EP1840276A2 - Quick coupler for construction machine - Google Patents

Quick coupler for construction machine Download PDF

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Publication number
EP1840276A2
EP1840276A2 EP07450014A EP07450014A EP1840276A2 EP 1840276 A2 EP1840276 A2 EP 1840276A2 EP 07450014 A EP07450014 A EP 07450014A EP 07450014 A EP07450014 A EP 07450014A EP 1840276 A2 EP1840276 A2 EP 1840276A2
Authority
EP
European Patent Office
Prior art keywords
hydraulic
coupling
mounting plate
quick
attachment
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
EP07450014A
Other languages
German (de)
French (fr)
Other versions
EP1840276B1 (en
EP1840276A3 (en
Inventor
Michael Perwein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baumaschinentechnik GmbH
Original Assignee
Baumaschinentechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baumaschinentechnik GmbH filed Critical Baumaschinentechnik GmbH
Priority to EP09007749.6A priority Critical patent/EP2096212A3/en
Priority to SI200730649T priority patent/SI1840276T1/en
Publication of EP1840276A2 publication Critical patent/EP1840276A2/en
Publication of EP1840276A3 publication Critical patent/EP1840276A3/en
Application granted granted Critical
Publication of EP1840276B1 publication Critical patent/EP1840276B1/en
Active legal-status Critical Current
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
    • E02F3/36—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
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor

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.
  • this can be applied to the AT 002 087 U1 , the WO 98/46835 A , the AT 413 1117 B and the AT 008 070 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 the excavator boom has been attached so that the operation and use of the attachment from the cab of the excavator can be controlled.
  • a hydraulic drive such as hydraulic hammers or slope spoons
  • the invention is based on the object to provide a device of the type mentioned comprising a quick-change device and a mounting plate available, in which the attachment of the hydraulic equipment leading to the attachment when setting an attachment at the free end of a digger boomsätig.
  • the at least one hydraulic drive provided in the attachment (hydraulic cylinder) is connected to the at least one line leading from the excavator to the quick-change device for hydraulic medium without additional measures.
  • a quick-change device 3 which is arranged at the free end of an excavator boom or the like (not shown) and one with an attachment, z. 5.
  • forward and surelyschiebbare latch 7 see Fig. 6
  • a hydraulic hammer or a battering scoop By means provided on the quick-change device 3 rigid hook 11 (see Fig. 6), which engage behind a coupling rod 13 (receiving bolts) on the mounting plate 5, the mounting plate 5 can be fixed to the quick-change device 3.
  • a pressure medium cylinder 10 (locking cylinder), preferably a hydraulic cylinder, provided and coupled with the bolts 7.
  • the bolt 7 can be moved by a bolt guide 8 in their shown in Fig. 1 operative position in which they engage in the bolt receptacle 9 on the mounting plate 5 of the attachment, and connect 10 the attachment with the quick-change device 3 safe.
  • Fig. 1 it can be seen that leading to the quick-change device 3 coming from the machine (excavator) hydraulic lines 15, which are connected to a plunger housing 17 of a hydraulic clutch 20. From the plunger housing 17 go out two plunger 19, which carry a connected to the plungers 19 block 21, projecting from this two coupling plug 23 and two guide pins 25.
  • the coupling plugs 23 and the guide pins 25 opposite, are on a block 27 which is attached to the attachment (not shown) supporting attachment plate 5, coupling sleeves 29 are arranged.
  • the coupling sleeves 29 are designed to be complementary to the coupling connectors 23.
  • two receiving openings 31 are provided for guide pins 25 in the block 27.
  • the block 21 carrying the guide pins 25 and the coupling plugs 23 (slidably mounted on the quick-change device 3) carries a slot 33 through the slot 33 in the side wall 35 of the housing of the quick-change device 3 in which the latches 7 are slidable.
  • cross-connecting rod 37 which is connected to one of the latch 7. This ensures that when pushed forward or back the latch 7, the coupling plug 23 and the guide pins 25 also pushed back and forth become.
  • FIG. 5 shows a variant of the hydraulic coupling 20 of FIGS. 2 to 4, in which only one guide pin 25 is provided.
  • hydraulic couplings 20 between coming from the machine (excavator) hydraulic lines 15 and to the attachment, z. B. the hydraulic hammer, leading hydraulic lines 16 are provided on both (longitudinal) sides of the device 1, as indicated in Fig. 1 and 9.
  • FIG. 6 shows the quick-change device 3 of the device 1 according to the invention attached to the excavator boom, with the parts of the hydraulic couplings 20 arranged on the quick-change device 3, omitting components in an oblique view.
  • the provided on the quick-change device 3 bolt guide 8 is continuously open, that is formed without a central web.
  • the latch receptacle 9 on the mounting plate 5 is open, i. without center bar.
  • 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 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, on one, on the mounting plate. 5 Assemble block 51 are arranged, forth.
  • 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 according to the invention is after closing the hydraulic clutch 40 in the embodiment of the device according to FIGS. 7 to 9 after closing the hydraulic clutch 40 under the action of the clutch cylinder 45 via a 6/2 way valve 55, the is controlled electromagnetically, the hydraulic circuit diverted to the cylinder of the slope tray.
  • the device according to the invention attachments without its own hydraulic drive, as 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 plug protective 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.
  • 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 either coupled to the provided in the locking device 3 bars 7 or is actuated by a clutch cylinder 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)

