EP3502356B1 - Schnellwechsler, adapter und schnellwechselsystem - Google Patents

Schnellwechsler, adapter und schnellwechselsystem Download PDF

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Publication number
EP3502356B1
EP3502356B1 EP18209113.2A EP18209113A EP3502356B1 EP 3502356 B1 EP3502356 B1 EP 3502356B1 EP 18209113 A EP18209113 A EP 18209113A EP 3502356 B1 EP3502356 B1 EP 3502356B1
Authority
EP
European Patent Office
Prior art keywords
elements
adapter
quick
coupling
coupling element
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.)
Active
Application number
EP18209113.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3502356A1 (de
Inventor
Christian Rampp
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.)
Oilquick Deutschland KG
Original Assignee
Oilquick Deutschland KG
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 Oilquick Deutschland KG filed Critical Oilquick Deutschland KG
Priority to PL18209113T priority Critical patent/PL3502356T3/pl
Publication of EP3502356A1 publication Critical patent/EP3502356A1/de
Application granted granted Critical
Publication of EP3502356B1 publication Critical patent/EP3502356B1/de
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
    • E02F3/3663—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
    • 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
    • E02F3/3613—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with means for absorbing any play therebetween
    • 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
    • E02F3/3654—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 changer for a quick changer system, an adapter that matches the quick changer, and a quick changer system with such a quick changer and adapter.
  • Such quick-change systems are used for simple and convenient changing of different attachments on construction machines. This means that e.g. tilting buckets, grabs, scissors, compressors, magnets, hydraulic hammers or other attachments can be coupled or uncoupled from a driver's cab, e.g. from an excavator boom, in a few seconds and with a high level of safety.
  • they contain an adapter on the attachment side and a quick coupler arranged on the construction machine, which has, for example, claw-shaped first receptacles on one side for holding a first coupling element arranged on the adapter and on the other side second receptacles with at least one locking element movable between a release position and a locking position for releasably holding a second coupling element arranged on the adapter.
  • a generic quick-change system is known.
  • two spaced apart coupling hooks for connection to a coupling rod of a mounting plate are provided on one side of a quick changer.
  • the quick coupler has adjustable latches for coupling to the mounting plate.
  • two outwardly protruding pins are arranged for engaging in receptacles delimited by arcuate ribs on the inside of the upwardly protruding cheeks of the mounting plate. The engagement of the pins in the receptacles is intended to prevent an attachment from becoming detached in an uncontrolled manner from a boom and from the quick-change device arranged on it and falling down if the lock is not correctly closed.
  • a quick coupler which is claw-shaped on one side of a carrier Contains receptacles for a first coupling element and, on the other side of the carrier, second receptacles with at least one locking element movable between a release position and a locking position for releasably holding a second coupling element.
  • An adapter belonging to the quick changer has two bolt-shaped coupling elements, arranged between parallel sidecars at a predetermined distance from one another, for connecting the adapter to the quick changer.
  • the bolt-shaped coupling elements have a uniform diameter and are inserted into corresponding bores in the side cheeks of the adapter.
  • the object of the invention is to create a quick changer, an associated adapter and a quick-change system with such a quick changer and adapter, in which the coupling of incompatible components can be prevented and safety can be increased as a result.
  • a quick changer according to the invention contains a carrier which has first receptacles on one side for receiving a first coupling element and on the other side second receptacles for receiving a second coupling element. Additional form-locking elements are arranged on at least one of the receptacles of the carrier for form-locking engagement with corresponding counter-elements on the associated coupling element.
  • the form-locking elements are designed as projections or approaches with different dimensions and specific distances.
  • the additional form-locking elements can be arranged on the side of the carrier with the first receptacles, the side of the carrier with the second receptacles, or on both receptacle sides of the carrier.
  • the form-fit elements can be arranged on the receptacles and / or between two receptacles.
  • the form-fit elements can expediently be arranged on the carrier directly or via an additional holding element.
  • the form-fitting elements can be designed, for example, as webs with a wedge-shaped or trapezoidal cross-section.
  • the invention also relates to an adapter for connecting an attachment to a quick coupler described above.
  • the adapter contains two coupling elements arranged at a predetermined distance from one another, with additional counter-elements being arranged on at least one of the two coupling elements for positive engagement with corresponding positive-locking elements on the quick changer.
