EP1727946B1 - Dispositif de changement rapide comprenant un couplage hydraulique pour des supports situes sur un appareil de construction - Google Patents

Dispositif de changement rapide comprenant un couplage hydraulique pour des supports situes sur un appareil de construction Download PDF

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Publication number
EP1727946B1
EP1727946B1 EP05728946A EP05728946A EP1727946B1 EP 1727946 B1 EP1727946 B1 EP 1727946B1 EP 05728946 A EP05728946 A EP 05728946A EP 05728946 A EP05728946 A EP 05728946A EP 1727946 B1 EP1727946 B1 EP 1727946B1
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EP
European Patent Office
Prior art keywords
valve
quick
coupling
adapter plate
locking bolt
Prior art date
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Active
Application number
EP05728946A
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German (de)
English (en)
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EP1727946A1 (fr
Inventor
Peter Alexander Lehnhoff
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Lehnhoff Hartstahl GmbH and Co KG
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Lehnhoff Hartstahl GmbH and Co KG
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Priority to PL05728946T priority Critical patent/PL1727946T3/pl
Publication of EP1727946A1 publication Critical patent/EP1727946A1/fr
Application granted granted Critical
Publication of EP1727946B1 publication Critical patent/EP1727946B1/fr
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    • 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
    • E02F9/2267—Valves or distributors
    • 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

