EP1510624A2 - Loader-linkage and work vehicle - Google Patents

Loader-linkage and work vehicle Download PDF

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Publication number
EP1510624A2
EP1510624A2 EP04103994A EP04103994A EP1510624A2 EP 1510624 A2 EP1510624 A2 EP 1510624A2 EP 04103994 A EP04103994 A EP 04103994A EP 04103994 A EP04103994 A EP 04103994A EP 1510624 A2 EP1510624 A2 EP 1510624A2
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EP
European Patent Office
Prior art keywords
loader
linkage
link
frame
implement
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
EP04103994A
Other languages
German (de)
French (fr)
Other versions
EP1510624B1 (en
EP1510624A3 (en
Inventor
David Michael O'brien
Gregory Keith Werner
Michael Dean Worley
George Madsen Robertson
Ph.D. Dusan John Hvolka
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Deere and Co
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Deere and Co
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Filing date
Publication date
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Publication of EP1510624A2 publication Critical patent/EP1510624A2/en
Publication of EP1510624A3 publication Critical patent/EP1510624A3/en
Application granted granted Critical
Publication of EP1510624B1 publication Critical patent/EP1510624B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3405—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
    • E02F3/3411—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism of the Z-type

Definitions

  • the invention is based on a Z-shaped loader linkage includes a bellcrank, which over one of the ladder independent leveling link rotatable on the Loader frame is attached, and to a work vehicle with directed to such a loader linkage.
  • Loaders are working machines with a loader linkage, which a rotatable loading arm for vertical positioning of a Having attached to the loading arm attachment.
  • the Loader linkage usually includes an attachment tilt linkage for adjusting the angular position of the attachment relative to the loading arm.
  • a known type of loader linkage is a Z-shaped Linkage, also called Z-bar linkage.
  • the attachment can be a Tool coupler contain, on which a working tool detachable is attached.
  • the attachment can also be the tool itself be.
  • the Z-shaped linkage includes a bellcrank one attached to the loading rocker Umlenkhebelfilzapfen.
  • a hydraulic cylinder extends from the loader frame a driven end of the bell crank and twisted the Deflection lever relative to the loading arm, whereby the driving End of the reversing lever is moved.
  • the driving end of the Reversing lever is coupled to the attachment to its Angle to change relative to the loading arm.
  • the loader linkage includes a loader frame on the a loading arm is attached.
  • the loader end of the Ladeschwinge is rotatable by a loading swing pivot attached to the loader frame, so that the loader boom by hydraulic Ladeschwingenhubzylinder relative to the Twist loader frame.
  • the other end of the ladder, namely the attachment end is by a Attachment pivot rotatably attached to the attachment.
  • the Loader linkage is also available with an attachment dump linkage provided to the angular position of the implement relative to Set the loading arm.
  • the implement tilt linkage includes a floating lever with a Reversing lever pivot, wherein the lever independent of the Ladeschwinge by a leveling link with the Loader frame is coupled.
  • the driven end of the Reversing lever is connected to a hydraulic Attachment tilt cylinder coupled, which differs from the driven end of the reversing lever to the loader frame extends.
  • the driving end of the bellcrank is with a Attachment link provided, which to the Attachment extends.
  • a guide link extends between the attachment link and the Loader arm.
  • the loader 10 with four-wheel drive is provided with an articulated frame, the one Laderrahmen 20 contains, which via vertical pivot 40th is connected to a rear frame 30.
  • the loader 10 is steered by the loader frame 20 relative to the rear frame 30 is pivoted in a known manner.
  • the front as well as the Rear frames 20 and 30 are from the front Drive wheels 22 and the rear drive wheels 32nd carried.
  • On the rear frame 30 is an operating stand 34 is provided, which is usually over the vertical Rotary bearings 40 is arranged.
  • the loader frame 20 includes a Mast 21, by a right mast area 21 a and a left mast region 21b is formed.
  • the front and Rear drive wheels 22 and 32 drive the vehicle over the Ground on and turn on a suitable gear by an internal combustion engine, not shown driven.
  • the internal combustion engine is on the Rear frame 30 is arranged. Even if the present Invention in the context of a wheel-driven Work vehicle is revealed, she is also at Work vehicles passing over pulleys or crawlers be driven, applicable.
  • a loader linkage which includes a loading arm 50, which consists partly of right or left arms 50a and 50b is formed.
  • the middle areas of the right and left arms 50a and 50b are through transverse transverse or guide tube 52 connected, which both the right and left arms 50a and 50b is welded.
  • the loader end of the loader arm 50 is by means of transverse loading swing pivot pins 61 and 63 connected to the mast 21.
  • An attachment in the form of a Loader bucket 70 is mounted on a tool coupler 71, which in turn by transverse Implement pivots 64, only one of which is shown on the attachment end of the loading arm 50 is attached.
  • the Ladeschwinge 50 can be around the transverse pivot Swivel 61 and 63, respectively.
  • the pivoting serve hydraulic Ladeschwingenhubzylinder 65a and 65b, the rear ends each by transverse pivot 67, of which only one is shown attached to the loader frame are.
  • the front ends of the hydraulic lift cylinders 65a and 65b are through transverse Ladeschwingenhub loftzapfen 66th and 68 on the right and left arms 50a and 50b, respectively attached. Even if the illustrated loader 10 with a The blade 70 mounted on the tool coupler 71 is shown. so can other attachments to the tool coupler or attached directly to the mounting end of the loading arm 50 become.
  • the angular position of the blade 70 relative to the loading arm 50 is controlled by an implement tilt linkage 80.
  • the Attachment tilt linkage 80 includes: a hydraulic Tilting cylinder 81, a leveling link 82, a Deflection lever 83, a guide link 84 and a Attachment link 85.
  • the hydraulic tilt cylinder 81 drives the tilt linkage 80 and extends between the loader frame 20 and the driven end of the reversing lever 83, with which he is driven by a transverse Pivot 91 is hingedly connected.
  • a middle area of the reversing lever 83 is by a transverse Reversing lever pivot 90 at the front end of the Leveling link 82 attached.
  • Leveling link 82 right and left Connecting links 82a and 82b show the embodiment Leveling link 82 right and left Connecting links 82a and 82b.
  • the driving end of the Umlenkhebels 83 is by a transverse driving Pivot 92 with the rear end of the Attachment link 85 connected.
  • the front end of the attachment link 85 is connected via a transverse pivot 94 rotatably with the tool coupler 71 of the loader bucket 70 connected.
  • One Guide link 84 which right and left areas 84a and 84b extends between a middle one Area of loading rockers 50 and a middle area of the Implement link 85.
  • the guide link 84 is by a transverse guide pivot 93 at the Aubautechnik fürsglied 85 and a transverse guide tube pivot 95, of a with the cross tube 52 welded bracket 54 is worn on the cross tube 52 mounted.
  • the entire rear end of the implement tilt linkage 80 including the rear end of the hydraulic tilting cylinder 81 and the loader end of the leveling link 82, Be functional from a removable Linkage bearing 100 worn.
  • the removable Linkage bearing 100 is firmly attached by means of screws Load carrying areas connected to the loader frame 20.
  • the leveling link 82 is through Leveling link pivots 96 pivoted to the removable link pin bearing 100 and thus also to the Mast 21 coupled.
  • the leveling link pivots 96 are above and behind the loading swing pivot 63 localized.
  • the tilt cylinder 81 is through Kippzylinderlader loftzapfen 97 pivotally connected to the removable link pin bearing 100 and thus also to the Mast 21 coupled.
  • the tilt cylinder loader pivots 97 are below and behind the loading swing pivot 63 localized.
  • Embodiment includes the leveling link 82 a single Y-link.
  • the Y-link has two legs 120 passing through leveling link pivots 96 pivotally coupled to the mast 21 are.
  • the base 122 of the Y-link is through transverse Umlenkhebelfilzapfen 90 pivotally with the Reversing lever 83 coupled.

