EP1325196B1 - Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle - Google Patents
Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle Download PDFInfo
- Publication number
- EP1325196B1 EP1325196B1 EP01986733A EP01986733A EP1325196B1 EP 1325196 B1 EP1325196 B1 EP 1325196B1 EP 01986733 A EP01986733 A EP 01986733A EP 01986733 A EP01986733 A EP 01986733A EP 1325196 B1 EP1325196 B1 EP 1325196B1
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- EP
- European Patent Office
- Prior art keywords
- gripper
- hydraulic
- drive
- grippers
- excavator
- 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.)
- Expired - Lifetime
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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
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3618—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with two separating hooks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—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
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
Definitions
- a quick-change device is to be attached to an excavator boom Excavator bucket known (EP-A-0058058), in which on the one hand a gripper is present, which can be pressed against a correspondingly formed bar.
- a hook-like part which one towards a hydraulic Drive facing opening with one-sided oblique boundary surface has an am Piston of the hydraulic drive arranged clamping shoe has a rectified oblique boundary surface, so that by the interaction of the two oblique Limiting surfaces can be done a lock and a bracing.
- Movable suspension of the cylinder of the hydraulic drive is absolutely necessary.
- the invention has now set itself the task of an arrangement of the aforementioned To create type, which allows a quick and easy change of attachments and in which especially the introduction of force and thus the power transmission between boom or vehicle and the attachment can be optimized.
- this is achieved by providing a guide for this gripper and formed by pairs formed on both sides plates, which are parallel to each other and are oriented parallel to the axial direction of the drive, and that the insertion openings are designed so that forces of the attachment in the axial direction against the closing direction of the drive are introduced substantially into the insertion openings.
- the inventive arrangement ensures that the power transmission between the mounting bar of the boom or the vehicle and the attachment directly on the Bolt and the gripper can be done without the hydraulic or pneumatic drive must absorb high forces.
- the hydraulic or pneumatic drive only has to hold the two grippers at an appropriate distance relative to each other. These Clamping force goes directly into the center of the drive and thus to the center of the piston and also the cylinder. Since there is only one straight movable gripper and all displaceable and force-absorbing parts with their central axes at least approximately lie in a common plane, is an optimal force application and transmission possible.
- a particular embodiment provides that of a gripper part of a construction element forming mounting web is, wherein at an inserted crosspiece of the cylinder the hydraulic or pneumatic drive is firmly screwed. It is with it a simple, yet accurate production and installation possible without subsequent Adjustments are required. There are therefore no dowel pins or bearing eyes to be used for the drive.
- the fixed gripper of the two spaced apart formed facing plates which with corresponding insertion are provided for positive attachment to the retaining bolt.
- These side plates cause not only a special stability of the attachment detecting crosspiece, but it is created by a construction element, which is easy to apply allows for the attachments and optimum power transmission between boom or vehicle and the attachment.
- an excavator boom with an attachable is based on the drawings Excavator bucket explained.
- the arrangement according to the invention can be used everywhere, where any attachments, such as blades, shields, tools, load bearing elements, Grippers, driven elements and tools, etc. on another part, such as a Excavator boom, a vehicle, a machine tool, a municipal vehicle, etc. quickly attached or can be replaced quickly.
- a hydraulic drive although within the scope of the invention also pneumatic and possibly even electrical or mechanical drives can be used.
- the attachment 1 are two at a distance A. arranged parallel to each other retaining pin 4.5.
- These retaining bolts are 4.5 of am Excavator boom 3 arranged, hydraulically relative to each other adjustable grippers 6,7 detectable.
- the grippers 6, 7 have open insertion openings 8, 9 in directions facing away from one another for the retaining bolt 4.5 on.
- the longitudinal axis 10 of the hydraulic drive 11 for Adjusting the gripper 6,7, the central axes 12,13 of the retaining bolt 4,5 and the center axes 14,15 the insertion openings 8,9 on the grippers 6,7 are at least approximately in a plane 16.
- At least one gripper 6 is parallel to the axis of the drive 11 in a guide 17 rectilinear held displaceable.
- This guide 17 for a gripper 6 is in pairs on both sides provided plates 18,19 formed, these plates parallel to each other and parallel to Axial direction of the drive 11 are aligned.
- a gripper 7 is thus fixed and immovable on the mounting bar 23 of the excavator boom. 3 arranged and the cylinder 20 of the hydraulic or pneumatic drive 11 is fixed with this mounting bar 23 and thus connected to this gripper 7.
- the adjustable gripper 6 is is fixedly connected to the piston 21 of the hydraulic or pneumatic drive 11, wherein the guide 17 is formed for this gripper 6 of both sides arranged in pairs plates 18,19 is, which are aligned parallel to each other and parallel to the axial direction of the drive 11.
- the one gripper 7 is part of a structural element forming a mounting bar 24, wherein on an inserted transverse web 25 of the cylinder 21 of the hydraulic or pneumatic Drive 11 is firmly screwed.
- the fixed gripper 7 is spaced from the two by a distance aligned plates 18,19 with corresponding insertion 9 for form-fitting attachment to the retaining bolt 5 is formed.
- arcuate cutouts (26) for resting on the other retaining bolt (4) is formed.
- the hydraulic or pneumatic drive 11 is between the two parallel to each other aligned plates 18, 19 arranged.