Definitions

  • the invention relates to a quick-change device with a hydraulic coupling for media on a construction equipment according to the specified in the preamble of claim 1.
  • the said media which are to be connected by the hydraulic coupling with each other, serve to drive, for example, tools or other hydraulically actuated actuators. Therefore, they do not necessarily consist of a high-pressure hydraulic oil;
  • the invention relates to all liquid and gaseous media.
  • the quick-change device consists of a quick-change mechanism arranged on the front-end loader and an adapter plate arranged on a tool, for example a fork with hydraulically positionally adjustable forks in its position.
  • the quick coupler For coupling the hydraulic lines of the muzzle loader with the hydraulic lines of the tool, the quick coupler has first coupling valves as part of the hydraulic coupling for media, which are assigned to the adapter plate arranged second clutch valves.
  • the quick coupler is pivoted about a pivot axis until it engages in a recess of the adapter plate.
  • the adapter plate with the tool is lifted over the quick coupler by a swivel arm of the muzzle loader.
  • the tool aligns with the adapter plate due to gravity to the quick coupler.
  • a locking mechanism of the quick-change device a firm connection of the quick coupler with the adapter plate.
  • a locking bolt is moved parallel to the pivot axis in corresponding openings of the adapter plate.
  • an actuating device With the displacement of the locking bolt, an actuating device is activated, which couples the coupling valves perpendicular to the direction of displacement of the locking bolt.
  • the actuating device has a transmission member with a roller which is moved along a control cam of a pivotally mounted control lever with actuation of the locking bolt. By passing the roller over the cam, the control lever against the force of a spring pushes a male coupling valve of the quick coupler / muzzle loader into the associated coupling valve of the adapter plate / tool in the direction away from the latch bolt.
  • the coupling of the quick coupler and the coupling valves is carried out by a linear movement.
  • This construction is very complicated to manufacture, since it consists of many individual parts.
  • this hydraulic clutch is very prone to failure, because the Actuator exposed to dirt and grime. It occurs through the operation of the muzzle load dirt between the individual parts of the actuator, which leads to wear very quickly.
  • the actuator can even be blocked by the dirt.
  • the dirt particles which penetrate into the female coupling valve remain in the local receiving bore and are introduced into the oil circuit after the medium has been closed.
  • the hydraulic units are subjected to an inadmissible contamination load.
  • exact coupling is no longer possible and there is undesirable leakage of the hydraulic clutch.
  • the quick coupler is provided on its underside with a first hydraulic clutch valve and is attached to a horizontal pivot axis on one side pivotally mounted on a bucket of an excavator.
  • the quick coupler opposite adapter plate which is a second hydraulic clutch valve, is connected to an accessory, eg. B. a swivel spoon arranged.
  • the quick coupler is hacked on a pivot axis of the adapter plate and pivots to the adapter plate. At the side remote from this pivot axis of the adapter plate acts a locking device of the quick-change device between quick coupler and adapter plate to connect them firmly together.
  • the well-known swivel lock the quick-change device is characterized in that during the pivoting of the quick coupler on the device-side adapter plate first, the hydraulic coupling between the opposing coupling valves is made and then takes place only the locking of the quick-change device.
  • the invention has the object of providing a quick-change device with a hydraulic coupling device for media on a construction equipment or the like according to the type mentioned in the preamble of claim 1 such that a largely protected against contamination, low-wear and low-backlash hydraulic coupling is guaranteed.
  • the invention is based on the finding that the actuating device for a hydraulic clutch in the region of the end of the locking bolt and the associated recess in the adapter plate, whereby a significantly more compact design and protection against damage during operation is achieved in a simple manner.
  • the actuating device is formed by the formation of the ends of the locking bolt and the corresponding opening of the adapter plate.
  • a respective coupling valve of the hydraulic clutch is arranged in each case at the free pivotable end of the quick coupler and the adapter plate.
