on the other hand. It has proved to be favorable to form the middle part 20 telescopically. The movable middle part 21 extends within the fixed middle part 22. The movable middle part 21 is preferably extended and retracted by means of a hydraulic system. It is also conceivable that the movable part 21 extends above or below the fixed part 22 and is moved about a crank or chain against the fixed part. The extension and retraction of the movable part 21 causes an enlargement and a reduction of the wheelbase. A reduced wheelbase increases the maneuverability of the multipurpose work implement while an increased wheelbase substantially provides greater stability and additionally creates greater pressure of the tool 30 on the ground. A significant advantage of an increased wheelbase is the fact that this unevenness of the substrate to be processed are better compensated.

Die Bewegungsmittel 40 und 41 sind hier Räder. Es können aber auch Raupen zum Einsatz kommen, was vom Einsatzgebiet abhängt. Der vordere Rahmen 10 weist genau ein Vorderrad, welches auch als Doppelrad ausgebildet sein kann, und eine Vorrichtung zur Richtungssteuerung des Vorderrades auf. Als Vorrichtung zur Richtungssteuerung kommt eine nicht dargestellte Hydraulik zum Einsatz. Zusätzlich ist am vorderen Rahmen 10 ein Antrieb vorhanden um das Vorderrad anzutreiben. Im gezeigten Ausführungsbeispiel der Figur 1 handelt es sich um einen nicht dargestellten Ölhydraulikantrieb, der über flexible Öldruckleitungen 15 betrieben wird.The moving means 40 and 41 are here wheels. But it can also be used caterpillars, which depends on the application. The front frame 10 has exactly one front wheel, which may also be designed as a double wheel, and a device for controlling the direction of the front wheel. As a device for directional control, a hydraulic, not shown, is used. In addition, a drive is provided on the front frame 10 to drive the front wheel. In the illustrated embodiment of the FIG. 1 is it? to an oil hydraulic drive, not shown, which is operated via flexible oil pressure lines 15.

Die Verwendung von nur einem Vorderrad hat zwei wesentliche Vorteile: zum Einen kann das Vorderrad in einem Winkel von 90° zur Achse quer gestellt werden, womit eine Drehung des Vielzweckarbeitsgerätes um die eigene Achse möglich ist, zum Anderen wird die Wendigkeit des Vielzweckarbeitsgerätes insbesondere bei einem kurzen Mittelteil stark erhöht, da der Platzbedarf des Vorderrades auch bei Kurvenfahrt, anders als bei einer aus dem Stand der Technik bekannten großen und stark belastbaren Achse, maximal dem Radius des Vorderrades entspricht.The use of only one front wheel has two major advantages: on the one hand, the front wheel can be set at an angle of 90 ° to the axis transverse, allowing a rotation of the multipurpose work tool on its own axis is possible, on the other hand, the maneuverability of the multipurpose working device in particular short central part greatly increased, since the space requirement of the front wheel even when cornering, unlike a known from the prior art large and strong loadable axle, maximum corresponds to the radius of the front wheel.

Am vorderen Rahmen 10 ist eine Vorrichtung 50 zur Aufnahme weiterer Elemente, vorzugsweise zusätzlicher Gewichte oder Werkzeuge, vorhanden. Durch die Aufnahme zusätzlicher Gewichte wird der Druck des Werkzeuges 30 auf den Untergrund vergrößert und die Stabilität erhöht. Zusätzlich wird die Rutschfestigkeit des angetriebenen Vorderrades erhöht.On the front frame 10 is a device 50 for receiving further elements, preferably additional weights or tools available. By absorbing additional weights, the pressure of the tool 30 is increased to the ground and increases the stability. In addition, the skid resistance of the driven front wheel is increased.