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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)
- Load-Engaging Elements For Cranes (AREA)
- Operation Control Of Excavators (AREA)
- Crushing And Grinding (AREA)
- Soil Working Implements (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
Abstract
Description
Anordnung zum auswechselbaren Befestigen eines Anbauteiles, z.B. einer Baggerschaufel, an einem Baggerausleger oder einem Fahrzeug, wobei das Anbauteil zwei mit Abstand parallel zueinander ausgerichtete Haltebolzen und die Anordnung einen Montagesteg, der mit dem Baggerausleger verbindbar ist, umfasst; wobei die Haltebolzen des Anbauteils von Greifern der Anordnung erfassbar sind, die über einen hydraulisch oder pneumatisch wirkenden Antrieb relativ zueinander verstellbar sind, wobei die Greifer in voneinander abgewandten Richtungen offene Einführöffnungen für die Haltebolzen aufweisen und wobei die Längsachse des hydraulischen oder pneumatischen Antriebes zum Verstellen der Greifer, die Mittelachse der Haltebolzen und die Mittelachse der Einführöffnungen an den Greifern im wesentlichen in einer Ebene liegen, wobei ein Greifer fest und verschiebbar am Montagesteg angeordnet ist und der Zylinder des hydraulischen oder pneumatischen Antriebes fest mit diesem Montagesteg und somit mit diesem Greifer verbunden ist.Arrangement for interchangeable attachment of an attachment, e.g. an excavator bucket, on an excavator boom or a vehicle, with the attachment part two spaced apart mutually aligned retaining bolts and the arrangement of a mounting bar, with the excavator boom is connectable comprises; the retaining bolts of the attachment of grippers the arrangement can be detected, via a hydraulic or pneumatic acting Drive are adjustable relative to each other, the grippers facing away from each other Directions have open insertion openings for the retaining bolts and wherein the longitudinal axis the hydraulic or pneumatic drive for adjusting the gripper, the central axis the retaining bolt and the central axis of the insertion openings on the grippers substantially lie in a plane, with a gripper firmly and slidably on the mounting bar is arranged and the cylinder of the hydraulic or pneumatic drive firmly this mounting bar and thus connected to this gripper.
Eine solche Anordnung, die aus der WO 93/01366 bekannt ist, ist bei allen an einen Baggerausleger oder an ein Fahrzeug ankuppelbaren Anbauteilen, wie z.B. Baggerschaufeln, Baggerschitdern, Schneeräumschildern, Werkzeugen usw. sinnvoll einsetzbar. Im Bereich der Anordnung zum auswechselbaren Befestigen des Anbauteiles entstehen relativ hohe Kräfte, die von dieser Anordnung übemommen werden müssen. Mit einer besonderen Führung für den Greifer und einer Optimierung der Kraftübertragung zwischen Ausleger bzw. Fahrzeug und dem Anbauteil befasst sich die WO 93101 366 nicht. Hingegen zeigt die US-A-4 881 867 eine Führung eines verschiebbaren Greifers, die Kräfte senkrecht zur Verschieberichtung aufnimmt.Such an arrangement, which is known from WO 93/01366, is at all to an excavator boom or attachable to a vehicle attachments, such. Excavator buckets, dredging, Snow plow signs, tools, etc. can be usefully used. Around Arrangement for interchangeable attachment of the attachment arise relatively high forces, which must be taken over by this arrangement. With a special guide for the gripper and an optimization of the power transmission between boom and vehicle and the attachment, the WO 93101366 is not concerned. On the other hand, US-A-4,881,867 shows a guide of a movable gripper, the forces perpendicular to the direction of displacement receives.
Eine weitere bekannte Vorrichtung zum auswechselbaren Befestigen eines werkzeugartigen Anbauteiles am vorderen Ende eines Baggerstiels (EP-A-0625613) sieht vor, dass die Einführöffnungen von zwei Greifern um ca. 90° versetzt zueinander ausgerichtet sind. Nach dem Einfädeln des einen Greifers in den einen Haltebolzen wird die ganze Anordnung um diesen Haltebolzen verschwenkt, bis der andere Greifer mit der quer dazu liegenden Einführöffnung den anderen Haltebolzen erfasst Mittels eines hydraulisch verschiebbaren Verriegelungselementes kann nun die Einführöffnung des zweiten Greifers versperrt werden. Die ganzen Kräfte wirken sich auf das Verriegelungselement aus. Another known device for interchangeably attaching a tool-like Attachment at the front end of a bagger handle (EP-A-0625613) provides that the insertion by two grippers offset by approximately 90 ° to each other. To the threading of a gripper in a retaining bolt, the whole arrangement to pivoted this retaining pin until the other gripper with the transverse thereto insertion the other retaining bolt detected by means of a hydraulically displaceable locking element Now the insertion of the second gripper can be blocked. The whole forces affect the locking element.
Eine andere bekannte Werkzeugwechselvorrichtung (WO97/28314) für Hydraufikbagger sieht einen feststehenden und einen verschwenkbaren Greifer vor. Auch hier ergibt sich auf den verschwenkbaren Greifer ein großes Drehmoment, welches insbesondere beim Baggerbetrieb noch gesteigert wird.Another known tool changing device (WO97 / 28314) for hydraulic excavators provides a fixed and a pivotable gripper. Here, too, arises the pivotable gripper a large torque, which in particular during excavator operation is still increased.
Weiter ist eine Anordnung bei einem Bagger bekannt (WO88/02421), bei der einer der Greifer zweiteilig ausgeführt ist und daher von einem feststehenden Anschlag und von einem verschiebbaren, über eine seitlich versetzt zu den beiden Greifern angeordnete Hydraulikeinheit verstellbares Verriegelungsglied gebildet ist. Die Hydraulikeinheit aus Zylinder und Kolben muß beidendig über Bolzen verdrehbar gefagert sein, da diese beim Verschieben des Verriegelungsgliedes eine Verschwenkbewegung ausführen muss.Next, an arrangement in an excavator is known (WO88 / 02421), in which one of the gripper is made of two parts and therefore of a fixed stop and a displaceable, via a laterally offset to the two grippers arranged hydraulic unit adjustable locking member is formed. The hydraulic unit of cylinder and Piston must be mounted at both ends rotatable by bolts, as they move when moving of the locking member must perform a pivoting movement.