  • the hub acts on a connected to the upper coupling valve yoke at the free, pivotable end of the quick coupler, which operates a floating valve block in the upper coupling valve, which is mounted biased with an elastomeric Abdgurelement on the upper coupling valve.
  • the locking bolt executes a short stroke, which is also referred to as an overstroke, because the quick coupler in the locked state against the adapter plate-side locking plate leads to an additional hub.
  • This short stroke is transmitted as a lifting movement to the upper coupling valve at the free, pivotable end of the quick coupler, which in turn actuates a floating valve block in the upper coupling valve, which is biased by an elastomeric spring mounted on the upper coupling valve.
  • This short stroke on the quick coupler is sufficient to guide the floating and spring-biased upper coupling valve against the fixed lower coupling valve on the adapter plate so as to bring the two bodies of the coupling valves in the open position.
  • the locking bolt preferably has a conical end, which causes the stroke movement of the coupling valves towards one another when they engage in the shape-adapted recess of the adapter plate.
  • connection between the quick coupler and the adapter plate of a one-sided pivot bearing engages at the remote end of the locking bolt in the recess of the adapter plate in the direction perpendicular to the pivot axis of this pivot bearing.
  • An essential feature of the invention is also that the mutually associated coupling valves in a conventional manner perform a pivot lock and the lower coupling valve at the free, rear end of the adapter plate of a tool to be coupled a bucket and the like is arranged, while the opposite upper Coupling valve is connected to the free, pivotable end of the quick coupler, which is connected to the excavator handle.
  • a displaceably driven locking bolt is arranged, which has a cone end, which in the locked state in an associated cone breakthrough on a locking plate of the adapter plate intervenes. With a stroke generated by the locking bolt by its penetrating into the cone breakthrough of the locking plate cone end, the two coupling valves are pressed against each other and transferred to the flow state.
  • the quick coupler in the direction of its pivotal movement on the adapter plate with produced locking still performs an overstroke of, for example, 6 mm in length, and this 6 mm stroke are implemented in 3 mm backlash on the floating valve block of the upper coupling valve plus a 3 mm Opening path of the now fixed valve block in the direction of the fixed lower coupling valve.
  • the inventive design of the lock in the quick-change device has the advantage that at Locking operation, the locking bolts exert a supporting function substantially in the upper lateral surface half of the frustoconical region and the oblique clamping surface of the quick coupler over the entire surface slides on the inclined clamping surface of the latch plate, so that at the same time a multiaxial bracing of adapter and implement takes place with the initiation of the locking process.
  • the quick coupler is pressed forward against the coupling axis, and by the preferably elliptical space between the locking bolt and cone openings in the locking plate ensures that the locking bolts constantly nachit, so they can move into the locked position.
  • the under bias, in particular spring preload, locking bolts thus assume a low-voltage function, wherein a surface pressure between the above-mentioned inclined surfaces is formed by the system of receiving claws on the coupling axis.
  • the drive of the switching shaft of the locking device can be done both mechanically and hydraulically, in the mechanical embodiment, a buckling mechanism with locking over the dead center and in the hydraulic embodiment, the articulation of the locking bolt via a pendulum pressure equalization bridge and a hydraulic cylinder.
  • the adapter plate 12 comprises a base plate 14, on which at one end a locking plate 16 and at the opposite end by means of fastening tabs 17, a pivot bearing axis / coupling axis 19 are welded.
  • the latch plate 16 has on the side facing the coupling axis a clamping surface 20 which is inclined to a vertical surface of the adapter plate 12 by 3 to 35 degrees, preferably by 5 to 15 degrees.
  • the locking plate 16 is further provided with two spaced-apart and conically shaped in cross-section cone openings 21 and 22.
  • the cone angle of the conical breakthroughs 21, 22 bounded by conical surface areas is dimensioned accordingly and amounts to in the illustrated embodiment 5 to 15 degrees.
