EP3502357A1 - Quick changer - Google Patents
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- Publication number
- EP3502357A1 EP3502357A1 EP18209114.0A EP18209114A EP3502357A1 EP 3502357 A1 EP3502357 A1 EP 3502357A1 EP 18209114 A EP18209114 A EP 18209114A EP 3502357 A1 EP3502357 A1 EP 3502357A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- quick coupler
- fishing hook
- hook
- receptacles
- 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
Links
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
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
-
- 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
- E02F3/3622—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 locking element acting on a pin
-
- 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
- E02F3/365—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with redundant latching means, e.g. for safety purposes
-
- 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 quick coupler according to the preamble of claim 1.
- Such quick couplers are used for easy and convenient change of different attachments to construction equipment.
- a quick coupler e.g. Swing spoons, grapples, shears, compressors, magnets, hydraulic breakers or other attachments in a few seconds and with a high safety standard from a driver's cab of e.g. be connected or disconnected on a boom of an excavator.
- a generic quick coupler known. This includes a carrier having on one side first recordings for holding a provided on an attachment first coupling element and on the other side second recordings with a movable between a release position and a locking position locking element for releasably supporting a second coupling element.
- a catching device with a hook arrangement for holding a crossbar cooperating with counter hooks on the attachment is provided on the carrier. Since the hook arrangement provided for securing is made in one piece with the carrier, damage to the hook arrangement caused by improper use always also affects the entire carrier. A repair or replacement is therefore associated with a considerable effort.
- the object of the invention is to provide a quick coupler of the type mentioned, which contains an easily assembled and easily replaceable if necessary safety device.
- the catching device has at least one catch hook connected to the carrier via a non-destructively detachable connection.
- a damaged by improper use fishing hook can be easily replaced without replacing the entire carrier. It does not have to be dismantled or changed the entire carrier.
- By the cutting or separation point between the carrier and the fishing hook can also be ensured that damage to the carrier are avoided in improper loading of the fishing hook assembly. If e.g. a fishing hook is not used in an illegal way for supporting a digger on the ground for a turning or repositioning, this leads rather to a solution of the connection between the carrier and the fishing hook or damage to the easily replaceable fishing hook, whereas the carrier as little as possible is pulled.
- the at least one catch hook is designed so that it can catch a coupled with the quick coupler attachment even with an unintentional release movement of a locking device, thereby preventing unwanted loosening of the attachment of the quick coupler.
- the catch hook is completely independent of the operator-controlled locking device of the quick coupler and thus provides increased security even with improper operation.
- the catch hook is therefore designed for an operator-independent catching an attachment for additional security.
- the catcher may include one or more separate or interconnected fishing hooks.
- the catching device may be formed by two catch hooks arranged on the first receptacles of the carrier.
- the non-destructive detachable connection can be formed by at least one connecting element and associated receptacles in the carrier and the fishing hook.
- the connecting elements may e.g. be designed as a connecting bolt and the recordings as holes.
- the connecting bolt can be designed as a screw or pin.
- the non-destructive releasable connection can also be designed as a tongue and groove connection or in another suitable manner.
- the holes for the at least one connecting pin in a respect to the carrier projecting Connecting web and be arranged on a connecting bar corresponding to the connecting groove on the fishing hook.
- a particularly expedient interface between the carrier and the catch hook can be created in that the connecting web on the carrier has a trapezoidal cross-section with opposite oblique outer contact surfaces and the connecting groove on the fishing hook contains a corresponding trapezoidal cross-section with opposing inner contact surfaces.
- a particularly good protection of the wearer with inadmissible loads of the fishing hook can be achieved by the distance between a front edge of the fishing hook and the hole in the fishing hook is smaller than the distance from a front edge of the connecting web to the bore in the connecting web. As a result, the stresses are more likely to be laid on the fishing hook.
- the connecting web on the carrier can also protrude between two spaced legs of a fishing hook.
- the fishing hook may consist of a softer or more yielding material than the carrier.
- the carrier may e.g. be made of a tougher or more wear-resistant material than the fishing hook.
- the fishing hook is designed for gripping a reaching with the first recordings coupling element.
- FIG. 1 is a quick coupler 1 for easy and convenient change of different attachments to construction equipment, especially excavators shown.