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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)
  • Shovels (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

A loading arm (50) has one end rotatably connected via journals (61, 63) to the loader frame (20). A tool attachment (70. 71) is pivotally connected to the other end of the arm and extends at an angle relative to the latter. A tilt linkage (80) for the tool is used to alter the angle of the tool relative to the arm and comprises a deflection lever (83) rotatably mounted on the loader frame independently from the arm via a journal (90), a linear actuator (81) extending between the frame and driven end of the actuator and a connecting part (85) rotatably secured to the driving end of the lever and extending in the direction of the tool. The tool is a scoop.

Description

Die Erfindung ist auf ein Z-förmiges Ladergestänge, welches einen Umlenkhebel enthält, der über ein von der Ladeschwinge unabhängiges Nivellierverbindungsglied drehbar an dem Laderrahmen befestigt ist, und auf ein Arbeitsfahrzeug mit einem derartigen Ladergestänge gerichtet.The invention is based on a Z-shaped loader linkage includes a bellcrank, which over one of the ladder independent leveling link rotatable on the Loader frame is attached, and to a work vehicle with directed to such a loader linkage.

Lader sind Arbeitsmaschinen mit einem Ladergestänge, welches eine drehbare Ladeschwinge zur vertikalen Positionierung eines an der Ladeschwinge befestigten Anbaugerätes aufweist. Das Ladergestänge enthält üblicherweise ein Anbaugerätekippgestänge zum Verstellen der Winkelposition des Anbaugerätes relativ zur Ladeschwinge.Loaders are working machines with a loader linkage, which a rotatable loading arm for vertical positioning of a Having attached to the loading arm attachment. The Loader linkage usually includes an attachment tilt linkage for adjusting the angular position of the attachment relative to the loading arm.