Abstract

The connecting device has a quick change device (3) fastened to an excavator boom, and an extension plate (5) fastened to an extension device. Hydraulic couplings (20, 40) are provided to connect hydraulic lines (15), coming from an excavator, with hydraulic lines (16) guided to a hydraulic motor in the extension device. The hydraulic couplings are coupled with bars (7), which are moved in the connecting device. The hydraulic couplings are activated when the extension plate is fixed to the quick change device connected with the excavator boom.

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 claim 1.

Derartige Vorrichtungen, die den Anbau und das Wechseln von Anbaugeräten am freien Ende eines Baggerauslegers erlauben, sind bekannt. Beispielhaft kann hiezu auf die AT 002 087 U1 , die WO 98/46835 A , die AT 413 1117 B und die AT 008 070 U verwiesen werden.Such devices, which allow the attachment and change of attachments at the free end of an excavator boom, are known. By way of example, this can be applied to the AT 002 087 U1 , the WO 98/46835 A , the AT 413 1117 B and the AT 008 070 U to get expelled.

Die bekannten Vorrichtungen der oben genannten Gattung haben sich gut bewährt, da sie ein rasches Festlegen von Anbaugeräten (Löffel, Hydraulikhämmer, usw.) an Baggerauslegern erlauben und den sicheren Sitz des Anbaugerätes am Baggerausleger gewährleisten.The known devices of the above type have been well proven, as they allow rapid attachment of implements (spoons, hydraulic hammers, etc.) to excavator arms 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 befestigt worden ist, damit der Betrieb und die Benützung 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 the excavator boom has been attached so that the operation and use of the attachment from the cab of the excavator can be controlled.

Der Erfindung liegt die Aufgabe zu Grunde, eine Vorrichtung der eingangs genannten Gattung umfassend eine Schnellwechselvorrichtung und eine Anbauplatte zur Verfügung zu stellen, bei der beim Festlegen eines Anbaugerätes am freien Ende eines Baggerauslegers das Verbinden der zum Anbaugerät führenden Hydraulikleitungen selbstätig erfolgt.The invention is based on the object to provide a device of the type mentioned comprising a quick-change device and a mounting plate available, in which the attachment of the hydraulic equipment leading to the attachment when setting an attachment at the free end of a digger boom selbstätig.

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 claim 1.

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 Kuppeln der am freien Ende des Baggerauslegers befestigten Schnellwechselvorrichtung mit der mit dem Anbaugerät verbundenen Anbauplatte ist auch eine Kupplung für die wenigstens eine zum Anbaugerät führende Hydraulikleitung vorgesehen. Diese Hydraulikkupplung wird beim Festlegen der Anbauplatte an der mit dem Baggerausleger verbundenen Schnellwechselvorrichtung aktiviert (geschlossen). So ist gewährleistet, dass beim Festlegen eines Anbaugerätes mit Hilfe der erfindungsgemäßen Vorrichtung der wenigstens eine im Anbaugerät vorgesehene Hydraulikantrieb (Hydraulikzylinder) mit der wenigstens einen vom Bagger zur Schnellwechselvorrichtung führenden Leitung für Hydraulikmedium ohne zusätzliche Maßnahmen verbunden wird.In the device according to the invention for coupling the quick-change device attached to the free end of the excavator boom with the attachment plate connected to the attachment, there is also a coupling provided for the at least one leading to the attachment hydraulic line. This hydraulic clutch is activated (closed) when fixing the attachment plate to the quick-change device connected to the excavator boom. Thus, it is ensured that when setting an attachment with the aid of the device according to the invention, the at least one hydraulic drive provided in the attachment (hydraulic cylinder) is connected to the at least one line leading from the excavator to the quick-change device for hydraulic medium without additional measures.