- a quick coupler for example, swinging buckets, grippers, shears, magnets, compressors, hydraulic breakers or other mechanical or hydraulic attachments can be easily and conveniently connected or disconnected from a cab on a boom or other attachment of an excavator or other construction vehicle.
- the quick coupler 1 shown contains a designed as a welded or casting support 2, the first open at one side first receptacles 3 for receiving and holding a first bolt-shaped coupling element and on the other side downwardly open second receptacles 4 for receiving a second bolt-shaped Contains coupling element.
- the open to the first images 3 are designed claw or fork.
- the downwardly open receptacles 4 have a curved lower contact surface 5 to the plant of the second bolt-shaped coupling element.
- the carrier 2 contains in FIG. 1 recognizable guide holes 6, in which a in FIG. 5 shown piston-shaped locking element 7 slidably guided and hydraulically between a retracted release position and a in FIG. 5 shown extended locking position are arranged movable.
- the carrier 2 comprises on one side two claw-shaped first receptacles 3 for a first coupling element and on the other side two receptacles 4 for a second coupling element.
- the quick coupler 1 In order to couple an attachment with the aid of the quick coupler 1, the quick coupler 1 usually arranged on an outrigger of an excavator is first moved in such a way that, e.g. on an adapter or on the attachment arranged first coupling element 5 is retracted into the claw-shaped receptacles 3 on one side of the quick coupler 1. Then, the quick coupler 1 is pivoted with locking elements 7 still retracted around the first bolt-shaped coupling element 5 so that a second coupling element on the adapter or attachment comes to rest on the contact surfaces 5 of the downwardly open receptacles 4 on the other side of the quick coupler 1.
- bolt-shaped locking elements 7 can be extended hydraulically, so that the second bolt-shaped coupling element engages under the two locking elements on the quick coupler 2 and the attachment is thus held on the quick coupler 1.
- catcher 10 is provided.
- the catching device 10 is designed for grasping the coupling element arranged on an adapter or attachment and engaging with the first receptacles 3.
- the catching device 10 is designed such that an attachment is caught in an unintentional release from the coupling position by engagement of the coupling element on the fishing hook assembly in a catching position and thereby held on the quick coupler.
- the catching device 10 comprises two separate catch hooks 11, which are connected to the carrier 2 via a non-destructive detachable screw or pin connection.
- the carrier 2 forwards projecting connecting webs 12 for engagement in corresponding connecting grooves 13 of the fishing hooks 11.
- the connecting web 12 includes a trapezoidal cross section with opposite oblique outer contact surfaces 14.
- the connecting groove 13 in the fishing hooks 11 is designed as a keyway with a trapezoidal cross-section.
- the connecting groove 13 contains two oppositely inclined inner abutment surfaces 15.
- the bolt-shaped connecting elements 18 are designed as threaded bolts.
- the connecting pins 18 may also be designed as pins.
- FIGS. 7 and 8 are cross sections of the separation point between the connecting web 12 support 2 and a fishing hook 11 without the bolt-shaped connecting element 18 at a load of the fishing hook 11 shown from below and above.
- the main loads are in the area A at the bottom of the fishing hook 11 and in area B of the Connecting web 12.
- the distance X from a front edge 19 of the fishing hook 11 to the formed as a bore receptacle 16 in the fishing hook is smaller than the distance Y from a front edge 20 of the connecting web 12 is selected to the formed as a bore receptacle 17 in the connecting web 12.
- the areas B of the connecting web 12 and the area C at the top of the fishing hook 11 are more heavily loaded. Since here, too, the distance W between the front edge 19 of the fishing hook 11 and the receptacle 16 designed as a hole in the fishing hook 11 is smaller than the distance Y from a front edge 20 of the connecting web 12 to the receptacle 17 in the connecting web 12 in the form of a bore Here, too, a possible damage rather on the fishing hook 11 as on the connecting web 12 of the carrier 2.
- the fishing hook 11 is configured such that the area above the connecting groove 13 between the front edge 19 and the bore 16 formed as receiving portion 16 of the catch hook 11 has a larger cross-section than that below the connecting groove 13 between the front edge 19 and as Bore trained recording 16 lying area A has.
- FIGS. 9 to 11 Another quick coupler 1 with a second embodiment of a catching device 10 is shown.
- the catching device 10 comprises two separate catch hooks 11 which are connected via a non-destructively releasable pin connection fixed to the carrier 2.