Eine bekannte Art von Ladergestängen ist ein Z-förmiges Gestänge, auch Z-bar linkage genannt. Bei dem Z-förmigen Gestänge ist ein Ende der Ladeschwinge drehbar an einem Laderrahmen und das andere Ende der Ladeschwinge drehbar an dem Anbaugerät befestigt. Das Anbaugerät kann einen Werkzeugkuppler enthalten, an dem ein Arbeitswerkzeug lösbar befestigt ist. Das Anbaugerät kann auch das Werkzeug selbst sein. Das Z-förmige Gestänge enthält einen Umlenkhebel mit einem an der Ladeschwinge befestigten Umlenkhebeldrehzapfen. Ein Hydraulikzylinder erstreckt sich von dem Laderrahmen zu einem angetriebenen Ende des Umlenkhebels und verdreht den Umlenkhebel relativ zur Ladeschwinge, wodurch das antreibende Ende des Umlenkhebels bewegt wird. Das antreibende Ende des Umlenkhebels ist mit dem Anbaugerät gekoppelt, um dessen Winkellage relativ zur Ladeschwinge zu verändern.A known type of loader linkage is a Z-shaped Linkage, also called Z-bar linkage. In the Z-shaped Linkage is one end of the loading rocker rotatable on one Loader frame and the other end of the loader swivel to attached to the attachment. The attachment can be a Tool coupler contain, on which a working tool detachable is attached. The attachment can also be the tool itself be. The Z-shaped linkage includes a bellcrank one attached to the loading rocker Umlenkhebeldrehzapfen. A hydraulic cylinder extends from the loader frame a driven end of the bell crank and twisted the Deflection lever relative to the loading arm, whereby the driving End of the reversing lever is moved. The driving end of the Reversing lever is coupled to the attachment to its Angle to change relative to the loading arm.

Es ist eine Aufgabe der vorliegenden Erfindung, ein Ladergestänge sowie ein Arbeitsfahrzeug mit einem Ladergestänge bereitzustellen, welches eine gute Reißkraft sowie eine parallele Hubcharakteristik aufweisen.It is an object of the present invention to provide a Loader linkage as well as a work vehicle with a To provide loader linkage, which has a good breaking strength and have a parallel stroke characteristic.

Diese Aufgabe wird entsprechend der vorliegenden Erfindung durch die Lehre eines der Ansprüche 1 oder 10 gelöst. Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung gehen aus den abhängigen Ansprüchen hervor.This object is achieved according to the present invention solved by the teaching of one of claims 1 or 10. Further advantageous embodiments and modifications of the invention are apparent from the dependent claims.

Es ist eine Besonderheit der vorliegenden Erfindung, dass das Ladergestänge ein sogenanntes Z-bar-Gestänge mit einem schwimmenden Umlenkhebel ist.It is a peculiarity of the present invention that the Ladergestänge a so-called Z-bar linkage with a floating lever is.

In einem bevorzugten Ausführungsbeispiel der vorliegenden Erfindung enthält das Ladergestänge einen Laderrahmen an dem eine Ladeschwinge befestigt ist. Das Laderende der Ladeschwinge ist durch einen Ladeschwingendrehzapfen drehbar an dem Laderrahmen befestigt, so dass sich die Ladeschwinge durch hydraulischen Ladeschwingenhubzylinder relativ zu dem Laderrahmen verdrehen lässt. Das andere Ende der Ladeschwinge, nämlich das Anbaugeräteende, ist durch einen Anbaugerätedrehzapfen drehbar an dem Anbaugerät befestigt. Das Ladergestänge ist auch mit einem Anbaugerätekippgestänge versehen, um die Winkelposition des Anbaugerätes relativ zur Ladeschwinge einzustellen. Das Anbaugerätekippgestänge enthält einen schwimmenden Umlenkhebel mit einem Umlenkhebeldrehzapfen, wobei der Umlenkhebel unabhängig von der Ladeschwinge durch ein Nivellierverbindungsglied mit dem Laderrahmen gekoppelt ist. Das angetriebene Ende des Umlenkhebels ist an einen hydraulischen Anbaugerätekippzylinder gekoppelt, welcher sich von dem angetriebenen Ende des Umlenkhebels zu dem Laderrahmen erstreckt. Das antreibende Ende des Umlenkhebels ist mit einem Anbaugeräteverbindungsglied versehen, welches sich zu dem Anbaugerät erstreckt. Ein Führungsverbindungsglied erstreckt sich zwischen dem Anbaugeräteverbindungsglied und der Ladeschwinge.In a preferred embodiment of the present invention Invention, the loader linkage includes a loader frame on the a loading arm is attached. The loader end of the Ladeschwinge is rotatable by a loading swing pivot attached to the loader frame, so that the loader boom by hydraulic Ladeschwingenhubzylinder relative to the Twist loader frame. The other end of the ladder, namely the attachment end, is by a Attachment pivot rotatably attached to the attachment. The Loader linkage is also available with an attachment dump linkage provided to the angular position of the implement relative to Set the loading arm. The implement tilt linkage includes a floating lever with a Reversing lever pivot, wherein the lever independent of the Ladeschwinge by a leveling link with the Loader frame is coupled. The driven end of the Reversing lever is connected to a hydraulic Attachment tilt cylinder coupled, which differs from the driven end of the reversing lever to the loader frame extends. The driving end of the bellcrank is with a Attachment link provided, which to the Attachment extends. A guide link extends between the attachment link and the Loader arm.