  • the approximately rectangular quick coupler 30 has on its side surfaces depending on a receiving claw 31, which in the retracted state - see FIG. 2 - Embrace the coupling axis 19.
  • the located between the receiving claws 31 end face of the quick coupler 30 merges into a cylindrical jacket-shaped abutment surface 32, which - as well FIG. 2 shows - in the retracted state is supported on the cylinder surface of the clutch axis 19.
  • the opposite end face 34 is by 3 to 35 degrees, preferably by 5 to 15 degrees, relative to the vertical - corresponding to the clamping surface 20 of the locking plate 16 - inclined and also has two apertures 35, through each a longitudinally displaceable in the quick coupler 30 driven latch bolt 36th can pass through.
  • Each locking bolt 36 has a arranged in a blind bore 37 spring 38 which is supported with its free end on a spring plate 39, which is associated with the end face of an angle lever 41.
  • the angle lever 41 is articulated by means of a connecting bolt 42 to a switching cam 43 which is fixedly connected to a switching shaft 44. Via a connecting bolt 45, which engages through a slot 46 at the facing end of the locking bolt 36, the facing arm of the angle lever 41 is pivotally connected to the locking bolt 36.
  • the remote cone ends 50 of the locking bolt 36 are frusto-conical with a cone angle of 5 to 15 degrees and correspond to the openings 21, 22 in the latch plate 16, as is also made FIG. 2 is clearly visible.
  • the quick coupler 30 In this engaged position, the quick coupler 30 is located between abutting against the coupling axis 19 abutment surface 32 and the clamping surface 20 of the latch plate 16.
  • the locking bolt 36 brace the quick coupler 30 on the adapter plate 12 as a result of when moving the locking bolt 36 from the in FIG. 1 shown Resting in the in FIG. 2 illustrated engagement as a wedge gear acting conical shell faces and form the second load-bearing bearing of the quick-change device 10, which is the first bearing point forming coupling axis 19, which is encompassed by the receiving claws 31, opposite.
  • the Verrieglungs annoying is arranged with its Verrieglungsantrieb on the baggerstiel disorderen quick coupler.
  • the locking drive can be arranged on the tool-side adapter plate.
  • FIG. 3 shows that on the adapter plate 30, a suspension 7 is fixed, which consists of two mutually parallel and spaced side walls. In each side wall two spaced-apart receptacles 7, 8 are provided for engagement of a (not shown) receiving pin of an excavator handle.
  • the lower coupling valve - valve body 1 - is arranged, which has an upper connection surface 2, in the region of the media feedthroughs are arranged.
  • the upper coupling valve - valve upper part 3 - is arranged at the rear free, pivotable end of the quick coupler 30, which has on its underside a connection surface 5 with the local arrangement of media ducts.
  • the valve upper part 3 is otherwise attached to a yoke 4 which is fixed on the quick coupler 30.
  • the two parts 12, 30 of the Verrieglungsvoriques are thus pivotally formed in the direction of arrow 6 against each other and the respective pivotable, free end are the associated media couplings consisting of Ventilober- and -unterteil 1, 3 attached.
  • the FIG. 2 shows the complete closing operation of the two coupling valves 1, 3 with manufactured media feedthrough. It is important that the locking has already carried out the overstroke, because the cone end 50 of the locking bolt 36 is fully retracted in the associated cone opening 21 of the latch plate 16.
  • the spreading force of the flowing in the media flows high pressure oil is overcome.
  • the spreading force is relatively large, because the high pressure oil presses on a relatively large area in the valve cross-sections and tries tondelspreizen the two valve connection surfaces.
  • This Abdschreibterrorism is avoided by the high pressure force, which is achieved by the excess stroke of the immersion of the cone end 50 in the cone opening 21.
  • the counter bearing is formed by the Abdschreibelement, the spring rubber 23.
  • FIG. 3 shows further details in which already the lock between the adapter plate 12 and the quick coupler 30 has been made, but not yet the overtravel of the connection for producing a liquid flow of the coupling valves 1, 3rd
  • valve body 1 is secured with a Anschraubblock 61 fixed to the back of the latch plate 16 and the valve head 3 is fixed in a floating manner on the yoke 4, which in turn is attached to the quick coupler 30.
  • FIG. 3 shows that, when the cone end 50 plunges into the cone opening 21 of the locking plate 16, the adapter plate 30 executes an overstroke movement directed in the direction of the arrow 11, whereby the two mutually associated coupling valves 1, 3 are moved relative to one another and brought into the throughflow position.