Ferner ist eine Schnellwechselvorrichtung für eine an einem Baggerausleger anzubringende Baggerschaufel bekannt (EP-A-0058058), bei der einerseits ein Greifer vorhanden ist, welcher an eine korrespondierend ausgebildete Leiste angepresst werden kann. Andererseits ist am Ausleger ein hakenartiger Teil angeordnet, welcher eine in Richtung zu einem hydraulischen Antrieb gewandte Öffnung mit einseitig schräger Begrenzungsfläche aufweist Ein am Kolben des hydraulischen Antriebes angeordneter Klemmschuh weist eine gleichgerichtete schräge Begrenzungsfläche auf, so dass durch das Zusammenwirken der beiden schrägen Begrenzungsflächen eine Verriegelung und ein Verspannen erfolgen kann. Auch hier ist eine bewegliche Aufhängung des Zylinders des hydraulischen Antriebes unbedingt erforderlich.Furthermore, a quick-change device is to be attached to an excavator boom Excavator bucket known (EP-A-0058058), in which on the one hand a gripper is present, which can be pressed against a correspondingly formed bar. On the other hand arranged on the boom a hook-like part, which one towards a hydraulic Drive facing opening with one-sided oblique boundary surface has an am Piston of the hydraulic drive arranged clamping shoe has a rectified oblique boundary surface, so that by the interaction of the two oblique Limiting surfaces can be done a lock and a bracing. Here is one too Movable suspension of the cylinder of the hydraulic drive is absolutely necessary.
In einer weiteren bekannten Kupplungsvorrichtung (EP-A-0468771) benötigt man immer zwei Kupplungspaare, von denen ein Greiferelement feststehend und das andere Greiferelement von einem hydraulischen Antrieb verschiebbar gehalten ist. Die beiden Kupplungspaaren zugeordneten verschiebbaren Greiferelemente sind über ein Verbindungselement miteinander verbunden, um sie gleichzeitig vom hydraulischen Antrieb betätigen zu können. Eine solche Konstruktion ist aufwendig und ist wegen des erforderlichen langen Verbindungsbügels wohl auch kaum den auftretenden Kräften gewachsen.In another known coupling device (EP-A-0468771) is always required two pairs of couplings, one of which is a gripper element fixed and the other gripper element is slidably held by a hydraulic drive. The two coupling pairs associated displaceable gripper elements are via a connecting element connected to each other simultaneously to operate from the hydraulic drive can. Such a construction is expensive and is because of the required long Verbindungsbügels probably hardly grown to the forces occurring.
Eine weitere bekannte Schnellwechselanordnung (US 5.465.513) der eingangs genannten Art sieht zwischen einem feststehenden und einem verschiebbaren Greifer eine aus Kolben und Zylinder bestehende Hydraulikeinheit vor, wobei diese Einheit in üblicher Weise über Achsbolzen mit den Greifern verbunden ist. Dadurch ergeben sich in verschiedenste Richtungen wirkende Kraftkomponenten und ferner ist die Herstellung, die Montage und er raue Baustellenbetrieb für eine solche Ausgestaltung nachteilig. Another known quick-change arrangement (US 5,465,513) of the aforementioned Kind sees between a fixed and a movable gripper one from piston and cylinder existing hydraulic unit, this unit in the usual way over Axle bolt is connected to the grippers. This results in different directions acting force components and also the production, assembly and he rough Construction site operation for such a configuration disadvantageous.
Die Erfindung hat sich nun zur Aufgabe gestellt, eine Anordnung der eingangs genannten Art zu schaffen, welche ein schnelles und einfaches Wechseln von Anbauteilen ermöglicht und bei welcher vor allem die Krafteinleitung und somit die Kraftübertragung zwischen Ausleger bzw. Fahrzeug und dem Anbauteil optimiert werden kann.The invention has now set itself the task of an arrangement of the aforementioned To create type, which allows a quick and easy change of attachments and in which especially the introduction of force and thus the power transmission between boom or vehicle and the attachment can be optimized.
Erfindungsgemäß gelingt dies dadurch, dass eine Führung für diesen Greifer vorgesehen und von beidseitig paarweise ausgebildeten Platten gebildet ist, welche parallel zueinander und parallel zur Achsrichtung des Antriebes ausgerichtet sind, und dass die Einführöffnungen so ausgeführt sind, dass Kräfte des Anbauteiles in Achsrichtung entgegen der Schließrichtung des Antriebes im wesentlichen in die Einführöffnungen eingeleitet werden.According to the invention, this is achieved by providing a guide for this gripper and formed by pairs formed on both sides plates, which are parallel to each other and are oriented parallel to the axial direction of the drive, and that the insertion openings are designed so that forces of the attachment in the axial direction against the closing direction of the drive are introduced substantially into the insertion openings.