- the carrier 2 has according to FIG. 9 below the receptacles 3 projecting connecting webs 12 for engagement in corresponding connecting grooves 13 of the fishing hooks 11 on.
- the connecting webs 12 include a transverse bore 21 for receiving a in FIG. 10 shown transverse pin 22.
- the catch hook 11 contains two spaced-apart legs 23, between which the connecting groove 13 is formed for receiving the connecting web 12. In the two legs 23 aligned bores 24 are provided for receiving the transverse pin 22. About two retaining rings 25 of the transverse pin 22 is fixed to the carrier 2. The fishing hook 11 is formed such that it over the transverse pin 22nd Although removable but firm and not about the transverse pin 22 is pivotally mounted on the carrier 2. Also in the previous embodiment, the catch hooks 11 are fixed and not pivotally mounted on the carrier 2, but can be easily disassembled if necessary.
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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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Mechanical Operated Clutches (AREA)
- Valve Device For Special Equipments (AREA)
- Braking Systems And Boosters (AREA)
- Shovels (AREA)
Abstract
Die Erfindung betrifft einen Schnellwechsler (1) zum Wechseln von Anbaugeräten an einer Baumaschine, der einen Träger (2), an einer Seite des Trägers (2) angeordnete erste Aufnahmen (3) zur Aufnahme eines ersten Kopplungselements, an der anderen Seite des Trägers (2) angeordnete zweite Aufnahmen (4) mit mindestens einem zwischen einer Lösestellung und einer Verriegelungsstellung bewegbaren Verriegelungselement (7) zur Aufnahme eines zweiten Kopplungselements und eine am Träger (2) angeordnete Fangeinrichtung (10) zum Auffangen des Anbaugeräts enthält. Erfindungsgemäß weist die Fangeinrichtung (10) mindestens einen mit dem Träger (2) über eine zerstörungsfrei lösbare Verbindung (16, 17, 18) verbundenen Fanghaken (11) auf.The invention relates to a quick coupler (1) for changing attachments on a construction machine, which comprises a carrier (2), first receptacles (3) arranged on one side of the carrier (2) for receiving a first coupling element, on the other side of the carrier ( 2) arranged second receptacles (4) with at least one locking element (7) movable between a release position and a locking position for receiving a second coupling element and a catch device (10) arranged on the carrier (2) for catching the attachment. According to the invention, the catch device (10) has at least one catch hook (11) connected to the carrier (2) via a non-destructively detachable connection (16, 17, 18).
Description
Die Erfindung betrifft einen Schnellwechsler nach dem Oberbegriff des Anspruchs 1.The invention relates to a quick coupler according to the preamble of
Solche Schnellwechsler werden zum einfachen und bequemen Wechseln von unterschiedlichen Anbaugeräten an Baumaschinen eingesetzt. Mit einem derartigen Schnellwechsler können z.B. Schwenklöffel, Greifer, Scheren, Verdichter, Magnete, Hydraulikhammer oder andere Anbaugeräte in wenigen Sekunden und mit hohem Sicherheitsstandard von einer Fahrerkabine aus z.B. an einem Ausleger eines Baggers an- bzw. abgekuppelt werden.Such quick couplers are used for easy and convenient change of different attachments to construction equipment. With such a quick coupler, e.g. Swing spoons, grapples, shears, compressors, magnets, hydraulic breakers or other attachments in a few seconds and with a high safety standard from a driver's cab of e.g. be connected or disconnected on a boom of an excavator.
Aus der
Aufgabe der Erfindung ist es, einen Schnellwechsler der eingangs genannten Art zu schaffen, der eine einfach montierbare und bei Bedarf leicht auswechselbare Sicherungseinrichtung enthält.The object of the invention is to provide a quick coupler of the type mentioned, which contains an easily assembled and easily replaceable if necessary safety device.