Weitere Einzelheiten und Merkmale sowie Vorteile der erfindungsgemäßen Vorrichtung ergeben sich aus der Erläuterung von Ausführungsbeispielen unter Bezugnahme auf die teilweise schematischen Zeichnungen.

  • Es zeigt Fig. 1 eine erfindungemäße Vorrichtung mit Schnellwechselvorrichtung und Anbauplatte,
  • Fig. 2 eine Hydraulikkupplung der Vorrichtung von Fig. 1,
  • Fig. 3 die Hydraulikkupplung aus Fig. 2 in anderer Ansicht,
  • Fig. 4 eine Einzelheit im Bereich der Hydraulikkupplung der Vorrichtung aus Fig. 1 ,
  • Fig. 5 eine andere Ausführungsform einer Hydraulikkupplung der erfindungsgemäßen Vorrichtung,
  • Fig. 6 die Schnellwechselvorrichtung der Vorrichtung von Fig. 1 für sich (vereinfacht) dargestellt,
  • Fig. 7 eine weitere Einzelheit der Vorrichtung von Fig. 1 im Bereich einer weiteren Hydraulikkupplung,
  • Fig. 8 die Einzelheit von Fig. 7 in anderer Ansicht und Fig. 9 die Vorrichtung der Fig. 1 in einer anderen Anbausicht.
Further details and features and advantages of the device according to the invention will become apparent from the explanation of embodiments with reference to the partially schematic drawings.
  • 1 shows a device according to the invention with a quick-change device and mounting plate,
  • FIG. 2 shows a hydraulic coupling of the device of FIG. 1, FIG.
  • 3 shows the hydraulic coupling of FIG. 2 in another view,
  • 4 shows a detail in the area of the hydraulic coupling of the device from FIG. 1,
  • 5 shows another embodiment of a hydraulic coupling of the device according to the invention,
  • 6 shows the quick-change device of the device of FIG. 1 for itself (simplified),
  • 7 shows a further detail of the device of FIG. 1 in the region of another hydraulic coupling, FIG.
  • Fig. 8 shows the detail of Fig. 7 in a different view and Fig. 9 shows the device of Fig. 1 in another cultivation view.

Eine in Fig. 1 gezeigte Vorrichtung 1 umfasst eine Schnellwechselvorrichtung 3, die am freien Ende eines (nicht gezeigten) Baggerauslegers oder dgl. angeordnet ist, und eine mit einem Anbaugerät, z. B. einem Hydraulikhammer oder einen Böschungslöffel (nicht gezeigt), verbundene Anbauplatte 5. Durch vor- und zurückschiebbare Riegel 7 (vgl. Fig. 6), die keilförmig ausgebildet, und in eine entsprechend geformte Riegelaufnahme 9 an der Anbauplatte 5 einschiebbar sind, sowie über an der Schnellwechselvorrichtung 3 vorgesehene starre Haken 11 (vgl. Fig. 6), die hinter eine Kupplungsstange 13 (Aufnahmebolzen) an der Anbauplatte 5 eingreifen, kann die Anbauplatte 5 an der Schnellwechselvorrichtung 3 festgelegt werden.1 comprises a quick-change device 3 which is arranged at the free end of an excavator boom or the like (not shown) and one with an attachment, z. 5. By means of forward and zurückschiebbare latch 7 (see Fig. 6), which are wedge-shaped, and in a correspondingly shaped latch receptacle 9 on the mounting plate 5 can be inserted, as well as a hydraulic hammer or a battering scoop (not shown) By means provided on the quick-change device 3 rigid hook 11 (see Fig. 6), which engage behind a coupling rod 13 (receiving bolts) on the mounting plate 5, the mounting plate 5 can be fixed to the quick-change device 3.