Durch die erfindungsgemäße Anordnung wird erreicht, dass die Kraftübertragung zwischen dem Montagesteg des Auslegers bzw. des Fahrzeuges und dem Anbauteil direkt über die Bolzen und die Greifer erfolgen kann, ohne dass der hydraulische oder pneumatische Antrieb hohe Kräfte aufnehmen muss. Der hydraulische oder pneumatische Antrieb muss lediglich die beiden Greifer in entsprechendem Abstand relativ zueinander halten. Diese Spannkraft geht direkt ins Zentrum des Antriebes und somit auf das Zentrum des Kolbens und auch des Zylinders. Da nur ein geradlinig verschiebbarer Greifer vorhanden ist und alle verschiebbaren und Kräfte aufnehmenden Teile mit ihren Mittelachsen zumindest annähernd in einer gemeinsamen Ebene liegen, ist eine optimale Krafteinleitung und -übertragung möglich. Auf den Antrieb selbst entstehen praktisch keine Querkräfte oder ein Drehmoment, da die Teile des hydraulischen oder pneumatischen Antriebes fest mit den Greifern verbunden sind, so dass auch in konstruktiv optimaler Weise eine starre Verbindung zwischen den Elementen des hydraulischen oder pneumatischen Antriebes mit den Greifern möglich ist.The inventive arrangement ensures that the power transmission between the mounting bar of the boom or the vehicle and the attachment directly on the Bolt and the gripper can be done without the hydraulic or pneumatic drive must absorb high forces. The hydraulic or pneumatic drive only has to hold the two grippers at an appropriate distance relative to each other. These Clamping force goes directly into the center of the drive and thus to the center of the piston and also the cylinder. Since there is only one straight movable gripper and all displaceable and force-absorbing parts with their central axes at least approximately lie in a common plane, is an optimal force application and transmission possible. On the drive itself virtually no lateral forces or a Torque, as the parts of the hydraulic or pneumatic drive firmly with the Grippers are connected, so that in a structurally optimal way a rigid connection between the elements of the hydraulic or pneumatic drive with the Grippers is possible.
Durch die optimale Ausgestaltung der Führung für den verschiebbaren Greifer wird in konstruktiver Hinsicht die Möglichkeit der optimalen Kraftübertragung zusätzlich ergänzt. Gerade der in der Führung verschiebbare Greifer kann über ein Drehmoment entsprechend belastet werden, wobei durch diese spezielle Führung keine Kräfte auf den hydraulischen oder pneumatischen Antrieb übertragen werden können. Gerade dadurch ist auch die konstruktiv einmalige Möglichkeit geschaffen worden, die Teile des hydraulischen oder pneumatischen Antriebes fest mit den Greifern zu verbinden. Es können sich nämlich dadurch auf die Teile des Antriebes keine Querkräfte oder Biegemomente auswirken.Due to the optimal design of the guide for the movable gripper is in constructive In addition, the possibility of optimal power transmission additionally complements. Just the movable gripper in the guide can be loaded accordingly via a torque be, whereby by this special guidance no forces on the hydraulic or pneumatic drive can be transmitted. This is precisely what makes it constructive unique opportunity has been created, the parts of the hydraulic or pneumatic Firmly connect drive with the grippers. It can be because of it on the parts of the drive no lateral forces or bending moments affect.
Es ist also eine sehr einfache Konstruktion und auch eine einfache Befestigung des Antriebes bzw, dessen Teilen möglich, da auf den Antrieb kein Drehmoment, sondern nur in Achsrichtung wirkende Kräfte - und hier nur Kräfte, die für die Halterung der Greifer in der Einsatzstellung benötigt werden - ausgeübt werden.It is therefore a very simple construction and also a simple attachment of the drive or, whose parts possible because no torque on the drive, but only in Axial forces - and here only forces required for holding the gripper in the Employment position are needed - be exercised.
Eine besondere Ausgestaltung sieht vor, dass der eine Greifer Teil eines ein Konstruktionselement bildenden Montagesteges ist, wobei an einem eingesetzten Quersteg der Zylinder des hydraulischen oder pneumatischen Antriebes fest verschraubt ist. Es ist damit eine einfache, jedoch passgenaue Herstellung und Montage möglich, ohne dass nachträgliche Verstellungen erforderlich sind. Es sind daher auch keine Passbolzen oder Lageraugen für den Antrieb einzusetzen.A particular embodiment provides that of a gripper part of a construction element forming mounting web is, wherein at an inserted crosspiece of the cylinder the hydraulic or pneumatic drive is firmly screwed. It is with it a simple, yet accurate production and installation possible without subsequent Adjustments are required. There are therefore no dowel pins or bearing eyes to be used for the drive.
Ferner ist es vorteilhaft, wenn der feststehende Greifer von den zwei mit Abstand parallel zueinander ausgerichteten Platten gebildet ist, welche mit entsprechenden Einführöffnungen zum formschlüssigen Ansetzen am Haltebolzen versehen sind. Diese seitlichen Platten bewirken nicht nur eine besondere Stabilität des den Anbauteil erfassenden Quersteges, sondern es wird dadurch ein Konstruktionselement geschaffen, welches ein einfaches Ansetzen an den Anbauteilen ermöglicht und eine optimale Kraftübertragung zwischen Ausleger oder Fahrzeug und dem Anbauteil.Further, it is advantageous if the fixed gripper of the two spaced apart formed facing plates, which with corresponding insertion are provided for positive attachment to the retaining bolt. These side plates cause not only a special stability of the attachment detecting crosspiece, but it is created by a construction element, which is easy to apply allows for the attachments and optimum power transmission between boom or vehicle and the attachment.
Weiter wird vorgeschlagen, dass an den den Einführöffnungen gegenüber liegenden Enden der Platten kreisbogenförmige Ausschnitte zur Auflage auf dem anderen Haltebolzen ausgebildet sind. Es ist somit schon beim Heranfahren des Baggerauslegers oder des Fahrzeuges an den Anbauteil eine optimale Anlage möglich geworden. Der Quersteg sitzt also bereits in der richtigen Stellung gegenüber dem Anbauteil, bevor der hydraulische oder pneumatische Antrieb aktiviert wird. Dieser bewirkt dann praktisch nur noch eine entsprechende Verriegelung dieser bereits eingestellten Lage.It is further proposed that at the insertion openings opposite ends the plates arcuate cutouts designed to rest on the other retaining bolts are. It is thus already when approaching the excavator boom or the vehicle An optimal system has become possible on the attachment. The crossbar is sitting so already in the correct position relative to the attachment before the hydraulic or pneumatic drive is activated. This then practically only causes a corresponding Locking of this already set position.