Am hinteren Rahmen 11 ist eine Dreipunkthydraulik 60 zur Aufnahme weiterer Geräte, beispielsweise eines Heckstaplers, einer Kreiselegge, einer Fräse oder weiterer Werkzeuge angebracht. Dadurch erhöht sich die Zahl der Einsatzmöglichkeiten des Vielzweckarbeitsgerätes erheblich. Ebenso ist eine Zapfwelle zum Antrieb der an der Dreipunkthydraulik aufgenommenen Bodenbearbeitungsgeräte vorhanden.At the rear frame 11 is a three-point hydraulic 60 for receiving other devices, such as a rear stacker, a harrow, a router or other tools attached. This considerably increases the number of possible uses of the multipurpose working device. Likewise, a PTO shaft for driving the recorded on the three-point hydraulic tillage equipment available.

Fig. 2 zeigt eine detaillierte Darstellung der in Fig. 1 dargestellten Werkzeughalterung 90 mit angebrachtem Planierschild 30 als Werkzeug. Die Werkzeughalterung 90 weist Einstellvorrichtungen 100, hier zwei Hydraulikarme, auf. An der Werkzeughalterung 90 können zusätzlich eine hier nicht gezeigte Verschiebevorrichtung und zwei Abstandsmessvorrichtungen 120 angebracht werden. Die Abstandsmessvorrichtungen 120 können hier sowohl zum Messen des Abstandes zum Boden als auch zum Messen des seitlichen Abstandes verwendet werden. Als Abstandsmessvorrichtungen 120 kommen Ultraschalleinrichtungen, Lasereinrichtungen oder weitere zum Messen eines Abstandes geeigneten Einrichtungen zum Einsatz. Fig. 2 shows a detailed representation of in Fig. 1 shown tool holder 90 with attached blade 30 as a tool. The tool holder 90 has adjusting devices 100, here two hydraulic arms. In addition, a displacement device, not shown here, and two distance measuring devices 120 can be attached to the tool holder 90. The distance measuring devices 120 can here both for measuring the distance be used to the ground as well as to measure the lateral distance. As distance measuring devices 120 ultrasonic devices, laser devices or other devices suitable for measuring a distance are used.

Um den vertikalen Winkel des Werkzeugs 30 zum Untergrund zu ändern, kommen ebenfalls die Einstellvorrichtungen 100 zum Einsatz. Mit diesen Einstellvorrichtungen 100 wird das Werkzeug 30 einseitig nach unten oder nach oben gekippt, wodurch sich der vertikale Winkel des Werkzeugs 90 zum Untergrund ändert.In order to change the vertical angle of the tool 30 to the ground, the adjusting devices 100 are also used. With these adjustment devices 100, the tool 30 is tilted on one side downwards or upwards, whereby the vertical angle of the tool 90 changes to the ground.

Gezeigt sind, zwei Einstellvorrichtungen 100, wobei eine Einstellvorrichtung links und die andere Einstellvorrichtung rechts am Werkzeug 30 angebracht ist. Als Einstellvorrichtungen 100 werden zweckmäßigerweise Hydraulikarme verwendet. Zum Kippen der Werkzeuges 30 müssen diese dann unabhängig zueinander korrespondieren. Die Einstellvorrichtungen 100 dienen auch zum Einstellen der Höhe des Werkzeuges 30. Durch gleichzeitiges Einfahren bzw. Ausfahren der Einstellvorrichtungen 100 bewegt sich das Werkzeug 30 nach oben bzw. nach unten. Das Werkzeug 30 selbst bewegt sich dabei entlang einer hier nicht dargestellten Führungsschiene entlang der Halterung 115.Shown are two adjusters 100, with one adjuster on the left and the other adjuster on the right of the tool 30. As adjusting devices 100 advantageously hydraulic arms are used. To tilt the tool 30, these must then correspond independently. The adjustment devices 100 also serve to adjust the height of the tool 30. By simultaneously retracting or extending the adjustment devices 100, the tool 30 moves upwards or downwards. The tool 30 itself moves along a guide rail (not shown here) along the holder 115.

