EP2233642A1 - Quick coupler for construction machines - Google Patents
Quick coupler for construction machines Download PDFInfo
- Publication number
- EP2233642A1 EP2233642A1 EP10450017A EP10450017A EP2233642A1 EP 2233642 A1 EP2233642 A1 EP 2233642A1 EP 10450017 A EP10450017 A EP 10450017A EP 10450017 A EP10450017 A EP 10450017A EP 2233642 A1 EP2233642 A1 EP 2233642A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- coupling
- mounting plate
- cylinder
- block
- 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
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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
- E02F3/3627—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a longitudinal locking element
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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
- E02F3/3654—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with energy coupler, e.g. coupler for hydraulic or electric lines, to provide energy to drive(s) mounted on the tool
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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
- the invention relates to a device for attaching attachments to excavator arms, with a quick-change device and a mounting plate having the features of the introductory part of claim 1.
- Such devices which allow the attachment and change of attachments at the free end of an excavator boom, are known.
- the AT 002 087 U1 the WO 98/46835 A , the AT 413 117 B and the AT 008 080 U to get expelled.
- an attachment is to be defined on the excavator boom, which itself has a hydraulic drive, such as hydraulic hammers or slope spoons, it is necessary to connect the hydraulic lines leading to the hydraulic device on the attachment with the hydraulic lines coming from the excavator, after the attachment at the free End of the excavator boom has been attached using the quick-change device and the mounting plate, so that the operation and the use of the attachment can be controlled from the cab of the excavator.
- a device comprising a quick-change device and a mounting plate, in which when attaching an attachment at the free end of an excavator boom, the connecting leading to the attachment hydraulic lines is done automatically, is from the AT 008 623 U2 or the EP 1 840 276 A2 known.
- the block with the coupling plugs is led out of a plunger housing, wherein the hydraulic lines coming from the excavator are connected to the plunger housing.
- this is coupled with the bolts, which connect the quick-change device with the mounting plate (by the bars are advanced by a locking cylinder).
- the invention has for its object to provide a simpler construction of a device for attaching attachments to excavator jibs with a quick-change device and a mounting plate available.
- an automatic coupling of the at least one hydraulic line leading to the attachment is still provided.
- This hydraulic clutch is activated when fixing the attachment plate to the quick-change device connected to the excavator boom (at least one hydraulic clutch is closed). This ensures that when attaching the attachment with the aid of the device according to the invention, the at least one hydraulic drive (hydraulic cylinder) provided in the attachment is connected to at least one line for hydraulic medium leading from the excavator to the quick-change device without additional measures.
- the blocks are actuated by the hydraulic connections of hydraulic cylinders (usually on each side of the quick-change device) which are attached to the quick-change device.
- hydraulic cylinders usually on each side of the quick-change device
- This causes sealing problems in the from the AT 008 623 U2 known embodiment in which the hydraulic medium is passed over the plunger housing, away, since the at least one hydraulic line coming from the excavator, directly to the block with the hydraulic connections (coupling plug) leads, so the plunger provided in the known device are dispensable.
- the hydraulic clutch is actuated by hydraulic medium which acts on a locking cylinder or a bolt which is displaceable in the locking device.
- the hydraulic coupling has a block, which can be displaced on the quick-change device, which carries the coupling plug, and a block, which carries coupling sleeves, attached to the mounting plate.
- At least one guide pin is provided on one of the blocks and at least one guide hole for engagement of the guide pins is provided on the other of the blocks.
- a hydraulic clutch is arranged in the plane of symmetry of the device.
- a clutch cylinder is provided for actuating the hydraulic clutch.
- the coupling cylinder can be actuated after advancing the bolt by means of a locking cylinder.
- the clutch cylinder is actuated when exceeding a predetermined value of the pressure of the hydraulic medium in the locking cylinder.
- the hydraulic coupling has a block attached to the mounting plate with coupling sleeves.
- two blocks are provided on the longitudinal sides of the device, in particular the mounting plate.
- the block is arranged within a bolt receptacle fastened to the mounting plate.
- a 6/2 way valve is provided, which redirects the hydraulic circuit to a mounted on the mounting plate attachment after closing the hydraulic clutch.
- the bolt guide on the quick-change device and / or the bolt receptacle on the mounting plate has an uninterruptible opening.