Zum Verstellen der Riegel 7 in einem kastenartigen Aufnahmeraum der Schnellwechselvorrichtung 3 ist ein Druckmittelzylinder 10 (Verriegelungszylinder), vorzugsweise ein Hydraulikzylinder, vorgesehen und mit den Riegeln 7 gekuppelt. Durch Betätigen des Verriegelungszylinders 10 können die Riegel 7 durch eine Riegelführung 8 in ihre in Fig. 1 gezeigte Wirkstellung, in der sie in der Riegelaufnahme 9 an der Anbauplatte 5 des Anbaugerätes eingreifen, verschoben werden und verbinden 10 das Anbaugerät mit der Schnellwechselvorrichtung 3 sicher.To adjust the latch 7 in a box-like receiving space of the quick-change device 3 is a pressure medium cylinder 10 (locking cylinder), preferably a hydraulic cylinder, provided and coupled with the bolts 7. By operating the locking cylinder 10, the bolt 7 can be moved by a bolt guide 8 in their shown in Fig. 1 operative position in which they engage in the bolt receptacle 9 on the mounting plate 5 of the attachment, and connect 10 the attachment with the quick-change device 3 safe.

Aus Fig. 1 ist ersichtlich, dass zu der Schnellwechselvorrichtung 3 von der Maschine (Bagger) kommende Hydraulik-Leitungen 15 führen, die an einem Plungergehäuse 17 einer Hydraulikkupplung 20 angeschlossen sind. Von dem Plungergehäuse 17 gehen zwei Plunger 19 aus, die über einen mit den Plungern 19 verbundenen Block 21, von diesem abstehend zwei Kupplungsstecker 23 sowie zwei Führungsstifte 25 tragen. Den Kupplungssteckern 23 und den Führungsstiften 25 gegenüberliegend, sind an einem Block 27, der an der das Anbaugerät (nicht gezeigt) tragenden Anbauplatte 5 befestigt ist, Kupplungsmuffen 29 angeordnet. Die Kupplungsmuffen 29 sind zu den Kupplungssteckern 23 komplementär ausgebildet. Zusätzlich sind in dem Block 27 zwei Aufnahmeöffnungen 31 für Führungsstifte 25 vorgesehen.From Fig. 1 it can be seen that leading to the quick-change device 3 coming from the machine (excavator) hydraulic lines 15, which are connected to a plunger housing 17 of a hydraulic clutch 20. From the plunger housing 17 go out two plunger 19, which carry a connected to the plungers 19 block 21, projecting from this two coupling plug 23 and two guide pins 25. The coupling plugs 23 and the guide pins 25 opposite, are on a block 27 which is attached to the attachment (not shown) supporting attachment plate 5, coupling sleeves 29 are arranged. The coupling sleeves 29 are designed to be complementary to the coupling connectors 23. In addition, two receiving openings 31 are provided for guide pins 25 in the block 27.

Wie insbesondere Fig. 4 zeigt, trägt der die Führungsstifte 25 und die Kupplungsstecker 23 tragende (verschiebbar an der Schnellwechselvorrichtung 3 gelagerte) Block 21 einen durch einen Schlitz 33 in der Seitenwand 35 des Gehäuses der Schnellwechselvorrichtung 3, in dem die Riegel 7 verschiebbar sind, greifende Verbindungsstange 37, die mit einem der Riegel 7 verbunden ist. So ist gewährleistet, dass beim Vor- bzw. Zurückschieben der Riegel 7 die Kupplungsstecker 23 und die Führungsstifte 25 ebenfalls vor- und zurückgeschoben werden.Referring particularly to FIG. 4, the block 21 carrying the guide pins 25 and the coupling plugs 23 (slidably mounted on the quick-change device 3) carries a slot 33 through the slot 33 in the side wall 35 of the housing of the quick-change device 3 in which the latches 7 are slidable. cross-connecting rod 37 which is connected to one of the latch 7. This ensures that when pushed forward or back the latch 7, the coupling plug 23 and the guide pins 25 also pushed back and forth become.