Die Werkzeughalterung 90 verfügt weiterhin über eine nicht gezeigte Verschiebevorrichtung, mit deren Hilfe das Werkzeug 30 im Wesentlichen seitlich, sowohl links als auch rechts, ausgefahren werden kann. Dadurch wird der Einsatzbereich des Vielzweckarbeitsgerätes wesentlich vergrößert, da insbesondere zusammen mit der Einstellung des vertikalen Winkels zum Untergrund auch der Untergrund seitlich vom Vielzweckarbeitsgerät, z.B. eine Böschung oder ein Gehweg, bearbeitet werden kann. Vorzugsweise wird die Verschiebevorrichtung ebenfalls als Hydraulik realisiert. Möglich ist aber auch die Verwendung etwa von Zahnrädern. Die Verschiebevorrichtung wird vorzugsweise unabhängig von den Einstellvorrichtungen 100 betrieben.The tool holder 90 further has a displacement device, not shown, by means of which the tool 30 can be extended substantially laterally, both left and right. As a result, the range of application of the multipurpose working device is substantially increased, since in particular, together with the setting of the vertical angle to the ground and the substrate side of the multipurpose working device, such as a slope or sidewalk, can be edited. Preferably, the displacement device is also realized as a hydraulic system. But it is also possible to use about gears. The displacement device is preferably operated independently of the adjustment devices 100.

In einer bevorzugten Ausführungsform sind die zwei Abstandsmessvorrichtungen 120 mit einer Regeleinrichtung verbunden. So kann bei sich änderndem Abstand der Werkzeughalterung 90 zum Untergrund, beispielsweise bei schiefen Böden, Böschungen oder Bodenunebenheiten, mit Hilfe der Regeleinrichtung ein vorher fest eingestellter Abstand auch bei wechselndem Untergrund relativ zum Untergrund konstant gehalten werden. Die Abstandsmessvorrichtung 120 kann auch so ausgebildet sein, dass sie den horizontalen Abstand der Werkzeughalterung 90 zu einem Referenzobjekt, z.B. einer Mauer, messen und mittels der Regeleinrichtung konstant halten kann.In a preferred embodiment, the two distance measuring devices 120 are connected to a control device. Thus, with changing distance of the tool holder 90 to the ground, for example, in inclined floors, slopes or bumps, with the help of the control device, a previously set distance can be kept constant even when the ground is changing relative to the ground. The distance measuring device 120 may also be configured to adjust the horizontal distance of the tool holder 90 to a reference object, e.g. a wall, measure and keep constant by means of the control device.

In einer hier nicht dargestellten Ausführungsform weist das Vielzweckarbeitsgerät zwischen dem hinteren Rahmen 11 und dem feststehenden Teil 22 ein Gelenk auf. Das feststehende Teil 22 ist mittels des Gelenkes derart mit dem hinteren Rahmen 11 verbunden, dass das Mittelteil 20 im Wesentlichen parallel zum Untergrund schwenkbar ist. Durch den Einsatz eines solchen Gelenkes ist das Mittelteil 20 nicht steif mit dem Hinterteil 11 verbunden, was die Manövrierfähigkeit des Vielzweckarbeitsgerätes noch weiter erhöht. Vorzugsweise wird das Mittelteil zur Unterstützung der Kurvenfahrt mittels einer Hydraulik nach rechts oder links geschwenkt, wobei der Abschwenkwinkel in einer festen Beziehung zum Einschlagwinkel des Vorderrades stehen kann.In an embodiment not shown here, the multipurpose working device has a hinge between the rear frame 11 and the fixed part 22. The fixed part 22 is connected by means of the hinge with the rear frame 11 such that the middle part 20 is pivotable substantially parallel to the ground. Through the use of such a hinge, the middle part 20 is not rigidly connected to the rear part 11, which further increases the maneuverability of the multipurpose working device. Preferably, the center portion is pivoted to assist the cornering by means of a hydraulic to the right or left, wherein the Abschwenkwinkel may be in a fixed relationship to the steering angle of the front wheel.