Diese Aufgabe wird durch einen Schnellwechsler mit den Merkmalen des Anspruchs 1 gelöst. Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a quick coupler with the features of
Bei dem erfindungsgemäßen Schnellwechsler weist die Fangeinrichtung mindestens einen mit dem Träger über eine zerstörungsfrei lösbare Verbindung verbunden Fanghaken auf. Ein durch unsachgemäße Anwendung beschädigter Fanghaken kann so auch ohne Austausch des gesamten Trägers einfach ausgewechselt werden. Es muss nicht der gesamte Träger demontiert oder gewechselt werden. Durch die Schnitt- oder Trennstelle zwischen dem Träger und dem Fanghaken kann außerdem gewährleistet werden, dass Beschädigungen des Trägers bei unsachgemäßen Belastungen der Fanghakenanordnung vermieden werden. Wenn z.B. ein Fanghaken in nicht erlaubter Weise zur Abstützung eines Baggers am Boden für ein Wenden oder Umsetzen verwendet wird, führt dies eher zu einer Lösung der Verbindung zwischen dem Träger und dem Fanghaken oder zu Schäden an dem einfach austauschbaren Fanghaken, wohingegen der Träger möglichst wenig in Mitleidenschaft gezogen wird. Der mindestens eine Fanghaken ist so konzipiert, dass er ein mit dem Schnellwechsler gekoppeltes Anbaugerät auch bei einer unbeabsichtigten Lösebewegung einer Verriegelungseinrichtung auffangen und dadurch ein unerwünschtes Lösen des Anbaugeräts vom Schnellwechsler verhindern kann. Der Fanghaken ist völlig unabhängig von der durch den Bediener gesteuerten Verriegelungseinrichtung des Schnellwechslers und bietet somit eine erhöhte Sicherheit auch bei unsachgemäßer Bedienung. Der Fanghaken ist also für ein von Bediener unabhängiges Auffangen eines Anbaugeräts zur zusätzlichen Sicherung konzipiert.In the quick coupler according to the invention, the catching device has at least one catch hook connected to the carrier via a non-destructively detachable connection. A damaged by improper use fishing hook can be easily replaced without replacing the entire carrier. It does not have to be dismantled or changed the entire carrier. By the cutting or separation point between the carrier and the fishing hook can also be ensured that damage to the carrier are avoided in improper loading of the fishing hook assembly. If e.g. a fishing hook is not used in an illegal way for supporting a digger on the ground for a turning or repositioning, this leads rather to a solution of the connection between the carrier and the fishing hook or damage to the easily replaceable fishing hook, whereas the carrier as little as possible is pulled. The at least one catch hook is designed so that it can catch a coupled with the quick coupler attachment even with an unintentional release movement of a locking device, thereby preventing unwanted loosening of the attachment of the quick coupler. The catch hook is completely independent of the operator-controlled locking device of the quick coupler and thus provides increased security even with improper operation. The catch hook is therefore designed for an operator-independent catching an attachment for additional security.
Die Fangeinrichtung kann einen oder mehrere voneinander getrennte oder miteinander verbundene Fanghaken umfassen. In einer besonders zweckmäßigen Ausführung kann die Fangeinrichtung durch zwei an den ersten Aufnahmen des Trägers angeordnete Fanghaken gebildet sein.The catcher may include one or more separate or interconnected fishing hooks. In a particularly expedient embodiment, the catching device may be formed by two catch hooks arranged on the first receptacles of the carrier.
In einer robusten und konstruktiv vorteilhaften Ausgestaltung kann die zerstörungsfrei lösbare Verbindung durch mindestens ein Verbindungselement und zugehörige Aufnahmen in dem Träger und dem Fanghaken gebildet sein. Die Verbindungselemente können z.B. als Verbindungsbolzen und die Aufnahmen als Bohrungen ausgebildet sein. Der Verbindungsbolzen kann als Schraube oder Stift ausgeführt sein. Die zerstörungsfrei lösbare Verbindung kann auch als Nut-Feder-Verbindung oder auf andere geeignete Weise ausgeführt sein.In a robust and structurally advantageous embodiment, the non-destructive detachable connection can be formed by at least one connecting element and associated receptacles in the carrier and the fishing hook. The connecting elements may e.g. be designed as a connecting bolt and the recordings as holes. The connecting bolt can be designed as a screw or pin. The non-destructive releasable connection can also be designed as a tongue and groove connection or in another suitable manner.