  • the counter-elements can be arranged on one or the other coupling element. Additional counter-elements for positive engagement with corresponding positive-locking elements on the quick changer can also be provided on both coupling elements.
  • the counter-elements can be arranged on an inner guide area of a coupling element with an enlarged cross-section. But they can also be arranged on a coupling element without an extended guide area.
  • the counter elements can be distributed over almost the entire length of a coupling element or only on part of the Be arranged coupling element.
  • the counter elements can be arranged either directly or via an additional support element on the coupling elements.
  • the invention also relates to a quick-change system with a quick-change system described above and an associated adapter.
  • FIG. 1 a first exemplary embodiment of a quick-change system with a quick-change system 1 and an associated adapter 2 for easy changing of attachments on vehicles, in particular construction machines, is shown in a coupled position.
  • a quick-change system for example, swivel spoons, grippers, scissors, magnets, compressors, hydraulic hammers or other mechanical or hydraulic Attachments can be easily and conveniently coupled or uncoupled from a driver's cab to a boom or other attachment of a construction vehicle.
  • the adapter 2 shown separately and attachable to an attachment contains a base plate 3 and two mutually parallel, at right angles to the base plate 3 and spaced apart side cheeks 4, between which a bolt-shaped first coupling element 5 and a bolt-shaped second coupling element 6 spaced apart at a predetermined distance for releasable connection with the quick coupler 2 are arranged.
  • the two bolt-shaped coupling elements 5 and 6 are inserted with their respective ends into corresponding bores 7 and 8 in the two side cheeks 4 of the adapter 2 and fixed there.
  • Quick coupler 1 shown individually can be mounted, for example, on a boom of an excavator.
  • On one side it contains first receptacles 9 open to the front for receiving and holding the first bolt-shaped coupling element 5 and on the other side downwardly open second receptacles 10 for receiving the second bolt-shaped coupling element 6.
  • the first receptacles 9 open to the front are claws. or fork-shaped.
  • the receptacles 10, which are open at the bottom, have a curved lower contact surface 11 for the contact of the second bolt-shaped coupling element 6.
  • the quick coupler 1 contains in Figure 4 recognizable guide bores 12, in which two locking bolts, which cannot be seen here, are slidably guided and are arranged such that they can be moved hydraulically between a retracted release position and an extended locking position. In the extended locking position, the downwardly open second receptacles 10 are closed by the locking bolts arranged in the guide bores 12 on the underside, so that the locking bolt engages under the second bolt-shaped coupling element 6 and the adapter 2 can be held on the quick changer 1.
  • the quick changer 1 contains a carrier 13 which contains two claw-shaped receptacles 9 for the first coupling element 5 on one side and two receptacles 10 for the second coupling element 6 on the other side.
  • a carrier 13 which contains two claw-shaped receptacles 9 for the first coupling element 5 on one side and two receptacles 10 for the second coupling element 6 on the other side.
  • parallel side parts 14 are also continuous receiving openings 15 for fastening bolts, not shown Attachment of the quick coupler 1 to a boom of an excavator or a connection part of another construction vehicle is provided.
  • the quick coupler 1 which is usually arranged on a boom of an excavator, is first moved in such a way that the first bolt-shaped coupling element 5 on the adapter 2 is inserted into the claw-shaped receptacles 9 on one side of the quick coupler 1 . Then the quick changer 1 is pivoted around the first bolt-shaped coupling element 5 with the locking bolts still retracted so that the second bolt-shaped coupling element 6 on the adapter 2 comes to rest on the contact surfaces 11 of the downwardly open receptacles 10 on the other side of the quick changer 1.
  • the locking bolts which are arranged displaceably in the guide bores 12 in the carrier 13 of the quick changer 1, can then be hydraulically extended so that the two locking bolts on the quick changer 2 engage under the second bolt-shaped coupling element 6 on the adapter 2 and the adapter 2 is thus held on the quick changer 1 .
  • first coupling element 5 has two spaced apart, slimmer coupling areas 16 for engagement with the claw-shaped receptacles 9 of the quick changer 1 and a guide area 17 arranged between them with an enlarged compared to the coupling areas 16 Cross section on.
  • the first coupling element 5 is designed as a bolt with different diameters. In the coupling areas 16, the bolt-shaped first coupling element 5 has a smaller diameter and, in the guide area, has a larger diameter than the coupling areas 16.
  • lateral guide surfaces 18 are provided at the transitions from the outer coupling areas 16 to the inner guide area 17.
  • the extended cross-section guide area 17 enables additional guidance of the adapter 2 on the quick changer 1. This not only provides a positioning aid when coupling the adapter 2 to the quick changer 1, but also improved guidance in the coupled state.