Eine vorteilhafte Maßnahme ergibt sich ferner dadurch, dass der hydraulische oder pneumatische Antrieb zwischen den beiden parallel zueinander ausgerichteten Platten angeordnet ist. Die Platten decken somit beidseitig den hydraulischen oder pneumatischen Antrieb ab, so dass dieser weder vor dem Zusammenfügen mit dem Anbauteil noch nach dem gegenseitigen Kuppeln dem rauhen Baustellenbetrieb ausgesetzt ist. Es ist also kaum möglich, das bei der erfindungsgemäßen Konstruktion noch verbleibende einzige sensible Teil, nämlich die Kolbenstange, zu beschädigen.An advantageous measure also results from the fact that the hydraulic or pneumatic Drive between the two parallel plates arranged is. The plates thus cover the hydraulic or pneumatic drive on both sides so that this neither before joining with the attachment nor after the mutual Domes exposed to rough construction site operation. So it's hardly possible the only remaining sensitive in the construction according to the invention the only sensitive part, namely the piston rod, to damage.
Weiter ergibt sich eine einfache konstruktive Variante dadurch, dass eine mit dem Kolben des hydraulischen oder pneumatischen Antriebes verbundene Kolbenstange an ihrem freien Ende als Gewindebolzen ausgeführt ist und in eine Gewindebohrung an der Rückseite des Greifers eingedreht ist. Es ist also auch eine einfach Konstruktion und Montage der gesamten Teile des Antriebes möglich geworden, weil eben ein Greifer als Teil der Platten ausgebildet ist, der Zylinder des Antriebes fest mit diesem Greifer verbunden ist und der zweite Greifer an diesen Platten wiederum verschiebbar geführt istNext results in a simple structural variant in that one with the piston the hydraulic or pneumatic drive connected to its free piston rod End is designed as a threaded bolt and into a threaded hole on the back of the gripper is screwed. It is also a simple design and installation of the whole Parts of the drive become possible because just a gripper as part of the plates is formed, the cylinder of the drive is firmly connected to this gripper and the second gripper is in turn guided displaceably on these plates
Eine vorteilhafte konstruktive Maßnahme wird auch darin gesehen, dass in einer u.a. den Zylinder des hydraulischen oder pneumatischen Antriebes bildenden Block alle Leitungen und entsperrbare Rückschlagventile integriert sind, wobei nach außen hin nur zwei Anschlusselemente für die Druckleitungen vorgesehen sind. Durch diese konstruktiven Maßnahmen können alle im rauhen Baustellenbetrieb gefährdeten Teile der Hydraulikeinheit bzw. der Pneumatikeinheit innerhalb eines Blockes untergebracht und damit vor mechanischen Beschädigungen geschützt werden. Da nur ein relativ kurzer Weg für die Verriegelung zwischen Greifern und Haltebolzen notwendig ist und der Zylinder des Antriebes nicht verschoben oder verschwenkt wird, ergeben sich selbst für die notwendigen Anschlusselemente und die Druckleitungen keine Probleme, da praktisch keine mechanische Einflussnahme möglich ist. An advantageous structural measure is also seen in that u.a. the Cylinder of hydraulic or pneumatic drive forming block all lines and unlockable check valves are integrated, with outwardly only two connection elements are provided for the pressure lines. Through these constructive measures All parts of the hydraulic unit which are at risk during rough construction site operation can be damaged or the pneumatic unit housed within a block and thus against mechanical Damage to be protected. Because only a relatively short way for the lock between grippers and retaining bolts is necessary and the cylinder of the drive is not moved or pivoted, arise even for the necessary connection elements and the pressure lines no problems, since virtually no mechanical interference is possible.
Weitere erfindungsgemäße Merkmale und besondere Vorteile werden in der nachstehenden
Beschreibung anhand der Zeichnungen noch näher erläutert. Es zeigen:
In der Beschreibung wird anhand der Zeichnungen ein Baggerausleger mit einer ansetzbaren Baggerschaufel erläutert. Die erfindungsgemäße Anordnung lässt sich natürlich überall dort einsetzen, wo irgendwelche Anbauteile, wie Schaufeln, Schilde, Werkzeuge, Lasttragelemente, Greifer, angetriebene Elemente und Werkzeuge usw. an einem anderen Teil, beispielsweise einem Baggerausleger, einem Fahrzeug, einer Werkzeugmaschine, einem Kommunalfahrzeug usw. schnell befestigt oder auch schnell ausgewechselt werden können. Ferner wird nachstehend nur von einem hydraulischen Antrieb gesprochen, obwohl im Rahmen der Erfindung auch pneumatische und gegebenenfalls sogar elektrische oder mechanische Antriebe einsetzbar sind.In the description, an excavator boom with an attachable is based on the drawings Excavator bucket explained. Of course, the arrangement according to the invention can be used everywhere, where any attachments, such as blades, shields, tools, load bearing elements, Grippers, driven elements and tools, etc. on another part, such as a Excavator boom, a vehicle, a machine tool, a municipal vehicle, etc. quickly attached or can be replaced quickly. Furthermore, only spoken by a hydraulic drive, although within the scope of the invention also pneumatic and possibly even electrical or mechanical drives can be used.