Die Erfindung und weitere vorteilhafte Weiterbildungen und Anordnungen der Erfindung werden nun beispielhaft und mit Bezugnahme auf die beigefügten Zeichnungen näher beschrieben und erläutert. Es zeigt:

Fig. 1
eine Seitenansicht eines erfindungsgemäßen Laders mit Vierradantrieb,
Fig. 2
eine Seitenansicht des erfindungsgemäßen Ladergestänges,
Fig. 3
eine perspektivische Ansicht des Ladergestänges von oben gesehen und
Fig. 4
eine perspektivische Ansicht eines alternativen Ausführungsbeispiels des erfindungsgemäßen Ladergestänges von oben gesehen.
The invention and further advantageous developments and arrangements of the invention will now be described and explained by way of example and with reference to the accompanying drawings. It shows:
Fig. 1
a side view of a charger according to the invention with four-wheel drive,
Fig. 2
a side view of the loader linkage according to the invention,
Fig. 3
a perspective view of the loader linkage seen from above and
Fig. 4
a perspective view of an alternative embodiment of the loader linkage according to the invention seen from above.

Fig. 1 illustriert ein Arbeitsfahrzeug, welches einen Lader 10 mit Vierradantrieb darstellt. Der Lader 10 mit Vierradantrieb ist mit einem Knickgelenkrahmen versehen, der einen Laderrahmen 20 enthält, welcher über vertikale Drehlager 40 mit einem hinteren Rahmen 30 verbunden ist. Der Lader 10 wird gelenkt, indem der Laderrahmen 20 relativ zum hintere Rahmen 30 auf bekannte Weise verschwenkt wird. Der vordere sowie der hintere Rahmen 20 und 30 werden von den vorderen Antriebsrädern 22 bzw. den hinteren Antriebsrädern 32 getragen. Auf dem hinteren Rahmen 30 ist ein Bedienungsstand 34 vorgesehen, welcher üblicher Weise über den vertikalen Drehlagern 40 angeordnet ist. Der Laderrahmen 20 enthält einen Mast 21, der durch einen rechten Mastbereich 21a und einen linken Mastbereich 21b gebildet wird. Die vorderen und hinteren Antriebsräder 22 und 32 treiben das Fahrzeug über dem Boden an und werden ihrerseits über ein geeignetes Getriebe durch eine nicht gezeigte Verbrennungskraftmaschine angetrieben. Die Verbrennungskraftmaschine ist auf dem hinteren Rahmen 30 angeordnet. Auch wenn die vorliegende Erfindung im Zusammenhang mit einem von Rädern angetriebenen Arbeitsfahrzeug offenbart wird, ist sie auch bei Arbeitsfahrzeugen, die über Laufriemen oder Gleisketten angetrieben werden, anwendbar.1 illustrates a work vehicle which has a loader 10 with four-wheel drive represents. The loader 10 with four-wheel drive is provided with an articulated frame, the one Laderrahmen 20 contains, which via vertical pivot 40th is connected to a rear frame 30. The loader 10 is steered by the loader frame 20 relative to the rear frame 30 is pivoted in a known manner. The front as well as the Rear frames 20 and 30 are from the front Drive wheels 22 and the rear drive wheels 32nd carried. On the rear frame 30 is an operating stand 34 is provided, which is usually over the vertical Rotary bearings 40 is arranged. The loader frame 20 includes a Mast 21, by a right mast area 21 a and a left mast region 21b is formed. The front and Rear drive wheels 22 and 32 drive the vehicle over the Ground on and turn on a suitable gear by an internal combustion engine, not shown driven. The internal combustion engine is on the Rear frame 30 is arranged. Even if the present Invention in the context of a wheel-driven Work vehicle is revealed, she is also at Work vehicles passing over pulleys or crawlers be driven, applicable.