- protective devices are provided, which are attachable via coupling plug of the hydraulic clutches.
- the protective devices are arranged on a mounting plate, and associated with the quick-change device attachment plate the coupling plugs are assigned to cover this.
- the apparatus 1 shown comprises a quick-change device 3 arranged at the free end of an excavator boom or the like (not shown) and a mounting plate 5 connected to an attachment such as a hydraulic breaker or a battering bucket (not shown).
- an attachment such as a hydraulic breaker or a battering bucket (not shown).
- a pressure medium cylinder preferably a hydraulic cylinder, provided and coupled with the bolts 7.
- the bolt 7 can by a bolt guide in their in Fig. 1 shown active position in which they engage in the latch receptacle 9 on the mounting plate 5 of the attachment, are moved and connect the Attachment safe with the quick-change device 3.
- Fig. 1 It can be seen that lead to the quick-change device 3 coming from the excavator hydraulic lines, which are connected to a block 21, are mounted on the coupling plug 23.
- the block 21 is mounted on the piston rod 19 of a hydraulic cylinder 17 mounted on the quick-change device 3.
- first of the latch 7 actuated locking cylinder 10 of the quick-change device 3 is acted upon by hydraulic medium to extend the latch 7 and the bolt 7 so that the mounting plate 5 of the implement is coupled to the quick-change device 3.
- hydraulic cylinders 17 are acted upon by hydraulic pressure via a pressure follower valve.
- the piston rods 19 of the hydraulic cylinders 17 extend and make the connection between the coupling plugs 23 fixed to the block 21 and coupling sleeves 29 arranged on a block 27 mounted on the mounting plate 5, so that the hydraulic couplings 20 are closed are.
- the block 27 with the coupling sleeves 29 is arranged on the mounting plate 5. From the coupling plug 23 carrying block 21 are in the exemplary embodiment of two guide pins 25 from which engage in closed hydraulic coupling 20 in guide holes in the coupling sleeves 29 bearing block 27.
- the block 27 with the coupling sleeves 29 is attached to the mounting plate 5.
- a guide pin 31 is provided.
- ports 33 are provided for coming from the excavator hydraulic lines.
- hydraulic coupling 40 is for the actuation of the hydraulic coupling 40 between the excavator to the quick-change device 3 leading hydraulic lines 41 and hydraulic lines 43 to the attachment, z. B. one Slope spoiler lead, a separate clutch cylinder 45 provided.
- first of the latch 7 actuated locking cylinder 10 of the quick-change device 3 is acted upon by hydraulic medium to extend the latch 7 and the bolt 7, so that the mounting plate 5 of the implement is coupled to the quick-change device 3.
- a predetermined pressure for example a pressure of 120 bar
- hydraulic pressure is applied to the clutch cylinder 45 via a pressure follower valve.
- the piston rod 47 of the clutch cylinder 45 extends and provides the connection between the coupling plugs 23, which are fixed to the piston rod 47 of the clutch cylinder via a block 49, and coupling sleeves 29, which are arranged on a, mounted on the mounting plate 5 block 51 ago ,
- the block 51 with the coupling sleeves 29 is arranged engaging in fixed to the quick-change device 3 mounting plate 5 in the bolt receptacle 9 on the mounting plate 5.
- From the coupling plug 23 carrying block 49 are in the exemplary embodiment of two guide pins 25 from which engage in closed hydraulic coupling 40 in guide holes 31 in which the coupling sleeves 29 bearing block 51.
- the block 51 with the coupling sleeves 29 is attached to the mounting plate 5.
- the device 1 is after closing the hydraulic clutch 40 in the embodiment of the device according to the Fig. 4 and 5 after closing the hydraulic clutch 40 under the action of the clutch cylinder 45 via a 6/2 way valve 55 which is electromagnetically controlled, the hydraulic circuit to the cylinder of the slope tray redirected.
- the device according to the invention 1 implements without their own hydraulic drive, as this is provided in hydraulic hammers or slope spoons, is used, it is provided that 23 are placed on the provided on the quick-change device 3 coupling connector protection elements.
- Such protective elements can be arranged on the attachment plate 3 where, in the exemplary embodiment shown, the blocks 27 and 51 are arranged with coupling sleeves 29.