Bei einer für die Krafteinleitung besonders vorteilhaften Ausführung können die Bohrungen für den mindestens einen Verbindungsbolzen in einem gegenüber dem Träger vorstehenden Verbindungssteg und an einer zum Verbindungssteg korrespondierenden Verbindungsnut am Fanghaken angeordnet sein. Eine besonders zweckmäßige Schnittstelle zwischen dem Träger und dem Fanghaken kann dadurch geschaffen werden, dass der Verbindungssteg am Träger einen trapezförmigen Querschnitt mit entgegengesetzt schrägen äußeren Anlagenflächen aufweist und die Verbindungsnut am Fanghaken einen dazugehörigen trapezförmigen Querschnitt mit entgegengesetzt inneren Anlageflächen enthält.In a particularly advantageous for the introduction of force execution, the holes for the at least one connecting pin in a respect to the carrier projecting Connecting web and be arranged on a connecting bar corresponding to the connecting groove on the fishing hook. A particularly expedient interface between the carrier and the catch hook can be created in that the connecting web on the carrier has a trapezoidal cross-section with opposite oblique outer contact surfaces and the connecting groove on the fishing hook contains a corresponding trapezoidal cross-section with opposing inner contact surfaces.
Eine besonders gute Schonung des Träger bei unzulässigen Belastungen des Fanghakens kann dadurch erreicht werden, dass der Abstand zwischen einer vorderen Kante des Fanghakens und der Bohrung im Fanghaken kleiner als der Abstand von einer vorderen Kante des Verbindungsstegs zur Bohrung im Verbindungssteg ist. Dadurch werden die Belastungen eher auf den Fanghaken verlegt.A particularly good protection of the wearer with inadmissible loads of the fishing hook can be achieved by the distance between a front edge of the fishing hook and the hole in the fishing hook is smaller than the distance from a front edge of the connecting web to the bore in the connecting web. As a result, the stresses are more likely to be laid on the fishing hook.
Der Verbindungssteg am Träger kann aber auch zwischen zwei voneinander beabstandete Schenkel eines Fanghakens ragen.However, the connecting web on the carrier can also protrude between two spaced legs of a fishing hook.
Gemäß einer weiteren vorteilhaften Ausführung kann der Fanghaken aus einem weicheren bzw. nachgiebigeren Werkstoff als der Träger bestehen. Dadurch kann zusätzlich gewährleistet werden, dass der Fanghaken bei einer unsachgemäßen Belastung noch vor dem Träger verformt oder beschädigt wird. Der Träger kann z.B. aus einem zäheren bzw. verschleißfesteren Material als der Fanghaken hergestellt sein.According to a further advantageous embodiment, the fishing hook may consist of a softer or more yielding material than the carrier. As a result, it can additionally be ensured that the catch hook is deformed or damaged in the event of improper loading even in front of the carrier. The carrier may e.g. be made of a tougher or more wear-resistant material than the fishing hook.
In einer konstruktiv einfachen Ausführung ist der Fanghaken zum Umgreifen eines mit den ersten Aufnahmen in Eingriff gelangenden Kopplungselements ausgeführt.In a structurally simple embodiment of the fishing hook is designed for gripping a reaching with the first recordings coupling element.
Weitere Besonderheiten und Vorzüge der Erfindung ergeben sich aus der folgenden Beschreibung eines bevorzugten Ausführungsbeispiels anhand der Zeichnung. Es zeigen:
-
Figur 1 - einen Schnellwechsler mit einer Fanghakenanordnung in einer Perspektive;
-
Figur 2 - eine vergrößerte Detailansicht A von
;Figur 1 -
Figur 3 - den Schnellwechsler von
ohne Fanghakenanordnung in einer Perspektive;Figur 1 -
Figur 4 - eine vergrößerte Detailansicht B von
;Figur 3 -
Figur 5 - den Schnellwechsler von
in einer Seitenansicht;Figur 1 -
Figur 6 - eine vergrößerte Detailansicht C von
;Figur 5 -
Figur 7 - einen Querschnitt der Trennstelle zwischen einem Fanghaken und dem Träger bei einer Belastung von unten;
-
Figur 8 - einen Querschnitt der Trennstelle zwischen einem Fanghaken und dem Träger bei einer Belastung von oben;
-
Figur 9 - einen Schnellwechsler mit einer zweiten Ausführungsform einer Fanghakenanordnung in einem demontierten Zustand;
-
Figur 10 - einen Fanghaken der Ausführungsform von
undFigur 9 -
Figur 11 - den Schnellwechsler von
mit der zweiten Ausführungsform einer Fanghakenanordnung im montierten Zustand.Figur 9
- FIG. 1
- a quick coupler with a catch hook arrangement in a perspective;
- FIG. 2
- an enlarged detail view A of
FIG. 1 ; - FIG. 3
- the quick coupler from
FIG. 1 without catch hook arrangement in a perspective; - FIG. 4
- an enlarged detail view B of
FIG. 3 ; - FIG. 5
- the quick coupler from
FIG. 1 in a side view; - FIG. 6
- an enlarged detail view C of
FIG. 5 ; - FIG. 7
- a cross section of the separation point between a fishing hook and the carrier at a load from below;
- FIG. 8
- a cross section of the separation point between a fishing hook and the carrier at a load from above;
- FIG. 9
- a quick coupler with a second embodiment of a fishing hook assembly in a disassembled state;
- FIG. 10
- a fishing hook of the embodiment of
FIG. 9 and - FIG. 11
- the quick coupler from
FIG. 9 with the second embodiment of a fishing hook assembly in the assembled state.