Am Laderrahmen 20 ist ein Ladergestänge angeordnet, welches eine Ladeschwinge 50 enthält, die zum Teil aus rechten bzw. linken Armen 50a und 50b gebildet wird. Die mittleren Bereiche des rechten und des linken Arms 50a und 50b sind durch ein querverlaufendes Quer- oder Führungsrohr 52 verbunden, welches sowohl mit dem rechten als auch mit dem linken Arm 50a und 50b verschweißt ist. Das laderseitige Ende der Ladeschwinge 50 ist mittels querverlaufender Ladeschwingendrehzapfen 61 und 63 mit dem Mast 21 verbunden. Ein Anbaugerät in Form einer Laderschaufel 70 ist auf einem Werkzeugkuppler 71 befestigt, welcher seinerseits durch querverlaufende Anbaugerätedrehzapfen 64, von denen nur einer gezeigt ist, an dem Anbaugeräteende der Ladeschwinge 50 befestigt ist. Die Ladeschwinge 50 lässt sich um die querverlaufenden Drehzapfen 61 bzw. 63 verschwenken. Dem Verschwenken dienen hydraulische Ladeschwingenhubzylinder 65a und 65b, deren hintere Enden jeweils durch querverlaufenden Drehzapfen 67, von denen lediglich einer gezeigt ist, an dem Laderrahmen befestigt sind. Die vorderen Enden der hydraulischen Hubzylinder 65a und 65b sind durch querverlaufende Ladeschwingenhubdrehzapfen 66 und 68 an dem rechten bzw. dem linken Arm 50a und 50b befestigt. Auch wenn der dargestellte Lader 10 mit einer an dem Werkzeugkuppler 71 montierten Schaufel 70 dargestellt ist, so können auch andere Anbaugeräte an dem Werkzeugkuppler oder unmittelbar an dem Anbauende der Ladeschwinge 50 befestigt werden.On Laderrahmen 20 a loader linkage is arranged, which includes a loading arm 50, which consists partly of right or left arms 50a and 50b is formed. The middle areas of the right and left arms 50a and 50b are through transverse transverse or guide tube 52 connected, which both the right and left arms 50a and 50b is welded. The loader end of the loader arm 50 is by means of transverse loading swing pivot pins 61 and 63 connected to the mast 21. An attachment in the form of a Loader bucket 70 is mounted on a tool coupler 71, which in turn by transverse Implement pivots 64, only one of which is shown on the attachment end of the loading arm 50 is attached. The Ladeschwinge 50 can be around the transverse pivot Swivel 61 and 63, respectively. The pivoting serve hydraulic Ladeschwingenhubzylinder 65a and 65b, the rear ends each by transverse pivot 67, of which only one is shown attached to the loader frame are. The front ends of the hydraulic lift cylinders 65a and 65b are through transverse Ladeschwingenhubdrehzapfen 66th and 68 on the right and left arms 50a and 50b, respectively attached. Even if the illustrated loader 10 with a The blade 70 mounted on the tool coupler 71 is shown. so can other attachments to the tool coupler or attached directly to the mounting end of the loading arm 50 become.