Es geht hier um eine Anordnung zum auswechselbaren Befestigen eines Anbauteiles 1, hier also
einer Baggerschaufel 2, an einem Baggerausleger 3. Am Anbauteil 1 sind zwei mit Abstand A
parallel zueinander ausgerichtete Haltebolzen 4,5 angeordnet. Diese Haltebolzen 4,5 sind von am
Baggerausleger 3 angeordneten, hydraulisch relativ zueinander verstellbaren Greifern 6,7 erfassbar.
Die Greifer 6,7 weisen in voneinander abgewandte Richtungen offene Einführöffnungen 8,9
für die Haltebolzen 4,5 auf.This is an arrangement for interchangeable attaching an attachment 1, here so
an
Eine Maßnahme liegt nun darin, dass die Längsachse 10 des hydraulischen Antriebes 11 zum
Verstellen der Greifer 6,7, die Mittelachsen 12,13 der Haltebolzen 4,5 und die Mittelachsen 14,15
der Einführöffnungen 8,9 an den Greifern 6,7 zumindest annähernd in einer Ebene 16 liegen.
Wenigstens ein Greifer 6 ist achsparallel zum Antrieb 11 in einer Führung 17 geradlinig
verschiebbar gehalten. Diese Führung 17 für den einen Greifer 6 ist in beidseitig paarweise
vorgesehenen Platten 18,19 ausgebildet, wobei diese Platten parallel zueinander und parallel zur
Achsrichtung des Antriebes 11 ausgerichtet sind.One measure lies in the fact that the
Ein Greifer 7 ist also fest und unverschiebbar am Montagesteg 23 des Baggerausleger 3
angeordnet und der Zylinder 20 des hydraulischen oder pneumatischen Antriebes 11 ist fest mit
diesem Montagesteg 23 und somit mit diesem Greifer 7 verbunden. Der verstellbare Greifer 6 ist
mit dem Kolben 21 des hydraulischen oder pneumatischen Antriebes 11 fest verbunden ist, wobei
die Führung 17 für diesen Greifer 6 von beidseitig paarweise angeordneten Platten 18,19 gebildet
ist, welche parallel zueinander und parallel zur Achsrichtung des Antriebes 11 ausgerichtet sind.A
Der eine Greifer 7 ist Teil eines ein Konstruktionselement bildenden Montagesteges 24 ist, wobei
an einem eingesetzten Quersteg 25 der Zylinder 21 des hydraulischen oder pneumatischen
Antriebes 11 fest verschraubt ist. Der feststehende Greifer 7 ist von den zwei mit Abstand parallel
zueinander ausgerichteten Platten 18,19 mit entsprechenden Einführöffnungen 9 zum
formschlüssigen Ansetzen am Haltebolzen 5 gebildet. An den den Einführöffnungen 9 gegenüber
liegenden Enden der Platten 18,19 sind kreisbogenförmige Ausschnitte (26) zur Auflage auf dem
anderen Haltebolzen (4) ausgebildet.The one
Der hydraulische oder pneumatische Antrieb 11 ist zwischen den beiden parallel zueinander
ausgerichteten Platten 18, 19 angeordnet.The hydraulic or
In konstruktiv einfacher Art und Weise ist dass eine mit dem Kolben 21 des hydraulischen oder
pneumatischen Antriebes 11 verbundene Kolbenstange 27 an ihrem freien Ende als
Gewindebolzen 29 ausgeführt und in eine Gewindebohrung 30 an der Rückseite des Greifers 6
eingedreht.In a structurally simple way is that one with the
Durch die besondere konstruktive Gestaltung mit einem den Zylinder 20 des hydraulischen Antriebes
11 bildenden Block können alle Leitungen und entsperrbare Rückschlagventile und auch
andere hydraulische Schalt- oder Regelelemente in diesen Block integriert werden, wobei nach
außen hin nur zwei Anschlusselemente 22 für die erforderlichen Druckleitungen vorgesehen sind.Due to the special structural design with a
Claims (7)
- Assembly for exchangeably fastening an add-on part, e.g. an excavator shovel, to an excavator boom or a vehicle, wherein the add-on part comprises two locking bolts (4, 5), which are oriented at a spacing parallel to one another, and the assembly comprises a mounting bar (23), which can be connected to the excavator boom, wherein the locking bolts (4, 5) of the add-on part can be gripped by grippers (6, 7) of the assembly which can be adjusted relative to one another via a hydraulically or pneumatically operating drive (11), wherein the grippers (6, 7) comprise insertion openings (8, 9), which are open in directions facing away from one another, for the locking bolts (4, 5), and wherein the longitudinal axis (10) of the hydraulic or pneumatic drive (11) for adjusting the grippers (6, 7), the centre axis (12, 13) of the locking bolts (4, 5) and the centre axis (14, 15) of the insertion openings (8, 9) at the grippers (6, 7) lie substantially in one plane (16), wherein one gripper (7) is disposed in a stationary and non-displaceable manner at the mounting bar (23), and the cylinder (20) of the hydraulic or pneumatic drive (11) is firmly connected to this mounting bar (23) and therefore to this gripper (7), and wherein the adjustable gripper (6) is firmly connected to the piston (21) of the hydraulic or pneumatic drive (11), characterised in that a guide (17) is provided for this gripper (6) and is formed by plates (18, 19) which are formed on both sides in pairs and are oriented parallel to one another and parallel to the axial direction of the drive (11), and that the insertion openings (8) are configured such that forces of the add-on part are introduced substantially into the insertion openings (8) in the axial direction against the closing direction of the drive (11).