  • FIG. 4 shows an enlarged view of FIG. 3 , wherein the two coupling valves 1, 3 in the region of their connection surfaces 2, 5 lie on each other.
  • FIG. 4 shows that in the area of the clamping surfaces 20 only a very small clearance between the adapter plate 12 and the quick coupler 30 is present and that further the two coupling valves 1, 3 sealed virtually no play - by the gasket 13 - lie on one another. Only when overcoming the immersion depth 15, the mutual valve opening takes place.
  • valve body 1 is secured by means of adjusting plates 57 fixed to the back of the locking plate 16. These adjusting plates 57 are used for accurately fitting the valve body. 1
  • the upper valve part 3 is floating in the direction of the closing movement - arrow direction 11.
  • a guide screw 25 is arranged per valve in a recess in the yoke 4, the bolt-side end is fixedly connected to a rotary member 24.
  • the bolt-side end of the guide screw 25 is screwed into an associated threaded bore on the valve block 60 of the valve upper part 3.
  • the floating mounting of the upper valve part 3 in the yoke 4 is also characterized by a lateral clearance 28, as in FIG. 4 located.
  • the underside of the rotary member 24 is in this case on a support surface 26 in the region of the recess in the yoke 4.
  • valve block 60 There is a Abdrückvorrauma for the valve block 60 is provided, which consists in the illustrated embodiment of an elastomeric spring rubber 23 which abuts with its one end on the underside of the yoke 4 and rests with its other end floating on the surface of the valve block 60.
  • this rubber spring 23 has the advantage that the ingress of dirt on the upper side of the upper valve part 3 is avoided and that, moreover, the entire upper valve part 3 is guided in a floating fashion on the guide screw 25.
  • the spring rubber 23 of the Abdrückianas is otherwise biased by tightening the respective guide screw 25 and is formed spectacle-shaped circumferentially, so that his front pages support and centering on the entire surface of the upper valve part 3 press.
  • the entire upper valve part 3 is kept floating parallel and tilt-free to the bottom of the yoke 4.
  • a screw-in housing 54 is screwed tightly, in the interior of which a spring-loaded valve disk 29 is displaceably arranged.
  • the conical surface of the valve disk 29 presses sealingly onto a sealing surface 33 in the screw-in housing 54.
  • the screw-in housing 54 opens into an upper oil connection 56.
  • the position shown in FIG. 4 is a sealing state in which the flat gasket 13 sealingly rests on the upper side of the valve housing 47 on the valve body 1.
  • valve body 1 a rigid valve disk 40 is arranged, which is supported with its conical sealing surface on an associated sealing surface 48 in the displaceably designed valve housing 47.
  • the floating and spring-loaded valve housing 47 is slidably mounted in the Einschraubgephaseuse 53 in the valve body 1. It is preloaded with the drawn spring in the axial stroke direction.
  • valve housing 47 is thereby held with this spring in the closed position against the sealing surface of the flat gasket 13 in the upper valve part 3.
  • the valve body 1 is assigned to the oil connection 55.
  • connection surfaces 2, 5 of the two coupling valves 1, 3 are sealingly juxtaposed, without a media flow being provided via the oil connections 55, 56.
  • This media flow is only opened when the cone end 50 of the locking bolt 36 completely in the cone breakthrough 21 of the latch plate 16 dips to the immersion depth 15 and in this case the quick coupler 30 is pulled in the direction of arrow 11 down. For example, a stroke of 3 mm is then carried out.
  • the support surface 58 is made free of play, d. h., That the upper valve part 3 fits snugly against the underside of the yoke 4. It can be provided in the region of the support surface 58 and an axial play, because possibly the spring force of the spring rubber 23 is set so strong that the Abdrückkraft the spring rubber is sufficient to open the media flow.
  • a cleaning device may be provided which cleans the facing surfaces 2, 5 of valve upper and lower parts wet or dry before the media flow between the coupling valves 1, 3 is produced.
  • a cleaning device can work with a high-pressure spray jet of a windshield washer fluid or with gas pressure and / or provide mechanical cleaning with a wiper or scraping element.
  • guide screw 25 is arranged in series several times lying one behind the other, so as to form a completely safe and tilt-free guidance of extending over the entire length of the valve block, floating valve upper part 3.