Die Winkellage der Schaufel 70 relativ zur Ladeschwinge 50 wird durch ein Anbaugerätekippgestänge 80 gesteuert. Das Anbaugerätekippgestänge 80 enthält: einen hydraulischen Kippzylinder 81, ein Nivellierverbindungsglied 82, einen Umlenkhebel 83, ein Führungsverbindungsglied 84 und ein Anbaugeräteverbindungsglied 85. Der hydraulische Kippzylinder 81 treibt das Kippgestänge 80 an und erstreckt sich zwischen dem Laderrahmen 20 und dem angetriebenen Ende des Umlenkhebels 83, mit welchem er durch einen querverlaufenden angetriebenen Drehzapfen 91 gelenkig verbunden ist. Ein mittlerer Bereich des Umlenkhebels 83 ist durch einen querverlaufenden Umlenkhebeldrehzapfen 90 an dem vorderen Ende des Nivellierverbindungsgliedes 82 befestigt. In dem in den Figuren 1 - 3 gezeigten Ausführungsbeispiel enthält das Nivellierverbindungsglied 82 rechte und linke Verbindungsglieder 82a und 82b. Als solcher ist der Umlenkhebel 83 unabhängig von der Laderschwinge 50 und schwimmt relativ zu dieser. Das antreibende Ende des Umlenkhebels 83 ist durch einen querverlaufenden antreibenden Drehzapfen 92 mit dem hinteren Ende des Anbaugeräteverbindungsglieds 85 verbunden. Das vordere Ende des Anbaugeräteverbindungsgliedes 85 ist über einen querverlaufenden Drehzapfen 94 drehbar mit dem Werkzeugkuppler 71 der Laderschaufel 70 verbunden. Ein Führungsverbindungsglied 84, welches rechte und linke Bereiche 84a und 84b aufweist, erstreckt sich zwischen einem mittleren Bereich der Ladeschwingen 50 und einem mittleren Bereich des Anbaugeräteverbindungsgliedes 85. Das Führungsverbindungsglied 84 ist durch einen querverlaufenden Führungsdrehzapfen 93 an dem Aubaugeräteverbindungsglied 85 und über einen querverlaufenden Führungsrohrdrehzapfen 95, der von einer mit dem Querrohr 52 verschweißten Halterung 54 getragen wird, an dem Querrohr 52 montiert.The angular position of the blade 70 relative to the loading arm 50 is controlled by an implement tilt linkage 80. The Attachment tilt linkage 80 includes: a hydraulic Tilting cylinder 81, a leveling link 82, a Deflection lever 83, a guide link 84 and a Attachment link 85. The hydraulic tilt cylinder 81 drives the tilt linkage 80 and extends between the loader frame 20 and the driven end of the reversing lever 83, with which he is driven by a transverse Pivot 91 is hingedly connected. A middle area of the reversing lever 83 is by a transverse Reversing lever pivot 90 at the front end of the Leveling link 82 attached. In the in the FIGS. 1-3 show the embodiment Leveling link 82 right and left Connecting links 82a and 82b. As such is the Lever 83 regardless of the loader rocker 50 and floats relative to this. The driving end of the Umlenkhebels 83 is by a transverse driving Pivot 92 with the rear end of the Attachment link 85 connected. The front end of the attachment link 85 is connected via a transverse pivot 94 rotatably with the tool coupler 71 of the loader bucket 70 connected. One Guide link 84, which right and left areas 84a and 84b extends between a middle one Area of loading rockers 50 and a middle area of the Implement link 85. The guide link 84 is by a transverse guide pivot 93 at the Aubaugeräteverbindungsglied 85 and a transverse guide tube pivot 95, of a with the cross tube 52 welded bracket 54 is worn on the cross tube 52 mounted.

Das gesamte hintere Ende des Anbaugerätekippgestänges 80, einbegriffen das hintere Ende des hydraulischen Kippzylinders 81 und das Laderende des Nivellierverbindungsgliedes 82, werden funktionsfähig von einer abnehmbaren Gestängebolzenlagerung 100 getragen. Die abnehmbare Gestängebolzenlagerung 100 ist mittels Schrauben fest an Lasttragbereichen mit dem Laderrahmen 20 verbunden.The entire rear end of the implement tilt linkage 80, including the rear end of the hydraulic tilting cylinder 81 and the loader end of the leveling link 82, Be functional from a removable Linkage bearing 100 worn. The removable Linkage bearing 100 is firmly attached by means of screws Load carrying areas connected to the loader frame 20.

Das Nivellierverbindungsglied 82 ist durch Nivellierverbindungsglieddrehzapfen 96 verschwenkbar an die abnehmbare Gestängebolzenlagerung 100 und damit auch an den Mast 21 gekoppelt. Die Nivellierverbindungsglieddrehzapfen 96 sind oberhalb und hinter den Ladeschwingendrehzapfen 63 lokalisiert. Der Kippzylinder 81 ist durch Kippzylinderladerdrehzapfen 97 verschwenkbar an die abnehmbaren Gestängebolzenlagerung 100 und damit auch an den Mast 21 gekoppelt. Die Kippzylinderladerdrehzapfen 97 sind unterhalb und hinter den Ladeschwingendrehzapfen 63 lokalisiert.The leveling link 82 is through Leveling link pivots 96 pivoted to the removable link pin bearing 100 and thus also to the Mast 21 coupled. The leveling link pivots 96 are above and behind the loading swing pivot 63 localized. The tilt cylinder 81 is through Kippzylinderladerdrehzapfen 97 pivotally connected to the removable link pin bearing 100 and thus also to the Mast 21 coupled. The tilt cylinder loader pivots 97 are below and behind the loading swing pivot 63 localized.

In einem in Fig. 4 illustrierten alternativen Ausführungsbeispiel enthält das Nivellierverbindungsglied 82 ein einziges Y-Verbindungsglied. Das Y-Verbindungsglied hat zwei Schenkel 120, die durch Nivellierverbindungsglieddrehzapfen 96 verschwenkbar an den Mast 21 gekoppelt sind. Die Basis 122 des Y-Verbindungsgliedes ist durch querverlaufende Umlenkhebeldrehzapfen 90 verschwenkbar mit dem Umlenkhebel 83 gekoppelt.In an alternative illustrated in FIG Embodiment includes the leveling link 82 a single Y-link. The Y-link has two legs 120 passing through leveling link pivots 96 pivotally coupled to the mast 21 are. The base 122 of the Y-link is through transverse Umlenkhebeldrehzapfen 90 pivotally with the Reversing lever 83 coupled.