Fig. 5 zeigt eine Variante der Hydraulikkupplung 20 der Fig. 2 bis 4, bei welcher nur ein Führungsstift 25 vorgesehen ist.5 shows a variant of the hydraulic coupling 20 of FIGS. 2 to 4, in which only one guide pin 25 is provided.

Im gezeigten Ausführungsbeispiel ist vorgesehen, dass Hydraulikkupplungen 20 zwischen von der Maschine (Bagger) kommenden Hydraulikleitungen 15 und zu dem Anbaugerät, z. B. dem Hydraulikhammer, führenden Hydraulikleitungen 16 an beiden (Längs-)Seiten der Vorrichtung 1 vorgesehen sind, wie dies in Fig. 1 und 9 angedeutet ist.In the illustrated embodiment, it is provided that hydraulic couplings 20 between coming from the machine (excavator) hydraulic lines 15 and to the attachment, z. B. the hydraulic hammer, leading hydraulic lines 16 are provided on both (longitudinal) sides of the device 1, as indicated in Fig. 1 and 9.

In der Fig. 6 ist die am Baggerausleger befestigte Schnellwechselvorrichtung 3 der erfindungsgemäßen Vorrichtung 1, mit den an der Schnellwechselvorrichtung 3 angeordneten Teilen der Hydraulikkupplungen 20 unter Weglassen von Bauteilen in Schrägansicht dargestellt. Es ist erkennbar, dass die an der Schnellwechselvorrichtung 3 vorgesehene Riegelführung 8 durchgehend offen, also ohne Mittelsteg ausgebildet ist. Auch die Riegelaufnahme 9 an der Anbauplatte 5 ist offen, d.h. ohne Mittelsteg ausgebildet.FIG. 6 shows the quick-change device 3 of the device 1 according to the invention attached to the excavator boom, with the parts of the hydraulic couplings 20 arranged on the quick-change device 3, omitting components in an oblique view. It can be seen that the provided on the quick-change device 3 bolt guide 8 is continuously open, that is formed without a central web. Also, the latch receptacle 9 on the mounting plate 5 is open, i. without center bar.

Bei der in den Fig. 7 bis 9 gezeigten Ausführungsform einer weiteren, in der erfindungsgemäßen Vorrichtung 1 vorgesehenen Hydraulikkupplung 40 ist für das Betätigen der Hydraulikkupplung 40 zwischen von der Maschine (Bagger) zur Schnellwechselvorrichtung 3 führenden Hydraulikleitungen 41 und Hydraulikleitungen 43, die zum Anbaugerät, z. B. einem Böschungslöffel, führen, ein eigener Kupplungszylinder 45 vorgesehen.In the embodiment of another hydraulic coupling 40 provided in the device 1 according to the invention shown in FIGS. 7 to 9, for actuating the hydraulic coupling 40 between hydraulic lines 41 leading from the machine (excavator) to the quick-change device 3 and hydraulic lines 43, which are attached to the attachment, z. As a slope ladle lead, a separate clutch cylinder 45 is provided.

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 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. As soon as a predetermined pressure, for example a pressure of 120 bar, is reached when the locking cylinder 10 is acted upon, 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, on one, on the mounting plate. 5 Assemble block 51 are arranged, forth. 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.

Der Block 51 mit den Kupplungsmuffen 29 ist an der Anbauplatte 5 befestigt.The block 51 with the coupling sleeves 29 is attached to the mounting plate 5.

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 piston rod 47 of the clutch cylinder 45 block 49 lead two hydraulic lines 15 and of the block 51 on the mounting plate 5 lead two more lines 43 away, on the one in the attachment, z. B. in a slope level of this proposed hydraulic cylinder is acted upon by hydraulic medium.

In einer bevorzugten Ausführungsform der erfindungsgemäßen Vorrichtung 1 wird nach dem Schließen der Hydraulikkupplung 40 bei der Ausführungsform der Vorrichtung gemäß den Fig. 7 bis 9 nach dem Schließen der Hydraulik-Kupplung 40 unter der Wirkung des Kupplungszylinders 45 über ein 6/2 Wegeventil 55, das elektromagnetisch gesteuert wird, der Hydraulikkreis zum Zylinder des Böschungslöffels umgeleitet.In a preferred embodiment of the device 1 according to the invention is after closing the hydraulic clutch 40 in the embodiment of the device according to FIGS. 7 to 9 after closing the hydraulic clutch 40 under the action of the clutch cylinder 45 via a 6/2 way valve 55, the is controlled electromagnetically, the hydraulic circuit diverted to the cylinder of the slope tray.