- an embodiment of the device according to the invention can be described as follows: On a device 1 for connecting attachments with an excavator boom consisting of a mounted on the excavator boom quick-change device 3 and attached to the attachment mounting plate 5 is at least one coupling 20, 40 for connecting coming from the excavator hydraulic lines 15 with hydraulic lines 16 to a drive motor (Hydraulic cylinder) in the attachment.
- the at least one hydraulic clutch 20, 40 is actuated by a clutch cylinder 17, 45, after the locking cylinder 10 has advanced the latch 7 in its operative position.
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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)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Befestigen von Anbaugeräten an Baggerauslegern, mit einer Schnellwechselvorrichtung und einer Anbauplatte mit den Merkmalen des einleitenden Teils von Anspruch 1.The invention relates to a device for attaching attachments to excavator arms, with a quick-change device and a mounting plate having the features of the introductory part of
Derartige Vorrichtungen, die das Befestigen und das Wechseln von Anbaugeräten am freien Ende eines Baggerauslegers erlauben, sind bekannt. Beispielsweise kann hiezu auf die
Diese bekannten Vorrichtungen haben sich gut bewährt, da sie ein rasches Befestigen von Anbaugeräten (Löffel, Hydraulikhämmer und Ähnliches) an Baggerauslegern erlauben und den sicheren Sitz des Anbaugerätes am Baggerausleger gewährleisten.These known devices have been well proven, as they allow rapid attachment of attachments (spoons, hydraulic hammers and the like) to excavator jibs and ensure the secure fit of the attachment on the excavator boom.
Wenn am Baggerausleger ein Anbaugerät festzulegen ist, das selbst einen hydraulischen Antrieb aufweist, wie beispielsweise Hydraulikhämmer oder Böschungslöffel, ist es erforderlich, die Hydraulikleitungen, die zu der Hydraulikeinrichtung am Anbaugerät führen, mit den vom Bagger kommenden Hydraulikleitungen zu verbinden, nachdem das Anbaugerät am freien Ende des Baggerauslegers mit Hilfe der Schnellwechselvorrichtung und der Anbauplatte befestigt worden ist, damit der Betrieb und das Benützen des Anbaugerätes vom Führerstand des Baggers aus gesteuert werden kann.If an attachment is to be defined on the excavator boom, which itself has a hydraulic drive, such as hydraulic hammers or slope spoons, it is necessary to connect the hydraulic lines leading to the hydraulic device on the attachment with the hydraulic lines coming from the excavator, after the attachment at the free End of the excavator boom has been attached using the quick-change device and the mounting plate, so that the operation and the use of the attachment can be controlled from the cab of the excavator.
Eine Vorrichtung, umfassend eine Schnellwechselvorrichtung und eine Anbauplatte, bei welcher beim Befestigen eines Anbaugerätes am freien Ende eines Baggerauslegers das Verbinden der zum Anbaugerät führenden Hydraulikleitungen selbsttätig erfolgt, ist aus der
Die bekannte Vorrichtung hat sich gut bewährt, es ist jedoch manchmal problematisch, dass bei der bekannten Vorrichtung der Block mit den Kupplungssteckern aus einem Plungergehäuse herausgeführt wird, wobei an dem Plungergehäuse die vom Bagger kommenden Hydraulikleitungen angeschlossen sind. Zum Verstellen des Blocks mit den Kupplungsmuffen ist dieser mit den Riegeln, über welche die Schnellwechselvorrichtung mit der Anbauplatte verbunden wird (indem die Riegel von einem Verriegelungszylinder vorgeschoben werden), gekuppelt.The known device has been well proven, but it is sometimes problematic that in the known device, the block with the coupling plugs is led out of a plunger housing, wherein the hydraulic lines coming from the excavator are connected to the plunger housing. To adjust the block with the coupling sleeves, this is coupled with the bolts, which connect the quick-change device with the mounting plate (by the bars are advanced by a locking cylinder).
Der Erfindung liegt die Aufgabe zugrunde, eine einfachere Konstruktion einer Vorrichtung zum Befestigen von Anbaugeräten an Baggerauslegern mit einer Schnellwechselvorrichtung und einer Anbauplatte zur Verfügung zu stellen.The invention has for its object to provide a simpler construction of a device for attaching attachments to excavator jibs with a quick-change device and a mounting plate available.