Nachdem die illustrierten Ausführungsbeispiele beschrieben wurden, wird es offensichtlich, dass verschiedene Modifikationen vorgenommen werden können, ohne dass von dem Geltungsbereich der Erfindung, wie er durch die beigefügten Ansprüche definiert ist, abgewichen wird.Having described the illustrated embodiments it becomes obvious that different Modifications can be made without being affected by the Scope of the invention, as indicated by the attached Claims is deviated.

Claims (10)

Ladergestänge enthaltend: einen Laderrahmen (20); eine Ladeschwinge (50) mit einem Laderende und einem Anbaugeräteende und einem zwischen dem Laderende und dem Anbaugeräteende liegenden mittleren Bereich, wobei das Laderende über Ladeschwingendrehzapfen (61, 63) verdrehbar an dem Laderrahmen (20) befestigt ist; ein Anbaugerät (70, 71), welches drehbar an dem Anbaugeräteende der Ladeschwinge (50) befestigt ist und eine Winkelausrichtung relativ zur Ladeschwinge (50) einnimmt; ein Anbaugerätekippgestänge (80) zur Einstellung der Winkelausrichtung des Anbaugerätes (70, 71) relativ zur Ladeschwinge (50), wobei das Anbaugerätekippgestänge (80) enthält: einen Umlenkhebel (83), der unabhängig von der Ladeschwinge (50) drehbar am Laderrahmen (20) befestigt ist und ein angetriebenes Ende sowie antreibendes Ende aufweist, einen linearen Stellantrieb (81), der sich zwischen dem Laderrahmen (20) und dem angetriebenen Ende des Umlenkhebels (83) erstreckt und dem verdrehen des Umlenkhebels (83) um einen Umlenkhebeldrehzapfen (90) dient, und ein Anbaugeräteverbindungsglied (85), welches drehbar an dem antreibenden Ende des Umlenkhebels (83) befestigt ist und sich zum Anbaugerät (70, 71) hin erstreckt, um die Winkelausrichtung des Anbaugerätes (70, 71) relativ zur Ladeschwinge (50) einzustellen. Loader linkage containing: a loader frame (20); a loader arm (50) having a loader end and an implement end and a central region located between the loader end and the implement end, the loader end being rotatably attached to the loader frame (20) via loader swing pivots (61, 63); an attachment (70, 71) rotatably attached to the attachment end of the loading arm (50) and occupying an angular orientation relative to the loading arm (50); an implement tilt linkage (80) for adjusting the angular orientation of the attachment (70, 71) relative to the loading arm (50), the implement tilt linkage (80) including: a bell crank (83) rotatably mounted on the loader frame (20) independently of the loading arm (50) ) and has a driven end and driving end, a linear actuator (81) extending between the loader frame (20) and the driven end of the reversing lever (83) and the turning of the reversing lever (83) about a Umlenkhebeldrehzapfen (90 ) and an implement link (85) rotatably mounted to the driving end of the bell crank (83) and extending towards the attachment (70, 71) to adjust the angular orientation of the implement (70, 71) relative to the loading rocker (50 ). Ladergestänge nach Anspruch 1, dadurch gekennzeichnet, dass das Anbaugerätekippgestänge (80) eine Nivellierverbindungsglied (82) enthält, welches ein erstes, durch einen Nivellierverbindungsglieddrehzapfen (96) drehbar an dem Laderrahmen (20) befestigtes Ende sowie ein zweites Ende aufweist, wobei der Umlenkhebel (83) durch einen Umlenkhebeldrehzapfen (90), der sich zwischen dem angetriebenen Ende und dem antreibenden Ende das Umlenkhebels (83) befindet, drehbar an dem zweiten Ende des Nivellierverbindungsgliedes (82) befestigt ist.A loader linkage as claimed in claim 1, characterized in that the implement tilt linkage (80) includes a leveling link (82) having a first end rotatably attached to the loader frame (20) by a leveling link pivot (96) and a second end, the bell crank ( 83) is rotatably attached to the second end of the leveling link (82) by a bell crank pivot (90) located between the driven end and the driving end of the bell crank (83). Ladergestänge nach Anspruch 2, dadurch gekennzeichnet, dass das Nivellierverbindungsglied (82) als ein einziges Y-Verbindungsglied ausgebildet ist.Loader linkage according to claim 2, characterized in that the leveling link (82) is formed as a single Y-link. Ladergestänge nach einem der vorstehenden Ansprüche, gekennzeichnet durch ein Führungsverbindungsglied (84), welches sich zwischen dem mittleren Bereich der Ladeschwinge (50) und dem Anbaugeräteverbindungsglied (85) erstreckt.A loader linkage as claimed in any one of the preceding claims, characterized by a guide link (84) extending between the middle portion of the loader arm (50) and the implement link (85). Ladergestänge nach einem der vorstehenden Ansprüche, gekennzeichnet durch, dass die Ladeschwinge (50) einen rechten und einen linken Arm (50a, 50b) aufweist, die miteinander durch ein querverlaufendes Führungsrohr (52) verbunden sind.A loader linkage as claimed in any one of the preceding claims, characterized in that the loader arm (50) has right and left arms (50a, 50b) connected together by a transverse guide tube (52). Ladergestänge nach Anspruch 5, dadurch gekennzeichnet, dass das Führungsrohr (52) mit einer Halterung (54) versehen ist, durch welche das Führungsverbindungsglied (84) drehbar an der Ladeschwinge (50) befestigt ist.A loader linkage as claimed in claim 5, characterized in that the guide tube (52) is provided with a support (54) by which the guide link (84) is rotatably attached to the loading arm (50). Ladergestänge nach einem der vorstehenden Ansprüche, gekennzeichnet durch, dass ein Nivellierverbindungsglieddrehzapfen (96) oberhalb und hinter dem Ladeschwingendrehzapfen (61, 63) angeordnet ist.Loader linkage according to one of the preceding claims, characterized in that a leveling link pivot (96) is arranged above and behind the loading swing pivot (61, 63). Ladergestänge nach einem der vorstehenden Ansprüche, gekennzeichnet durch, dass ein Kippzylinderladerdrehzapfen (97) unterhalb und hinter dem Ladeschwingendrehzapfen (61, 63) angeordnet ist.Loader linkage according to one of the preceding claims, characterized in that a Kippzylinderladerdrehzapfen (97) below and behind the loading swing pivot (61, 63) is arranged. Ladergestänge nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, dass sich vom Laderrahmen (20) aus ein Mast (21) nach oben erstreckt und dass das erste Ende des Nivellierverbindungsgliedes (82) drehbar an dem Mast (21) befestigt ist.A loader linkage according to any one of claims 2 to 8, characterized in that a mast (21) extends upwardly from the loader frame (20) and that the first end of the leveling link (82) is rotatably mounted on the mast (21). Arbeitsfahrzeug mit einem Rahmen (20, 30) und mit den Rahmen tragenden und diesen über dem Untergrund fortbewegenden Antriebsmitteln (22, 32), gekennzeichnet durch ein Ladergestänge nach einem der vorstehenden Ansprüche.Work vehicle having a frame (20, 30) and drive means (22, 32) carrying the frames and moving them over the ground, characterized by a loader linkage according to one of the preceding claims.
EP04103994A 2003-08-26 2004-08-20 Loader-linkage and work vehicle Not-in-force EP1510624B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US648107 2003-08-26
US10/648,107 US6957705B2 (en) 2003-08-26 2003-08-26 Loader linkage