Wenn die erfindungsgemäßen Vorrichtung 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 invention attachments without its own hydraulic drive, as 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 plug protective 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.

Wie insbesondere die Fig. 1 und 9 zeigen, ist im Rahmen der Erfindung in Betracht gezogen an der Vorrichtung sowohl Hydraulikkupplungen 20 wie sie an Hand der Fig. 2 und 3 beschrieben worden sind, als auch Hydraulikkupplungen 40 wie sie an Hand der Fig. 7 und 8 beschreiben worden sind, gemeinsam zu verwirklichen.1 and 9 show, in the context of the invention considered on the device both hydraulic couplings 20 as described with reference to FIGS. 2 and 3, as well as hydraulic couplings 40 as shown in FIG. 7 and 8 have been described together to realize.

Dabei zeigen die Fig. 1 und 9 an beiden Seiten der Vorrichtung Hydraulikkupplungen 20 für den an Hand der Fig. 2 und 3 beschriebenen Anschluss (eines Hydraulikhammers) und die z. B. In der Mitte der Vorrichtung 1 angeordnete Hydraulikkupplung 40 der Fig. 7 und 8 für einen Böschungslöffel.1 and 9 on both sides of the device hydraulic couplings 20 for the described with reference to FIGS. 2 and 3 connection (a hydraulic hammer) and the z. B. In the middle of the device 1 arranged hydraulic coupling 40 of FIG. 7 and 8 for a slope spoons.

Zusätzlich ist in Fig. 9 der Zylinder 10 für das Vorschieben der Riegel 7 gezeigt und es ist auch das 6/2 Wegeventil 55 dargestellt.In addition, in Fig. 9, the cylinder 10 for advancing the bolt 7 is shown and it is also the 6/2 way valve 55 is shown.

Zusammenfassend kann ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung wie folgt beschrieben werden:In summary, an embodiment of the device according to the invention can be described as follows:

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 ist entweder mit den in der Verriegelungsvorrichtung 3 vorgesehenen Riegeln 7 gekuppelt oder wird durch einen Kupplungszylinder 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 einer in einem Anbaugerät verwendeter Hydraulikmotor (Hydraulikzylinder) mit Hydraulikmedium beaufschlagt werden kann.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 either coupled to the provided in the locking device 3 bars 7 or is actuated by a clutch cylinder 45 after the locking cylinder 10 has advanced the latch 7 in its operative position. Thus, without additional connection of hydraulic lines when securing an attachment with the aid of the device 1 according to the invention to an excavator boom, it is ensured that at least one hydraulic motor (hydraulic cylinder) used in an attachment can be loaded with hydraulic medium.

Claims (18)