In
Der gezeigte Schnellwechsler 1 enthält einen als Schweiß- oder als Gussteil ausgeführten Träger 2, der an einer Seite nach vorne offene erste Aufnahmen 3 zur Aufnahme und Halterung eines ersten bolzenförmigen Kopplungselements und an der anderen Seite nach unten offene zweite Aufnahmen 4 zur Aufnahme eines zweiten bolzenförmigen Kopplungselements enthält. Die nach vorne offenen ersten Aufnahmen 3 sind klauen- oder gabelförmig ausgeführt. Die nach unten offenen Aufnahmen 4 weisen eine gekrümmte untere Anlagefläche 5 zur Anlage des zweiten bolzenförmigen Kopplungselements auf. Der Träger 2 enthält in
In der gezeigten Ausführung enthält der Träger 2 an der einen Seite zwei klauenförmige erste Aufnahmen 3 für ein erstes Kopplungselement und an der anderen Seite zwei Aufnahmen 4 für ein zweites Kopplungselement. An zwei an der Oberseite des Trägers 2 angeordneten parallelen Seitenteilen 8 sind außerdem durchgängige Aufnahmeöffnungen 9 für nicht dargestellte Befestigungsbolzen zur Befestigung des Schnellwechslers 1 an einem Ausleger eines Baggers oder einem Anschlussteil eines anderen Baufahrzeugs vorgesehen.In the embodiment shown, the
Um mit Hilfe des Schnellwechslers 1 ein Anbaugerät anzukuppeln, wird der in der Regel an einem Ausleger eines Baggers angeordnete Schnellwechsler 1 zunächst so bewegt, dass ein z.B. an einem Adapter oder an dem Anbaugerät angeordnetes erstes Kopplungselement 5 in die klauenförmigen Aufnahmen 3 auf der einen Seite des Schnellwechslers 1 eingefahren wird. Dann wird der Schnellwechsler 1 mit noch zurückgezogenen Verriegelungselementen 7 um das erste bolzenförmige Kopplungselement 5 so geschwenkt, dass ein zweites Kopplungselement am Adapter oder Anbaugerät zur Anlage an den Anlageflächen 5 der nach unten offenen Aufnahmen 4 auf der anderen Seite des Schnellwechslers 1 gelangt. Anschließend können die in den Führungsbohrungen 6 im Träger 2 des Schnellwechslers 1 verschiebbar angeordneten bolzenförmigen Verriegelungselemente 7 hydraulisch ausgefahren werden, so dass das zweite bolzenförmige Kopplungselement von den beiden Verriegelungselementen an dem Schnellwechsler 2 untergriffen und das Anbaugerät somit an dem Schnellwechsler 1 gehalten wird.In order to couple an attachment with the aid of the
Um zu verhindern, dass sich ein an den Schnellwechsler 1 angekoppeltes Anbaugerät bei einer durch Fehlbedienung oder Störungen bedingten, unbeabsichtigten Lösebewegung des Verriegelungselements 7 von dem Schnellwechsler löst und dann evtl. in einer angehobenen Stellung des Schnellwechslers herabfällt, ist an dem Träger 2 eine in
Bei der gezeigten Ausführung umfasst die Fangeinrichtung 10 zwei separate Fanghaken 11, die über eine zerstörungsfrei lösbare Schraub- oder Stiftverbindung mit dem Träger 2 verbunden sind. Hierzu weist der Träger 2 gemäß
In den
Aus diesen Darstellungen geht hervor, dass der Fanghaken 11 in beiden Belastungsfällen von dem Verbindungssteg 12 "herausgedreht" und dadurch das nicht dargestellte bolzenförmige Verbindungselement 18 auf Abscherung beansprucht wird.It can be seen from these illustrations that the
Wenn sich z.B. ein Bagger über den Fanghaken 11 am Boden abstützt und dadurch der Fanghaken 11 mit einer Kraft in Pfeilrichtung U von
Wird dagegen der Fanghaken 11 aufgrund einer Fehlbelastung von oben mit einer Kraft in Pfeilrichtung O von