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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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Claims (11)

  1. Dispositif de changement rapide comprenant un couplage hydraulique pour des supports situés sur un appareil de construction, composé d'un changeur rapide (30) fixé côté dispositif, qui est verrouillable avec une plaque d'adaptation (12) fixée côté outil, sachant que le changeur rapide (30) comprend un boulon de verrouillage (36) à entraînement mobile, qui est insérable dans un évidement correspondant (21) de la plaque d'adaptation (12), avec un dispositif d'actionnement (50, 21, 22) en interaction avec le boulon de verrouillage (6) pour la fermeture/ouverture du couplage hydraulique dans le sens vertical par rapport au sens de fermeture du boulon de verrouillage (36), sachant que sur le changeur rapide (30) et la plaque d'adaptation (12) est placée respectivement une vanne de couplage (1,3) et avec un mouvement de levage du dispositif d'actionnement (21, 22, 50) les deux vannes de couplage (1,3) comprimées l'une contre l'autre peuvent être mises en position de passage, caractérisé en ce que le dispositif d'actionnement est formé par la formation des extrémités (50) du boulon de verrouillage (36) et de l'ouverture correspondante (21, 22) de la plaque d'adaptation (12), qu'une vanne de couplage (1, 3) d'un bloc de vannes produisant un couplage hydraulique est placée respectivement sur l'extrémité pivotable librement du changeur rapide (30) et de la plaque d'adaptation (12), et que la levée agit sur une culasse (4) sur l'extrémité pivotable librement du changeur rapide (30) qui actionne un bloc de vannes (60) monté libre dans la vanne de couplage supérieure, qui est logée avec un élément détacheur élastomère (caoutchouc élastique 23) avec précontrainte sur la vanne de couplage (3).
  2. Dispositif de changement rapide selon revendication 1 ou 2 caractérisé en ce que le boulon de verrouillage (36) présente une extrémité de cône (50) qui lors de l'insertion dans l'évidement (21, 22) adapté à la forme de la plaque d'adaptation (12) provoque le mouvement de levée des vannes de couplage (1, 3) l'une vers l'autre.
  3. Dispositif de changement rapide selon l'une des revendications précédentes, caractérisé en ce que la liaison entre le changeur rapide (30) et la plaque d'adaptation (12) est composée d'un palier de pivotement (19, 30, 31) à un côté sur l'extrémité éloignée duquel le boulon de verrouillage (36) s'enclenche dans l'évidement (21, 22) de la plaque d'adaptation (12) dans le sens vertical para rapport à l'axe de pivotage de ce palier de pivotement (19, 30, 31).
  4. Dispositif de changement rapide selon l'une des revendications précédentes caractérisé en ce que les vannes de couplage (1, 3) sont conçues en tant que vannes de courte portée avec une course d'ouverture/fermeture située dans une plage de 1 à 8 mm.
  5. Dispositif de changement rapide selon l'une des revendications précédentes caractérisé en ce que la vanne de couplage inférieure (1) est fixée sur le côté arrière de la plaque de verrouillage (16) au moyen d'une tôle de réglage (57).
  6. Dispositif de changement rapide selon l'une des revendications précédentes caractérisé en ce que la vanne de couplage (3) supérieure est par conséquent montée libre dans le sens de la fermeture - sens de la flèche (11), que pour chaque vanne de couplage (3) une vis de guidage (25) est placée dans un évidement de culasse (4), dont l'extrémité côté boulon est reliée avec une pièce pivotante (24), qui s'appuie dans l'évidement et l'extrémité côté boulon de la vis de guidage (25) est vissée dans un taraudage correspondant sur le bloc de vannes (60) de la vanne de couplage supérieure (3) avec un jeu axial et une distance latérale (28) .
  7. Dispositif de changement rapide selon l'une des revendications précédentes, caractérisé en ce que dans le bloc de vannes (60) de la vanne de couplage supérieure (3) un boîtier (54) est vissé à l'intérieur duquel un disque de vanne (29) est placé avec ressort et la surface de cône du disque de vanne (29) se comprime de manière étanche sur une surface d'étanchement (33) dans le boîtier à visser (54) sachant que le boîtier à visser (54) débouche dans un raccord pour l'huile (56).
  8. Dispositif de changement rapide selon l'une des revendications précédentes, caractérisé en ce que la partie inférieure du boîtier à visser (54) est formée en une partie frontale en forme de base dans la transversale (18) en saillie dans la direction axiale de mouvement, dans la zone de laquelle un joint plat (13) est placé, sachant que la partie frontale (18) forme le lien d'actionnement pour la vanne de couplage inférieure (1).
  9. Dispositif de changement rapide selon l'une des revendications précédentes, caractérisé en ce que dans la vanne de couplage inférieure (1) un disque de vanne fixe (40) est placé, qui s'appuie de manière étanche avec sa surface d'étanchement conique sur une surface d'étanchement correspondante (48) dans le boîtier de vanne conçu de manière mobile, qui est logé de manière mobile sur ressort dans un boîtier à visser (53) de la vanne de couplage inférieure (1).
  10. Dispositif de changement rapide selon l'une des revendications précédentes caractérisé en ce que le débit de fluide est ouvert, lorsque l'extrémité de cône (50) du boulon de verrouillage (36) plonge essentiellement entièrement dans l'évidemment - une ouverture de cône (21) - de la plaque d'adaptation (12) et en même temps attire le dispositif de changement rapide (30) contre la plaque d'adaptation (12) avec le mouvement de levée.
  11. Dispositif de changement rapide selon l'une des revendications précédentes caractérisé en ce que pour la production du débit de fluide, le mouvement de levée soulève le palier libre du bloc de vannes (60) sur la vanne de couplage supérieure (3) sur la culasse (4) et le bloc de vannes (60) est comprimé sous la maîtrise de la tension de ressort de caoutchouc élastique (23) vers le bas contre la vanne de couplage inférieure (1), sachant que le boîtier à visser supérieur (54) butte avec sa partie frontale (18) contre le boîtier de vanne libre (47) dans la vanne de couplage inférieure (1) et soulève le joint sur la surface d'étanchement (48) du disque de vanne (40), par l'intermédiaire duquel le débit d'huile est libéré à travers la vanne de couplage inférieure (1) et que le disque de vanne (29) se soulève simultanément de sa surface d'étanchement conique (33), par l'intermédiaire duquel le débit d'huile est aussi libéré dans la vanne de couplage supérieure (3).
EP05728946A 2004-03-24 2005-03-24 Dispositif de changement rapide comprenant un couplage hydraulique pour des supports situes sur un appareil de construction Active EP1727946B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05728946T PL1727946T3 (pl) 2004-03-24 2005-03-24 Urządzenie do szybkiej wymiany ze sprzęgłem hydraulicznym dla mediów na urządzeniu budowlanym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004014824.4A DE102004014824B4 (de) 2004-03-24 2004-03-24 Schnellwechselvorrichtung mit einer hydraulischen Kupplung für die Medien an einem Baugerät
PCT/EP2005/003197 WO2005093171A1 (fr) 2004-03-24 2005-03-24 Dispositif de changement rapide comprenant un couplage hydraulique pour des supports situes sur un appareil de construction