Gelöst wird diese Aufgabe erfindungsgemäß mit einer Vorrichtung, welche die Merkmale von Anspruch 1 aufweist.This object is achieved according to the invention with a device having the features of
Bevorzugte und vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Preferred and advantageous embodiments of the invention are the subject of the dependent claims.
Bei der erfindungsgemäßen Vorrichtung zum Verbinden der am Baggerausleger befestigten Schnellwechselvorrichtung mit der mit dem Anbaugerät verbundenen Anbauplatte ist nach wie vor ein selbsttätiges Kuppeln der wenigstens einen zum Anbaugerät führenden Hydraulikleitung vorgesehen. Diese Hydraulikkupplung wird beim Festlegen der Anbauplatte an der mit dem Baggerausleger verbundenen Schnellwechselvorrichtung aktiviert (wenigstens eine Hydraulikkupplung wird geschlossen). So ist gewährleistet, dass beim Befestigen des Anbaugerätes mit Hilfe der erfindungsgemäßen Vorrichtung der wenigstens eine im Anbaugerät vorgesehene Hydraulikantrieb (Hydraulikzylinder) mit wenigstens einer vom Bagger zur Schnellwechselvorrichtung führenden Leitung für Hydraulikmedium ohne zusätzliche Maßnahme verbunden wird.In the device according to the invention for connecting the quick-change device attached to the excavator boom to the attachment plate connected to the attachment, an automatic coupling of the at least one hydraulic line leading to the attachment is still provided. This hydraulic clutch is activated when fixing the attachment plate to the quick-change device connected to the excavator boom (at least one hydraulic clutch is closed). This ensures that when attaching the attachment with the aid of the device according to the invention, the at least one hydraulic drive (hydraulic cylinder) provided in the attachment is connected to at least one line for hydraulic medium leading from the excavator to the quick-change device without additional measures.
Von Vorteil ist bei der Erfindung, dass die Blöcke mit den Hydraulikanschlüssen von Hydraulikzylindern (für gewöhnlich auf jeder Seite der Schnellwechselvorrichtung einer), die an der Schnellwechselvorrichtung befestigt sind, betätigt werden. Dadurch fallen Dichtungsprobleme bei der aus der
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass die Hydraulikkupplung durch Hydraulikmedium, das einen Verriegelungszylinder beaufschlagt, oder einen Riegel, der in der Verriegelungsvorrichtung verschiebbar ist, betätigt, betätigbar ist.In one embodiment of the invention it can be provided that the hydraulic clutch is actuated by hydraulic medium which acts on a locking cylinder or a bolt which is displaceable in the locking device.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass die Hydraulikkupplung einen an der Schnellwechselvorrichtung verschiebbaren Block, der Kupplungsstecker trägt, und einen an der Anbauplatte befestigten Block, der Kupplungsmuffen trägt, aufweist.In an embodiment of the invention, it may be provided that the hydraulic coupling has a block, which can be displaced on the quick-change device, which carries the coupling plug, and a block, which carries coupling sleeves, attached to the mounting plate.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass an einem der Blöcke wenigstens ein Führungsstift und am anderen der Blöcke wenigstens ein Führungsloch für den Eingriff der Führungsstifte vorgesehen ist.In one embodiment of the invention it can be provided that at least one guide pin is provided on one of the blocks and at least one guide hole for engagement of the guide pins is provided on the other of the blocks.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass an den beiden Längsseiten der Vorrichtung je eine Hydraulikkupplung vorgesehen ist.In one embodiment of the invention can be provided that is provided on the two longitudinal sides of the device depending on a hydraulic coupling.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass eine Hydraulikkupplung in der Symmetrieebene der Vorrichtung angeordnet ist.In one embodiment of the invention can be provided that a hydraulic clutch is arranged in the plane of symmetry of the device.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass zum Betätigen der Hydraulikkupplung ein Kupplungszylinder vorgesehen ist.In one embodiment of the invention can be provided that a clutch cylinder is provided for actuating the hydraulic clutch.