- Assembly according to Claim 1, characterised in that one gripper (7) is part of a mounting bar (24) which forms a construction element, wherein the cylinder (20) of the hydraulic or pneumatic drive (11) is firmly screwed to an inserted crossbar (25).
- Assembly according to Claim 1, characterised in that the stationary gripper (7) is formed by two plates (18, 19) which are oriented at a spacing parallel to one another and are provided with corresponding insertion openings (9) for positive attachment to the locking bolt (5).
- Assembly according to Claim 3, characterised in that circular arc-shaped cutouts (26) for positioning on the other locking bolt (4) are formed at the ends of the plates (18, 19) lying opposite the insertion openings (9).
- Assembly according to Claims 3 and 4, characterised in that the hydraulic or pneumatic drive (11) is disposed between the two plates (18, 19) oriented parallel to one another.
- Assembly according to any one of Claims 1 to 5, characterised in that a piston rod (27), which is connected to the piston (21) of the hydraulic or pneumatic drive (11), is configured as a threaded bolt (29) at its free end and screwed into a threaded hole (30) at the rear of the gripper (6).
- Assembly according to any one of Claims 1 to 6, characterised in that all lines and pilot-controlled non-return valves are integrated in a block which forms, inter alia, the cylinder (20) of the hydraulic or pneumatic drive (11), wherein only two connection elements (22) for the pressure lines are provided towards the outside.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT01986733T ATE270732T1 (en) | 2000-10-10 | 2001-10-08 | ARRANGEMENT FOR INTERCHANGEABLY FASTENING AN ATTACHMENT PART, E.G. AN EXCAVATOR BUCKET, TO AN EXCAVATOR BOOM OR A VEHICLE |
| SI200130162T SI1325196T1 (en) | 2000-10-10 | 2001-10-08 | Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0172000A AT410333B (en) | 2000-10-10 | 2000-10-10 | ARRANGEMENT FOR DETACHABLE FASTENING OF AN ATTACHMENT, e.g. AN EXCAVATOR BUCKET, ON AN EXCAVATOR OR ON A VEHICLE |
| AT17202000 | 2000-10-10 | ||
| PCT/EP2001/011623 WO2002031271A2 (en) | 2000-10-10 | 2001-10-08 | Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1325196A2 EP1325196A2 (en) | 2003-07-09 |
| EP1325196B1 true EP1325196B1 (en) | 2004-07-07 |
Family
ID=3688731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01986733A Expired - Lifetime EP1325196B1 (en) | 2000-10-10 | 2001-10-08 | Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7004712B2 (en) |
| EP (1) | EP1325196B1 (en) |
| AT (2) | AT410333B (en) |
| AU (1) | AU2002218217A1 (en) |
| CA (1) | CA2425526C (en) |
| DE (1) | DE50102808D1 (en) |
| DK (1) | DK1325196T3 (en) |
| ES (1) | ES2223010T3 (en) |
| HR (1) | HRP20030270A2 (en) |
| HU (1) | HU225560B1 (en) |
| PT (1) | PT1325196E (en) |
| SI (1) | SI1325196T1 (en) |
| TR (1) | TR200402598T4 (en) |
| WO (1) | WO2002031271A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014060902A1 (en) | 2012-10-15 | 2014-04-24 | Catoma Kg | Quick-change mechanism |
| EP3699362A1 (en) | 2019-02-21 | 2020-08-26 | Geel Vermietungs- und Beteiligungs GmbH | Coupling system for reversibly coupling an implement to a working machine |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10335667B3 (en) * | 2003-08-04 | 2004-05-27 | Josef Martin Gmbh & Co. Kg | Releasable shovel mounting for excavator has mounting bolts on shovel engaged by fixed and sprung grippers on holder on end of boom |
| DE202004002541U1 (en) * | 2004-02-18 | 2005-07-07 | Liebherr-Hydraulikbagger Gmbh | Construction machine with quick coupling |
| SI22502A (en) * | 2007-03-13 | 2008-10-31 | JoĹľef BAJEC | Quick clamp for exchanging excavator tools |
| US7984575B2 (en) | 2007-07-05 | 2011-07-26 | Caterpillar Inc. | Quick coupler assembly |
| GB0720413D0 (en) * | 2007-10-18 | 2007-11-28 | Monaghan Conor | A Coupler |
| CH699404A1 (en) * | 2008-08-25 | 2010-02-26 | Josef Martin Gmbh & Co Kg | Energy coupling, and coupling with energy coupling. |
| AT507598B1 (en) | 2008-12-05 | 2012-03-15 | Wacker Neuson Linz Gmbh | DEVICE FOR REPLACEABLE TOOLS |
| CH700307A1 (en) * | 2009-01-23 | 2010-07-30 | Josef Martin Gmbh & Co Kg | Quick-coupler for e.g. excavator, has blocking element moved from one position to another position where clearance of opening is reduced by element and vice versa, where element is adjusted parallel to shifting direction of grip arms |
| CA2651295A1 (en) * | 2009-01-27 | 2010-07-27 | Nye Manufacturing Ltd. | Coupler device to connect bucket or tool to boom arm |
| US8974137B2 (en) | 2011-12-22 | 2015-03-10 | Caterpillar Inc. | Quick coupler |