Publications (2)

Publication Number Publication Date
EP1727946A1 EP1727946A1 (fr) 2006-12-06
EP1727946B1 true EP1727946B1 (fr) 2010-08-11

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EP05728946A Active EP1727946B1 (fr) 2004-03-24 2005-03-24 Dispositif de changement rapide comprenant un couplage hydraulique pour des supports situes sur un appareil de construction

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EP (1) EP1727946B1 (fr)
AT (1) ATE477378T1 (fr)
DE (2) DE102004014824B4 (fr)
ES (1) ES2350819T3 (fr)
PL (1) PL1727946T3 (fr)
WO (1) WO2005093171A1 (fr)

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JP5135328B2 (ja) 2006-04-20 2013-02-06 キャタピラー インコーポレイテッド クイックカプラ
DE102006023420B4 (de) 2006-05-17 2013-02-28 Lehnhoff Hartstahl Gmbh & Co. Kg Schnellwechselvorrichtung
AT505238B1 (de) * 2007-06-13 2016-03-15 Martin Holding Gmbh Kupplung
AT506554B1 (de) * 2008-03-20 2011-11-15 Alois Ing Wimmer Kupplungsvorrichtung mit einer einrichtung zum automatischen verbinden von energieleitungen
CH699404A1 (de) * 2008-08-25 2010-02-26 Josef Martin Gmbh & Co Kg Energieträgerkupplung, sowie Kupplung mit Energieträgerkupplung.
DE102010016491B4 (de) * 2010-04-16 2012-09-27 Lehnhoff Hartstahl Gmbh & Co. Kg Schnellwechselvorrichtung zum Ankuppeln eines Werkzeugs an eine Arbeitsmaschine
US8833480B2 (en) 2011-06-24 2014-09-16 Caterpillar Inc. Coupler with visibility window
AT513587A1 (de) * 2012-10-15 2014-05-15 Perwein Baumaschinen Systeme Gmbh Vorrichtung zur Verbindung von Leitungen
DE102015210860A1 (de) * 2015-06-12 2016-12-15 Lehnhoff Hartstahl Gmbh & Co. Kg Schnellwechsler
WO2018074937A1 (fr) * 2016-10-21 2018-04-26 Doherty Engineered Attachments Limited Ensemble de couplage et élément de fixation comprenant un élément de couplage
FR3072981B1 (fr) * 2017-10-26 2021-03-19 Groupe Mecalac Dispositif de connexion automatique entre un outil et un porte-outil d'engin de chantier ou de travaux publics
DE102019106850A1 (de) * 2019-03-18 2020-09-24 Oilquick Deutschland Gmbh Adapter für ein Schnellwechselsystem und Schnellwechselsystem mit einem solchen Adapter
DE202019101747U1 (de) 2019-03-27 2020-06-30 Kinshofer Gmbh Schnellwechsler für Baumaschinenwerkzeuge

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SE463319B (sv) * 1989-07-18 1990-11-05 John Teodor Sonerud Koppling av drivsystem till ett arbetsredskap paa en graevmaskin eller liknande
SE467742B (sv) 1991-09-06 1992-09-07 Sonerud John Teodor Anordning foer snabbkoppling av ett redskap till en graevmaskin med samtidig anslutning till ett drivsystem
DE4214569C2 (de) 1992-05-08 2001-12-20 Lehnhoff Hartstahl Gmbh & Co Schnellwechselvorrichtung
SE504450C2 (sv) * 1996-02-19 1997-02-17 Kavlugnt Ab Kopplingsanordning för sammankoppling av ett arbetsredskap till en arbetsmaskin; både mekanisk hopkoppling och snabbkoppling av hydraullikkopplingarna
DE29810118U1 (de) 1998-06-05 1998-10-29 Scherhaufer-Kremmer, Helmut, 85356 Freising Arbeitsmaschine
DE10159417C2 (de) 2001-03-09 2003-12-11 Liebherr Hydraulikbagger Schnellkupplung
AT411838B (de) * 2001-04-25 2004-06-25 Puehringer Josef Ing Mag Frontlader
EP1329559A3 (fr) * 2002-01-08 2003-10-29 Thomas Sauer Dispositif d'attache rapide pour engins de travail

Also Published As

Publication number Publication date
WO2005093171A1 (fr) 2005-10-06
ATE477378T1 (de) 2010-08-15
DE102004014824A1 (de) 2005-10-06
EP1727946A1 (fr) 2006-12-06
ES2350819T3 (es) 2011-01-27
PL1727946T3 (pl) 2011-04-29
DE502005010070D1 (de) 2010-09-23
DE102004014824B4 (de) 2019-08-01

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