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass der Kupplungszylinder nach dem Vorschieben der Riegel mit Hilfe eines Verriegelungszylinders betätigbar ist.In one embodiment of the invention it can be provided that the coupling cylinder can be actuated after advancing the bolt by means of a locking cylinder.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass der Kupplungszylinder beim Überschreiten eines vorgegebenen Wertes des Drucks des Hydraulikmediums im Verriegelungszylinder betätigbar ist.In one embodiment of the invention can be provided that the clutch cylinder is actuated when exceeding a predetermined value of the pressure of the hydraulic medium in the locking cylinder.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass mit dem Kupplungszylinder über dessen Kolbenstange ein Kupplungsstecker tragender Block der Kupplungsvorrichtung relativ zur Schnellwechselvorrichtung verschiebbar verbunden ist.In one embodiment of the invention can be provided that is connected to the clutch cylinder via the piston rod a coupling plug bearing block of the coupling device relative to the quick-change device slidably.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass die Hydraulikkupplung einen an der Anbauplatte befestigten Block mit Kupplungsmuffen aufweist.In one embodiment of the invention can be provided that the hydraulic coupling has a block attached to the mounting plate with coupling sleeves.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass zwei Blöcke an den Längsseiten der Vorrichtung, insbesondere der Anbauplatte vorgesehen sind.In one embodiment of the invention it can be provided that two blocks are provided on the longitudinal sides of the device, in particular the mounting plate.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass der Block innerhalb einer an der Anbauplatte befestigten Riegelaufnahme angeordnet ist.In an embodiment of the invention, it may be provided that the block is arranged within a bolt receptacle fastened to the mounting plate.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass ein 6/2 Wegeventil vorgesehen ist, das nach dem Schließen der Hydraulikkupplung den Hydraulikkreis zu einem an der Anbauplatte angeordneten Anbaugerät umleitet.In one embodiment of the invention can be provided that a 6/2 way valve is provided, which redirects the hydraulic circuit to a mounted on the mounting plate attachment after closing the hydraulic clutch.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass beim Lösen der Verbindung zwischen Anbauplatte und Schnellwechselvorrichtung über das 6/2 Wegeventil zunächst der Kupplungszylinder beaufschlagt wird, um die Hydraulikkupplung zu öffnen und dass der Verriegelungszylinder beim Überschreiten eines vorgegebenen Druckes im Hydraulikkreis zum Zurückziehen der Riegel mit Hydraulikmedium beaufschlagt ist.In one embodiment of the invention can be provided that when releasing the connection between mounting plate and quick-change device via the 6/2 way valve first of the clutch cylinder is acted to open the hydraulic clutch and that the locking cylinder when exceeding a predetermined pressure in the hydraulic circuit to retract the bolt is acted upon by hydraulic medium.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass die Riegelführung an der Schnellwechselvorrichtung und/oder die Riegelaufnahme an der Anbauplatte eine unterbrechungsfreie Öffnung aufweist.In one embodiment of the invention can be provided that the bolt guide on the quick-change device and / or the bolt receptacle on the mounting plate has an uninterruptible opening.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass Schutzvorrichtungen vorgesehen sind, die über Kupplungsstecker der Hydraulikkupplungen anbringbar sind.In one embodiment of the invention it can be provided that protective devices are provided, which are attachable via coupling plug of the hydraulic clutches.
In einer Ausführungsform der Erfindung kann vorgesehen sein, dass die Schutzvorrichtungen an einer Anbauplatte angeordnet sind, und bei an der Schnellwechselvorrichtung befestigter Anbauplatte den Kupplungssteckern diese abdeckend zugeordnet sind.In one embodiment of the invention can be provided that the protective devices are arranged on a mounting plate, and associated with the quick-change device attachment plate the coupling plugs are assigned to cover this.
Weitere Einzelheiten und Merkmale der Erfindung ergeben sich aus der nachstehenden Beschreibung bevorzugter Ausführungsbeispiele anhand der Zeichnungen.Further details and features of the invention will become apparent from the following description of preferred embodiments with reference to the drawings.