Vorrichtung (1) zum Verbinden eines Anbaugerätes mit einem Baggerausleger mit einer am Baggerausleger befestigten Schnellwechselvorrichtung (3) und einer am Anbaugerät befestigten Anbauplatte (5), dadurch gekennzeichnet, dass wenigstens eine Hydraulikkupplung (20, 40) vorgesehen ist, mit der vom Bagger kommende Hydraulikleitungen (15) mit Hydraulikleitungen (16) die zu wenigstens einem Hydraulikmotor im Anbaugerät führen, verbindbar sind.Device (1) for connecting an attachment with an excavator boom with a quick-change device (3) attached to the excavator boom and a mounting plate (5) attached to the attachment, characterized in that at least one hydraulic coupling (20, 40) is provided with the one coming from the excavator Hydraulic lines (15) with hydraulic lines (16) leading to at least one hydraulic motor in the attachment, can be connected. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Hydraulikkupplung (20, 40) wirkmäßig mit den Riegeln (7), die in der Verriegelungsvorrichtung (1) verschiebbar sind, gekuppelt ist.Device according to claim 1, characterized in that the hydraulic coupling (20, 40) is operatively coupled to the latches (7) displaceable in the locking device (1). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Hydraulikkupplung (20) einen an der Verriegelungsvorrichtung (3) verschiebbaren Block (21), der Kupplungsstecker (23) trägt, und einen an der Anbauplatte (3) befestigten Block (27), der Kupplungsmuffen (29) trägt, aufweist.Device according to claim 2, characterized in that the hydraulic coupling (20) carries a block (21) displaceable on the locking device (3), the coupling plug (23), and a block (27), the coupling sleeves, attached to the mounting plate (3) (29) carries. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass an einem der Blöcke (21, 27) wenigstens ein Führungsstift (25) und am anderen der Blöcke (27, 21) wenigstens ein Führungsloch (31) für den Eingriff der Führungsstifte (25) vorgesehen ist.Device according to claim 3, characterized in that at least one guide pin (25) is provided on one of the blocks (21, 27) and at least one guide hole (31) for engagement of the guide pins (25) is provided on the other of the blocks (27, 21) , Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der an der Schnellwechselvorrichtung (3) verschiebbar geführte Block (21) mit dem Riegel (7) gekuppelt ist.Apparatus according to claim 3 or 4, characterized in that on the quick-change device (3) slidably guided block (21) is coupled to the latch (7). Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Block (21) einen Kupplungsstift (37) trägt, der mit einem der Riegel (7) verbunden ist.Apparatus according to claim 5, characterized in that the block (21) carries a coupling pin (37) which is connected to one of the bolt (7). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an der beiden Längsseiten der Vorrichtung (1) je eine Hydraulikkupplung (20) vorgesehen ist.Device according to one of claims 1 to 6, characterized in that on the two longitudinal sides of the device (1) each have a hydraulic coupling (20) is provided. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass zum Betätigen der Hydraulikkupplung (40) ein Kupplungszylinder (45) vorgesehen ist, der nach dem Vorschieben der Riegel (7) mit Hilfe eines Verriegelungszylinders (10) betätigbar ist.Apparatus according to claim 1, characterized in that the Actuating the hydraulic coupling (40), a clutch cylinder (45) is provided which, after the advancement of the bolt (7) by means of a locking cylinder (10) is actuated. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der Kupplungszylinder (45) beim Überschreiten eines vorgegebenen Wertes des Drucks des Hydraulikmediums im Verriegelungszylinder (10) betätigbar ist.Apparatus according to claim 8, characterized in that the clutch cylinder (45) when a predetermined value of the pressure of the hydraulic medium in the locking cylinder (10) is exceeded. Vorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Hydraulikkupplung (40) in der Symmetrieebene der Vorrichtung (1) angeordnet ist.Apparatus according to claim 8 or 9, characterized in that the hydraulic coupling (40) in the plane of symmetry of the device (1) is arranged. Vorrichtung nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass mit dem Kupplungszylinder (45) über dessen Kolbenstange (47) ein Kupplungsstecker (23) tragender Block (49) der Kupplungsvorrichtung (40) relativ zur Schnellwechselvorrichtung (3) verschiebbar verbunden ist.Device according to one of claims 8 to 10, characterized in that with the clutch cylinder (45) via the piston rod (47) a coupling plug (23) carrying block (49) of the coupling device (40) relative to the quick-change device (3) is slidably connected. Vorrichtung nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, dass die Hydraulikkupplung (40) einen an der Anbauplatte (5) befestigten Block (51) mit Kupplungsmuffen (29) aufweist.Device according to one of claims 8 to 11, characterized in that the hydraulic coupling (40) has a to the mounting plate (5) fixed block (51) with coupling sleeves (29). Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der Block (51) innerhalb einer an der Anbauplatte (5) befestigten Riegelaufnahme (9) angeordnet ist.Device according to claim 12, characterized in that the block (51) is arranged within a bolt receptacle (9) fastened to the mounting plate (5). Vorrichtung nach einem der Ansprüche 8 bis 13, dadurch gekennzeichnet, dass ein 6/2 Wegeventil (55) vorgesehen ist, das nach dem Schließen der Hydraulikkupplung(40) den Hydraulikkreis zu einem an der Anbauplatte (3) angeordneten Anbaugerät umleitet.Device according to one of claims 8 to 13, characterized in that a 6/2 way valve (55) is provided which, after the closing of the hydraulic coupling (40), redirects the hydraulic circuit to an attachment mounted on the mounting plate (3). Vorrichtung nach einem der Ansprüche 8 bis 14 , dadurch gekennzeichnet, dass beim Lösen der Verbindung zwischen Anbauplatte (5) und Schnellwechselvorrichtung (3) über das 6/2 Wegeventil (55) zunächst der Kupplungszylinder (45) beaufschlagt wird, um die Hydraulikkupplung (49) zu öffnen und dass der Verriegelungszylinder (10) beim Überschreiten eines vorgegebenen Druckes im Hydraulikkreis zum Zurückziehen der Riegel (7) mit Hydraulikmedium beaufschlagt ist.Device according to one of claims 8 to 14, characterized in that when releasing the connection between the mounting plate (5) and quick-change device (3) via the 6/2 way valve (55), first of the clutch cylinder (45) is acted upon to the hydraulic coupling (49 ) and that the locking cylinder (10) when exceeding a predetermined Pressure in the hydraulic circuit for retracting the bolt (7) is acted upon by hydraulic medium. Vorrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass die Riegelführung (8) an der Schnellwechselvorrichtung (3) und/oder die Riegelaufnahme (9) an der Anbauplatte (5) eine unterbrechungsfreie Öffnung aufweist.Device according to one of claims 1 to 15, characterized in that the bolt guide (8) on the quick-change device (3) and / or the bolt receptacle (9) on the mounting plate (5) has an uninterruptible opening. Vorrichtung nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, dass Schutzvorrichtungen vorgesehen sind, die über Kupplungsstecker (23) der Hydraulikkupplungen (20, 40) anbringbar sind.Device according to one of claims 1 to 16, characterized in that protective devices are provided, which can be attached via coupling plug (23) of the hydraulic couplings (20, 40). Vorrichtung nach Anspruch 17, dadurch gekennzeichnet, dass die Schutzvorrichtungen an einer Anbauplatte (3) angeordnet sind, und bei an der Schnellwechselvorrichtung (3) befestigter Anbauplatte (3) den Kupplungssteckern (23) diese abdeckend zugeordnet sind.Apparatus according to claim 17, characterized in that the protective devices are arranged on a mounting plate (3), and at the quick-change device (3) attached mounting plate (3) the coupling connectors (23) are assigned to cover this.
EP07450014A 2006-03-27 2007-02-01 Quick coupler for construction machine Active EP1840276B1 (en)