  • operational vibrations and the resulting vibration breaks or other damage can be reduced.
  • the more precisely positioned guidance and holder can also Damage to the electrical or hydraulic coupling elements can be avoided.
  • an improvement in the power transmission is achieved.
  • the first coupling element 5 can, however, also be designed in such a way that it does not have a guide area with an enlarged cross section, ie no widening of the cross section compared to the coupling areas.
  • a coupling element carrier 19 for holding adapter-side coupling elements for a coupling with quick changer-side coupling elements 2 is attached to the second bolt-shaped coupling element 6 of the adapter 2 on the locking side, ie belonging to the second receptacles 10 of the quick changer 1.
  • energy connections provided for supplying energy to an attachment can be automatically connected to corresponding energy supply lines on the quick coupler 1 when the adapter 2 is coupled to the quick coupler 1.
  • an attachment can be supplied with hydraulic fluid, electrical energy or another energy source, for example.
  • the coupling element carrier 19 is fastened to the second bolt-shaped coupling element 6 via holding webs 20.
  • the second coupling element 6 on the locking side can also have two more slender coupling areas 21 spaced from one another for engagement with the associated receptacles 10 of the quick changer 1 and a guide area 22 arranged between them with an enlarged cross-section compared to the coupling areas 16.
  • the second coupling element 6 can, however, also have a uniform diameter over its entire length.
  • FIG 4 the quick coupler 1 belonging to the adapter 2 is shown. Between the two claw-shaped receptacles 9, this has a recessed or recessed receptacle area 23 for receiving the guide area 17 on the first coupling element 5 of the adapter 1.
  • the in Figure 5 The receiving area 23, shown enlarged, is adapted to the outer contour of the guide area 17. It has a somewhat larger width than the guide region 17 of the first coupling element 5.
  • the depth of the receiving area 23 is also adapted to the enlarged cross section of the guide area 17.
  • lateral guide surfaces 24 can also be provided on the receiving area 23.
  • the form-locking elements 25 arranged on the side of the claw-shaped first receptacles 9 of the carrier 2 are designed as webs with a trapezoidal or wedge-shaped cross-section.
  • the associated counter-elements 26 on the claw-side first coupling element 5 of the adapter 2 are shown in FIG Figure 3 designed as annular grooves.
  • the groove-shaped counter-elements 26 are arranged on the guide region 17 of the first coupling element 5, which has an enlarged cross-section.
  • the counter-elements 26 belonging to the form-fit elements 25 can, however, also be arranged on a coupling element 5 without a guide area with an enlarged cross-section.
  • the form-locking elements 25 in the embodiment shown are arranged on a strip-shaped carrier 27 fastened within the receiving area 23 of the quick changer 1.
  • the form-fit elements 25 can, however, also be molded directly onto the quick changer 2.
  • the form-fit elements 25 and the associated counter-elements 26 are matched to one another in terms of both shape and arrangement.
  • the form-fit elements 25 are designed as webs with a trapezoidal cross-section and different widths.
  • the form-fit elements 25 are arranged at defined intervals.
  • the counter-elements 26 belonging to the form-fit elements 25 on the first coupling element 5 have corresponding shapes and spacings.
  • FIG 6 a further embodiment of a quick changer 1 is shown in a view obliquely from below.
  • form-locking elements 25 for form-locking engagement with in Figure 8
  • the counter-elements 26 shown are provided on the locking-side second coupling element 6 of the adapter 2.
  • the web-shaped or block-shaped form-fit elements 25 are designed as counter-elements 26 for engagement in correspondingly shaped depressions or grooves.
  • the outwardly protruding form-fit elements 25 form-fit elements 25 are provided on the quick changer 2 both on the inside of the two locking-side second receptacles 10 and on the underside of the carrier 13 between the two receptacles 10.
  • the form-fit elements 25 can, however, also be arranged only on the receptacles 10 or between the two receptacles 10.
  • Figure 8 shows a quick coupler 1 of Figure 6 associated adapter 2.
  • the counter-elements 26 corresponding to the form-fit elements 25 on the quick changer 1 are arranged on the second coupling element 6 on the locking side.
  • no additional form-locking elements 25 are arranged on the first coupling element 5, which is designed as a bolt with a consistently uniform diameter.
  • form-fit elements 25 can also be provided here.
  • the counter-elements 26, designed here as grooves are arranged on a stepped, strip-shaped support element 28.
  • the support element 28, which runs almost over the entire length of the coupling element 6, has a protruding central region 29 and set-back outer regions 30.
  • the groove-shaped counter-elements 26 for engaging the form-locking elements 25 of the quick changer 1 are provided.
  • the strip-shaped support element 28 can be inserted into a corresponding groove on the outside of the bolt-shaped coupling element 6.