-
Fig. 1 eine erfindungsgemäße Vorrichtung mit Schnellwechselvorrichtung und Anbauplatte,Fig. 1 an inventive device with quick-change device and mounting plate, -
Fig. 2 eine Einzelheit der Vorrichtung ausFig. 1 (linke Seite) in vergrößertem Maßstab bei offener Hydraulikkupplung,Fig. 2 a detail of the deviceFig. 1 (left side) on an enlarged scale with the hydraulic clutch open, -
Fig. 3 eine Einzelheit ausFig. 1 (rechte Seite) bei geschlossener Hydraulikkupplung, bei welcher die Kupplungsstecker mit den Kupplungsmuffen verbunden sind,Fig. 3 a detailFig. 1 (right side) with closed hydraulic clutch, in which the coupling plug are connected to the coupling sleeves, -
Fig. 4 eine Einzelheit der Vorrichtung im Bereich einer weiteren Hydraulikkupplung undFig. 4 a detail of the device in the field of another hydraulic coupling and -
Fig. 5 die Einzelheit ausFig. 4 in anderer Ansicht.Fig. 5 the detailFig. 4 in another view.
Eine in
Zum Verstellen der Riegel 7, die beispielsweise in einem kastenartigen Aufnahmeraum der Schnellwechselvorrichtung 3 vorgesehen sind, ist als Verriegelungszylinder ein Druckmittelzylinder, vorzugsweise ein Hydraulikzylinder, vorgesehen und mit den Riegeln 7 gekuppelt. Durch Betätigen des Verriegelungszylinders 10 können die Riegel 7 durch eine Riegelführung in ihre in
Aus
Der Block 27 mit den Kupplungsmuffen 29 ist an der Anbauplatte 5 befestigt.The
Um den Block 21 sicher zu führen, ist ein Führungsbolzen 31 vorgesehen.To guide the
Am Block 21 sind Anschlüsse 33 für die vom Bagger kommenden Hydraulikleitungen vorgesehen.At
Die zum Werkzeug führenden Hydraulikleitungen gehen von Anschlüssen 34 aus, die am Block 27 vorgesehen sind.The hydraulic lines leading to the tool start from
In dem in den
Bei der in den
Dabei ist vorgesehen, dass zunächst der die Riegel 7 betätigende Verriegelungszylinder 10 der Schnellwechselvorrichtung 3 mit Hydraulikmedium beaufschlagt wird, um den Riegel 7 bzw. die Riegel 7 auszufahren, sodass die Anbauplatte 5 des Arbeitsgerätes mit der Schnellwechselvorrichtung 3 gekuppelt wird. Sobald beim Beaufschlagen des Verriegelungszylinders 10 ein vorgegebener Druck, beispielsweise ein Druck von 120 bar, erreicht wird, wird über ein Druckfolgeventil der Kupplungszylinder 45 mit Hydraulikmedium beaufschlagt. Die Kolbenstange 47 des Kupplungszylinders 45 fährt aus und stellt die Verbindung zwischen den Kupplungssteckern 23, die an der Kolbenstange 47 des Kupplungszylinders über einen Block 49 befestigt sind, und Kupplungsmuffen 29, die an einem, an der Anbauplatte 5 montieren Block 51 angeordnet sind, her. Der Block 51 mit den Kupplungsmuffen 29 ist bei an der Schnellwechselvorrichtung 3 festgelegter Anbauplatte 5 in die Riegelaufnahme 9 an der Anbauplatte 5 eingreifend angeordnet. Von dem die Kupplungsstecker 23 tragenden Block 49 stehen im Ausführungsbeispiel zwei Führungsstifte 25 ab, die bei geschlossener Hydraulikkupplung 40 in Führungslöcher 31 in dem die Kupplungsmuffen 29 tragenden Block 51 eingreifen.It is provided that first of the
Der Block 51 mit den Kupplungsmuffen 29 ist an der Anbauplatte 5 befestigt.The
Zu dem mit der Kolbenstange 47 des Kupplungszylinders 45 verbundenen Block 49 führen zwei Hydraulikleitungen 15 und von dem Block 51 an der Anbauplatte 5 führen zwei weitere Leitungen 43 weg, über die ein im Anbaugerät, z. B. in ein Böschungslöffel diesem vorgesehener Hydraulikzylinder, mit Hydraulikmedium beaufschlagt wird.To the connected to the
In einer bevorzugten Ausführungsform der erfindungsgemäßen Vorrichtung 1 wird nach dem Schließen der Hydraulikkupplung 40 bei der Ausführungsform der Vorrichtung gemäß den