Darüber hinaus ist der Fanghaken 11 derart ausgestaltet, dass der oberhalb der Verbindungsnut 13 zwischen der vorderen Kante 19 und der als Bohrung ausgeführten Aufnahme 16 liegende Bereich C des Fanghakens 11 einen größeren Querschnitt als der unterhalb der Verbindungsnut 13 zwischen der vorderen Kante 19 und der als Bohrung ausgebildeten Aufnahme 16 liegende Bereich A aufweist.In addition, the
In den
Wie aus
- 11
- SchnellwechslerQuick coupler
- 22
- Trägercarrier
- 33
- Erste AufnahmeFirst recording
- 44
- Zweite AufnahmeSecond shot
- 55
- Anlageflächecontact surface
- 66
- Führungsbohrungguide bore
- 77
- Verriegelungselementlocking element
- 88th
- Seitenteilside panel
- 99
- Aufnahmeöffnungreceiving opening
- 1010
- Fangeinrichtungcatcher
- 1111
- Fanghakenhook
- 1212
- Verbindungsstegconnecting web
- 1313
- Verbindungsnutcommunicating
- 1414
- Äußere AnlageflächeExternal contact surface
- 1515
- Innere AnlageflächeInner contact surface
- 1616
- Aufnahmeadmission
- 1717
- Aufnahmeadmission
- 1818
- Verbindungselementconnecting element
- 1919
- Vordere Kante des FanghakensFront edge of the catch hook
- 2020
- Vordere Kante des VerbindungsstegsFront edge of the connecting bridge
- 2121
- Querbohrungcross hole
- 2222
- Querstiftcross pin
- 2323
- Schenkelleg
- 2424
- Bohrungdrilling
- 2525
- Sicherungsringcirclip
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017130439.8A DE102017130439A1 (en) | 2017-12-19 | 2017-12-19 | Quick coupler |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3502357A1 true EP3502357A1 (en) | 2019-06-26 |
EP3502357B1 EP3502357B1 (en) | 2023-02-15 |
Family
ID=64559515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18209114.0A Active EP3502357B1 (en) | 2017-12-19 | 2018-11-29 | Quick changer |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3502357B1 (en) |
DE (1) | DE102017130439A1 (en) |
DK (1) | DK3502357T3 (en) |
ES (1) | ES2939846T3 (en) |
FI (1) | FI3502357T3 (en) |
HU (1) | HUE061563T2 (en) |
PL (1) | PL3502357T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3851588A1 (en) | 2020-01-16 | 2021-07-21 | Lehnhoff Hartstahl GmbH | Quick change device |
CN116180827A (en) * | 2023-03-17 | 2023-05-30 | 东莞市卡松机械设备有限公司 | Universal connector with connection function |
Citations (7)
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CH500346A (en) * | 1969-04-17 | 1970-12-15 | Pallotti Umberto | Device for the detachable fastening of the interchangeable tooth and knife front parts on earth moving devices or agricultural machines |
WO1994002405A1 (en) * | 1992-07-27 | 1994-02-03 | Gilmore Transportation Services, Inc. | Coupling for heavy-duty machine |
JP2002327471A (en) * | 2001-05-02 | 2002-11-15 | Komatsu Ltd | Bucket tooth and pin, and fastening body for them |
WO2004038110A1 (en) * | 2002-10-24 | 2004-05-06 | Bruce Archibald Short | Connector for earth moving implements |
EP2119834A2 (en) * | 2008-05-15 | 2009-11-18 | Mantovanibenne S.r.l. | An attachment organ for coupling a tool to an operating arm with a safety block |
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 |
US20120093572A1 (en) * | 2009-08-12 | 2012-04-19 | Everdigm Corp. | Attachment coupler for heavy machinery |
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DE2249268A1 (en) * | 1972-10-07 | 1974-04-11 | Ley Maschf W | LEVELING DEVICE FOR HANGING IN THE FRONT AND REAR LOADER ARMS WITH HYDRAULICALLY SWIVELING LOADING SHOVEL |