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EP09007749.6A EP2096212A3 (en) 2006-03-27 2007-02-01 Tool coupler for construction machine
SI200730649T SI1840276T1 (en) 2006-03-27 2007-02-01 Quick coupler for construction machine

Applications Claiming Priority (1)

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AT0023306U AT8623U3 (en) 2006-03-27 2006-03-27 DEVICE FOR MOUNTING ATTACHMENTS

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EP2233642A1 (en) 2009-03-23 2010-09-29 Baumaschinentechnik Gesellschaft m.b.H. Quick coupler for construction machines
US7963054B2 (en) 2008-03-20 2011-06-21 Wimmer Hartstahl Gmbh & Co. Kg Coupling configuration with a device for connecting energy transmission lines
EP3023549A1 (en) 2014-11-20 2016-05-25 Baumaschinentechnik Gesellschaft m.b.H. Coupling for construction machines
DE202016104780U1 (en) 2016-07-14 2016-09-15 Baumaschinentechnik Gesellschaft M.B.H. Clutch for construction machinery

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AT505238B1 (en) * 2007-06-13 2016-03-15 Martin Holding Gmbh CLUTCH
GB2580380B (en) * 2019-01-08 2021-07-21 Hiltec Designs Ltd Coupler with power connection system
EP3951067B1 (en) * 2020-08-06 2024-02-07 Daum, Daniel Quick change device

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DE202016104780U1 (en) 2016-07-14 2016-09-15 Baumaschinentechnik Gesellschaft M.B.H. Clutch for construction machinery

Also Published As

Publication number Publication date
DE502007006866D1 (en) 2011-05-19
EP2096212A2 (en) 2009-09-02
SI1840276T1 (en) 2011-08-31
EP1840276B1 (en) 2011-04-06
AT11151U1 (en) 2010-05-15
AT8623U2 (en) 2006-10-15
AT8623U3 (en) 2007-04-15
EP2096212A3 (en) 2013-12-04
EP1840276A3 (en) 2008-06-11

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