Wenn die erfindungsgemäßen Vorrichtung 1 Anbaugeräte ohne eigenen Hydraulikantrieb, wie dieser bei Hydraulikhämmern oder Böschungslöffeln vorgesehen ist, verwendet wird, ist vorgesehen, dass über die an der Schnellwechselvorrichtung 3 vorgesehenen Kupplungsstecker 23 Schutzelemente gesteckt sind. Solche Schutzelemente können an der Anbauplatte 3 dort angeordnet sein, wo in dem gezeigten Ausführungsbeispiel die Blöcke 27 bzw. 51 mit Kupplungsmuffen 29 angeordnet sind.If the device according to the
Insbesondere ist im Rahmen der Erfindung in Betracht gezogen, an der Vorrichtung 1 sowohl Hydraulikkupplungen 20 wie sie an Hand der
Dabei sind an beiden Seiten der Vorrichtung Hydraulikkupplungen 20 für den an Hand der
Zusammenfassend kann ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung wie folgt beschrieben werden:
An einer Vorrichtung 1 zum Verbinden von Anbaugeräten mit einem Baggerausleger bestehend aus einer am Baggerausleger befestigten Schnellwechselvorrichtung 3 und einer am Anbaugerät befestigten Anbauplatte 5 ist wenigstens eine Kupplung 20, 40 für das Verbinden von vom Bagger kommenden Hydraulikleitungen 15 mit Hydraulikleitungen 16, die zu einem Antriebsmotor (Hydraulikzylinder) in dem Anbaugerät führen. Die wenigstens eine Hydraulikkupplung 20, 40 wird durch einen Kupplungszylinder 17, 45 betätigt, nachdem der Verriegelungszylinder 10 die Riegel 7 in ihre Wirkstellung vorgeschoben hat. So ist ohne zusätzliches Verbinden von Hydraulikleitungen beim Festlegen eines Anbaugerätes mit Hilfe der erfindungsgemäßen Vorrichtung 1 an einem Baggerausleger gewährleistet, dass wenigstens ein in einem Anbaugerät verwendeter Hydraulikmotor (Hydraulikzylinder) mit Hydraulikmedium beaufschlagt werden kann.In summary, an embodiment of the device according to the invention can be described as follows:
On a
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0016709U AT11312U1 (en) | 2009-03-23 | 2009-03-23 | QUICK COUPLING FOR CONSTRUCTION MACHINES |
Publications (2)
Publication Number | Publication Date |
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EP2233642A1 true EP2233642A1 (en) | 2010-09-29 |
EP2233642B1 EP2233642B1 (en) | 2011-09-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP10450017A Active EP2233642B1 (en) | 2009-03-23 | 2010-02-12 | Quick coupler for construction machines |
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EP (1) | EP2233642B1 (en) |
AT (2) | AT11312U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109555177A (en) * | 2019-01-25 | 2019-04-02 | 北京科技大学 | One kind is hydraulic to be switched fast docking platform automatically |
CN110644550A (en) * | 2019-10-16 | 2020-01-03 | 广东鸿荣重工股份有限公司 | Quick connector with automatic oil way butt joint system for excavator |
CN115369938A (en) * | 2022-09-22 | 2022-11-22 | 钱薛飞 | Hydraulic excavator with quick-change bucket |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2426267B1 (en) * | 2010-09-07 | 2020-12-30 | Caterpillar Work Tools B. V. | A coupling arrangement |
EP2426266B1 (en) | 2010-09-07 | 2018-10-17 | Caterpillar Work Tools B. V. | A coupling arrangement |
AT15844U1 (en) * | 2017-01-26 | 2018-07-15 | Baumaschinentechnik Ges M B H | Device for attaching attachments to excavator jibs |
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CN109555177A (en) * | 2019-01-25 | 2019-04-02 | 北京科技大学 | One kind is hydraulic to be switched fast docking platform automatically |
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CN115369938A (en) * | 2022-09-22 | 2022-11-22 | 钱薛飞 | Hydraulic excavator with quick-change bucket |
Also Published As
Publication number | Publication date |
---|---|
EP2233642B1 (en) | 2011-09-07 |
AT11312U1 (en) | 2010-08-15 |
ATE523637T1 (en) | 2011-09-15 |
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