Landscapes

  • 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)
EP18209113.2A 2017-12-19 2018-11-29 Schnellwechsler, adapter und schnellwechselsystem Active EP3502356B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18209113T PL3502356T3 (pl) 2017-12-19 2018-11-29 Szybkozłącze, adapter i system szybkozłączy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017130437.1A DE102017130437A1 (de) 2017-12-19 2017-12-19 Schnellwechsler, Adapter und Schnellwechselsystem

Publications (2)

Publication Number Publication Date
EP3502356A1 EP3502356A1 (de) 2019-06-26
EP3502356B1 true EP3502356B1 (de) 2021-03-03

Family

ID=64559514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18209113.2A Active EP3502356B1 (de) 2017-12-19 2018-11-29 Schnellwechsler, adapter und schnellwechselsystem

Country Status (4)

Country Link
EP (1) EP3502356B1 (pl)
DE (1) DE102017130437A1 (pl)
ES (1) ES2860324T3 (pl)
PL (1) PL3502356T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020115197A1 (de) * 2020-06-08 2021-12-09 OilQuick Deutschland KG Adapter für ein Schnellwechselsystem und Schnellwechselsystem mit einem derartigen Adapter
CN113123385B (zh) * 2021-04-16 2022-03-18 湖南大学 一种用于应急救援工程装备的全自动快换装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657596B1 (fr) * 1990-01-26 1992-04-24 Morin Freres Dispositif pour fixer un godet, ou analogue, a l'extremite du bras d'un chargeur.
FR2725224B1 (fr) * 1994-09-29 1997-04-18 Morin Freres Perfectionnements aux dispositifs pour fixer un outil a l'extremite du bras d'une pelle hydraulique ou analogue
SE524941C2 (sv) * 2003-02-17 2004-10-26 Oilquick Ab System innefattande redskapsfäste och arbetsredskap
DE202004002541U1 (de) * 2004-02-18 2005-07-07 Liebherr-Hydraulikbagger Gmbh Baumaschine mit Schnellkupplung
NO20050638D0 (no) * 2005-02-04 2005-02-04 Gjerstad Mek Ind As Vendbar hurtigkobling
DE102005037105C5 (de) * 2005-08-03 2011-06-22 Lehnhoff Hartstahl GmbH & Co. KG, 76534 Adapter für ein Arbeitsgerät als Teil einer Schnellwechselvorrichtung und Schnellwechselvorrichtung
GB2482516B (en) * 2010-08-04 2015-07-22 Miller Int Ltd A tool coupler with wear indicators
DE202013001658U1 (de) 2013-02-20 2013-03-11 Oilquick Deutschland Gmbh Schnellwechseladapter mit einer Schmutzschutzvorrichtung
EP2990538B1 (en) * 2014-08-25 2018-09-19 Cangini Benne S.R.L. Fast lock and release device for a soil shifting machine
AT515695B1 (de) * 2014-11-20 2015-11-15 Baumaschinentechnik Ges M B H Kupplung für Baumaschinen
AT15516U1 (de) * 2016-07-14 2017-11-15 Baumaschinentechnik Ges M B H Kupplung für Baumaschinen
DE102016010632B3 (de) * 2016-09-05 2017-05-24 Robert Riedlberger Verriegelungsbolzen mit Medienkupplung

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PL3502356T3 (pl) 2021-07-12
DE102017130437A1 (de) 2019-06-19
EP3502356A1 (de) 2019-06-26
ES2860324T3 (es) 2021-10-04

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