US5974706A (en) | 1997-03-10 | 1999-11-02 | Clark Equipment Company | Attachment construction for earthworking implement |
IE981051A1 (en) * | 1997-12-16 | 1999-06-16 | Redrock Engineering Ltd | Attachement device for excavating or digging apparatus |
EP1312720B1 (en) * | 2001-11-19 | 2004-06-16 | Mantovanibenne S.r.l. | Rapid tool coupling device |
US6979167B2 (en) * | 2002-10-16 | 2005-12-27 | Rockland, Inc. | Excavator coupler assembly |
AR046804A1 (en) * | 2003-04-30 | 2005-12-28 | Esco Corp | ASSEMBLY COUPLING ASSEMBLY FOR EXCAVATOR SHOVEL |
FR2900170A1 (en) * | 2006-04-21 | 2007-10-26 | Innovation Equipement Sarl | Bucket coupling device for excavator, has central reducer passing hydraulic oil into casing for releasing pistons to lock bucket in arm, and lateral reducers passing oil into casing for re-positioning piston to unlock bucket from arm |
US7866935B1 (en) * | 2008-12-11 | 2011-01-11 | TAG Manufacturing, Inc. | Manually operated coupler |
EP2510160B1 (en) * | 2009-12-11 | 2019-08-07 | CQMS Pty Ltd | A lock assembly for an excavator wear assembly |
-
2017
- 2017-12-19 DE DE102017130439.8A patent/DE102017130439A1/en not_active Withdrawn
-
2018
- 2018-11-29 DK DK18209114.0T patent/DK3502357T3/en active
- 2018-11-29 ES ES18209114T patent/ES2939846T3/en active Active
- 2018-11-29 FI FIEP18209114.0T patent/FI3502357T3/en active
- 2018-11-29 EP EP18209114.0A patent/EP3502357B1/en active Active
- 2018-11-29 HU HUE18209114A patent/HUE061563T2/en unknown
- 2018-11-29 PL PL18209114.0T patent/PL3502357T3/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CH500346A (en) * | 1969-04-17 | 1970-12-15 | Pallotti Umberto | Device for the detachable fastening of the interchangeable tooth and knife front parts on earth moving devices or agricultural machines |
WO1994002405A1 (en) * | 1992-07-27 | 1994-02-03 | Gilmore Transportation Services, Inc. | Coupling for heavy-duty machine |
JP2002327471A (en) * | 2001-05-02 | 2002-11-15 | Komatsu Ltd | Bucket tooth and pin, and fastening body for them |
WO2004038110A1 (en) * | 2002-10-24 | 2004-05-06 | Bruce Archibald Short | Connector for earth moving implements |
EP2119834A2 (en) * | 2008-05-15 | 2009-11-18 | Mantovanibenne S.r.l. | An attachment organ for coupling a tool to an operating arm with a safety block |
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 |
US20120093572A1 (en) * | 2009-08-12 | 2012-04-19 | Everdigm Corp. | Attachment coupler for heavy machinery |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3851588A1 (en) | 2020-01-16 | 2021-07-21 | Lehnhoff Hartstahl GmbH | Quick change device |
DE102020100991A1 (en) | 2020-01-16 | 2021-07-22 | Lehnhoff Hartstahl Gmbh | Quick coupler |
EP4159928A1 (en) | 2020-01-16 | 2023-04-05 | Lehnhoff Hartstahl GmbH | Quick change quick change device |
CN116180827A (en) * | 2023-03-17 | 2023-05-30 | 东莞市卡松机械设备有限公司 | Universal connector with connection function |
Also Published As
Publication number | Publication date |
---|---|
PL3502357T3 (en) | 2023-05-29 |
EP3502357B1 (en) | 2023-02-15 |
FI3502357T3 (en) | 2023-05-08 |
DK3502357T3 (en) | 2023-05-01 |
ES2939846T3 (en) | 2023-04-27 |
DE102017130439A1 (en) | 2019-06-19 |
HUE061563T2 (en) | 2023-07-28 |
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