Claims (10)

  1. Multi-purpose working device, in particular for producing even surfaces, comprising a rear frame (11), a front frame (10), a middle part (20) connecting the rear frame with the front frame and a tool support (90) connected with the middle part (20) over setting means (70) so that the tool support (90) is pivotable against the middle part (20) substantially perpendicularly to the longitudinal axis and substantially parallel to the subsoil, whereby the rear frame (11) and the front frame (10) have means of motion (40, 41), preferably wheels, whereby the middle part (20) has at least one fixed part (22) and one part movable (21) against it so that the movable part (21) is movable substantially in longitudinal direction against the fixed part (22), characterized in that the front frame (10)
    - comprising exactly one front wheel (40);
    - comprising means for direction control, preferably one hydraulic control device acting onto the front wheel, whereby the means for direction control are preferably designed in such a manner that they can turn the front wheel (40) over an angular range of at least 120 degrees in total, preferably at least 160 degrees, particularly preferably of at least 180 degrees and
    - comprising a drive, preferably a hydraulic drive, for driving the front wheel (40).
  2. Multi-purpose working device according to claim 1, characterized in that it comprises a hinge between the rear frame (11) and the middle part (20), with which the middle part (20) is pivotable substantially parallel to the subsoil against the rear frame (11), preferably by means of a hydraulic device.
  3. Multi-purpose working device according to one of the preceding claims, characterized in that it comprises setting means (70) for setting the horizontal and the vertical angle of the tool (30) connected with the tool support (90).
  4. Multi-purpose working device according to claim 3, characterized in that the setting means (70) are adjustable uncoupled from each other and separated from each other.
  5. Multi-purpose working device according to claim 3, characterized in that the setting means (70) comprising hydraulic components.
  6. Multi-purpose working device according to one of the preceding claims, characterized in that the tool support (90) does comprise a shifting device substantially for the lateral extension of the tool (30).
  7. Multi-purpose working device according to the preceding claim, characterized in that the movable part (21) and the fixed part (22) of the middle part (20) are movable against each other substantially telescopically, preferably by means of a hydraulic device.
  8. Multi-purpose working device according to one of the preceding claims, characterized in that the front frame (10) comprising means for receiving further elements, preferably additional weights or further devices, particularly preferably further soil working implements.
  9. Multi-purpose working device according to one of the preceding claims, characterized in that a three-point hydraulic device that is intended for receiving further or other tools, preferably soil working implements is fixed to the rear frame (11).
  10. Multi-purpose working device according to one of the preceding claims 3 to 6, characterized in that it comprises at least one distance measuring device with which substantially the vertical distance of the tool (30), connected with the tool support (90), can be determined relatively to the subsoil, further comprising a control device which is intended for controlling the distance between the tool (30) and the subsoil, whereby the control device moves the tool (30) connected with the tool support (90) by adjusting the vertical distance of at least one side of the tool (30) relatively to the subsoil so that, because of the control device, a previously fixed vertical distance between the tool (30) and the subsoil remains substantially constant when the subsoil is changing.
EP06792741.8A 2005-08-08 2006-08-08 Multi-purpose working device Not-in-force EP1915485B1 (en)

Applications Claiming Priority (2)

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DE102005037389A DE102005037389B4 (en) 2005-08-08 2005-08-08 Multi-purpose working device
PCT/EP2006/065164 WO2007017516A1 (en) 2005-08-08 2006-08-08 Multi-purpose working device

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EP1915485A1 EP1915485A1 (en) 2008-04-30
EP1915485B1 true EP1915485B1 (en) 2013-07-03

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US (1) US20080169110A1 (en)
EP (1) EP1915485B1 (en)
CA (1) CA2618020C (en)
DE (1) DE102005037389B4 (en)
WO (1) WO2007017516A1 (en)

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WO2009121415A1 (en) * 2008-04-03 2009-10-08 Horst Schwab Gmbh Multi-purpose device for producing flat surfaces
FR2976155A1 (en) * 2011-06-07 2012-12-14 Bouhours Et Cie Farm tractor, has frame part located in front of driver's post, and sliding beam set with respect to central beam, where front portion of sliding beam is hinged and articulated around axis and bears front wheels and tool holder

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Also Published As

Publication number Publication date
US20080169110A1 (en) 2008-07-17
EP1915485A1 (en) 2008-04-30
DE102005037389B4 (en) 2008-10-16
WO2007017516A1 (en) 2007-02-15
CA2618020C (en) 2012-09-11
DE102005037389A1 (en) 2007-02-15
CA2618020A1 (en) 2007-02-15

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