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EP1510624A2 true EP1510624A2 (en) 2005-03-02
EP1510624A3 EP1510624A3 (en) 2007-03-21
EP1510624B1 EP1510624B1 (en) 2008-08-20

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EP (1) EP1510624B1 (en)
JP (1) JP4117273B2 (en)
AT (1) ATE405708T1 (en)
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JP4235186B2 (en) * 2005-03-18 2009-03-11 ヤンマー株式会社 Loading device for work vehicle
JP4888739B2 (en) * 2006-11-24 2012-02-29 株式会社小松製作所 Wheel loader
US8186474B2 (en) * 2006-12-08 2012-05-29 Komatsu Ltd. Wheel loader
US8689898B2 (en) * 2010-01-09 2014-04-08 Brian Anthony Benesch Removable loader for all-terrain and utility-terrain vehicles
DE102010051663A1 (en) * 2010-11-17 2012-05-24 Liebherr-Hydraulikbagger Gmbh implement
US20140165355A1 (en) * 2012-12-18 2014-06-19 Smith Truck Crane & Equipment, Inc. Jig manipulator
US9410304B2 (en) 2014-04-28 2016-08-09 Cnh Industrial America Llc Lift assembly for a work vehicle
CN108301448B (en) * 2018-01-26 2019-08-20 广西柳工机械股份有限公司 Working device of loader

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JP2005068993A (en) 2005-03-17
US6957705B2 (en) 2005-10-25
JP4117273B2 (en) 2008-07-16
EP1510624B1 (en) 2008-08-20
US20050045351A1 (en) 2005-03-03
EP1510624A3 (en) 2007-03-21
ATE405708T1 (en) 2008-09-15
DE502004007875D1 (en) 2008-10-02

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