| US8684623B2 (en) | 2012-05-30 | 2014-04-01 | Caterpillar Inc. | Tool coupler having anti-release mechanism |
| US8869437B2 (en) | 2012-05-30 | 2014-10-28 | Caterpillar Inc. | Quick coupler |
| US9217235B2 (en) | 2012-05-30 | 2015-12-22 | Caterpillar Inc. | Tool coupler system having multiple pressure sources |
| US9228314B2 (en) | 2013-05-08 | 2016-01-05 | Caterpillar Inc. | Quick coupler hydraulic control system |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ199611A (en) * | 1981-02-05 | 1984-09-28 | Maroochy Shire Council | Quick release and attachment assembly for construction equipment tools |
| JPS6393934A (en) | 1986-10-03 | 1988-04-25 | スチユア−ト．アレキサンダ−．エセツクス | Connection assembly for construction machine |
| JP2505381B2 (en) * | 1991-07-04 | 1996-06-05 | 株式会社ジャパニック | Attachment / detachment mechanism for construction machinery |
| DE69107719T2 (en) * | 1990-07-25 | 1995-06-29 | Japanic Corp | Tool coupling device of an earth-moving machine. |
| SE467742B (en) * | 1991-09-06 | 1992-09-07 | Sonerud John Teodor | DEVICE FOR QUICK CONNECTION OF A TOOL TO AN EXCAVATOR WITH CONNECTING TO A DRIVE SYSTEM |
| DE9307473U1 (en) * | 1993-05-21 | 1993-09-16 | Stahl- und Metallbau Winterhalter GmbH, 79111 Freiburg | Device for exchangeably attaching a tool-like attachment to the front end of an excavator arm of an excavator |
| NZ250811A (en) * | 1994-02-02 | 1997-06-24 | Bruce Archibald Short | Implement to excavator or tractor interlocking connector |
| DE29601727U1 (en) * | 1996-02-02 | 1996-08-01 | Nagler, Jürgen, 58313 Herdecke | Tool changing device for hydraulic excavators |
| LU88785A1 (en) * | 1996-07-03 | 1998-01-03 | Wurth Paul Sa | Method of manufacturing steel in an electric furnace with charging of liquid iron |
| DE29705609U1 (en) * | 1997-04-02 | 1997-07-24 | Leh, Karl Heinz Josef, 55765 Birkenfeld | Safety device for a quick coupling of a working attachment on tillage equipment |
| US6233852B1 (en) * | 1998-01-12 | 2001-05-22 | Pemberton, Inc. | Universal coupler for excavator buckets |
| DE19806057C2 (en) * | 1998-02-13 | 2002-11-28 | Franz Wimmer | Construction adapter |
| DE29810750U1 (en) * | 1998-06-16 | 1998-10-01 | Atlas Weyhausen GmbH, 27751 Delmenhorst | Quick change device |
| NZ519487A (en) * | 1999-05-15 | 2004-06-25 | Ward Attachments Ltd A | Connection apparatus |
| US6379075B1 (en) * | 2000-01-18 | 2002-04-30 | Gh Hensley Industries, Inc. | Quick coupler apparatus |
-
2000
- 2000-10-10 AT AT0172000A patent/AT410333B/en not_active IP Right Cessation
-
2001
- 2001-10-08 EP EP01986733A patent/EP1325196B1/en not_active Expired - Lifetime
- 2001-10-08 DE DE50102808T patent/DE50102808D1/en not_active Expired - Lifetime
- 2001-10-08 TR TR2004/02598T patent/TR200402598T4/en unknown
- 2001-10-08 AU AU2002218217A patent/AU2002218217A1/en not_active Abandoned
- 2001-10-08 HU HU0302381A patent/HU225560B1/en not_active IP Right Cessation
- 2001-10-08 ES ES01986733T patent/ES2223010T3/en not_active Expired - Lifetime
- 2001-10-08 PT PT01986733T patent/PT1325196E/en unknown
- 2001-10-08 DK DK01986733T patent/DK1325196T3/en active
- 2001-10-08 US US10/398,981 patent/US7004712B2/en not_active Expired - Lifetime
- 2001-10-08 WO PCT/EP2001/011623 patent/WO2002031271A2/en active IP Right Grant
- 2001-10-08 SI SI200130162T patent/SI1325196T1/en unknown
- 2001-10-08 CA CA002425526A patent/CA2425526C/en not_active Expired - Lifetime
- 2001-10-08 AT AT01986733T patent/ATE270732T1/en active
-
2003
- 2003-04-09 HR HR20030270A patent/HRP20030270A2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014060902A1 (en) | 2012-10-15 | 2014-04-24 | Catoma Kg | Quick-change mechanism |
| EP3699362A1 (en) | 2019-02-21 | 2020-08-26 | Geel Vermietungs- und Beteiligungs GmbH | Coupling system for reversibly coupling an implement to a working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DK1325196T3 (en) | 2004-11-15 |
| AT410333B (en) | 2003-03-25 |
| WO2002031271A2 (en) | 2002-04-18 |
| HRP20030270B1 (en) | 2007-01-31 |
| EP1325196A2 (en) | 2003-07-09 |
| DE50102808D1 (en) | 2004-08-12 |
| ATA17202000A (en) | 2002-08-15 |
| SI1325196T1 (en) | 2004-12-31 |
| ATE270732T1 (en) | 2004-07-15 |
| US7004712B2 (en) | 2006-02-28 |
| TR200402598T4 (en) | 2004-11-22 |
| HU225560B1 (en) | 2007-03-28 |
| HUP0302381A3 (en) | 2006-03-28 |
| HRP20030270A2 (en) | 2003-06-30 |
| US20040028515A1 (en) | 2004-02-12 |
| CA2425526A1 (en) | 2002-04-18 |
| AU2002218217A1 (en) | 2002-04-22 |
| WO2002031271A3 (en) | 2002-09-19 |
| ES2223010T3 (en) | 2005-02-16 |
| CA2425526C (en) | 2009-04-14 |
| HUP0302381A2 (en) | 2003-10-28 |
| PT1325196E (en) | 2004-11-30 |
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