EP1983114A2 - Arbeitszubehör, das an ein Ende eines Auslegers einer mobilen Arbeitsmaschine montiert wird. - Google Patents

Arbeitszubehör, das an ein Ende eines Auslegers einer mobilen Arbeitsmaschine montiert wird. Download PDF

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Publication number
EP1983114A2
EP1983114A2 EP08290346A EP08290346A EP1983114A2 EP 1983114 A2 EP1983114 A2 EP 1983114A2 EP 08290346 A EP08290346 A EP 08290346A EP 08290346 A EP08290346 A EP 08290346A EP 1983114 A2 EP1983114 A2 EP 1983114A2
Authority
EP
European Patent Office
Prior art keywords
jaws
mounting
coupling block
spreader
axes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08290346A
Other languages
English (en)
French (fr)
Other versions
EP1983114B1 (de
EP1983114A3 (de
Inventor
Jean-Pierre Dorguin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1983114A2 publication Critical patent/EP1983114A2/de
Publication of EP1983114A3 publication Critical patent/EP1983114A3/de
Application granted granted Critical
Publication of EP1983114B1 publication Critical patent/EP1983114B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • E02F3/3609Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3636Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat using two or four movable transversal pins
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements

Definitions

  • the invention relates to a work accessory device intended to be mounted at the end of the self-propelled machine boom.
  • excavating machines including an arrow and an end jack are used to receive various work accessories.
  • a hydraulic excavator can be equipped with shears for shearing steel girders, or grinders or concrete crushers, or heavy shears for logs and planks, or other heavy and mobile shearing and recycling accessories. or demolition.
  • All these heavy accessories generally comprise at least one movable jaw intended to cooperate with a fixed part or another movable jaw.
  • this movable jaw In the case of at least one movable jaw, this movable jaw is pivotally mounted about a major axis of articulation having a large section.
  • the change of this jaw for maintenance or replacement currently requires disassembly of this main axis of articulation, which has a significant weight, requiring the intervention of at least two people.
  • working accessories comprising movable or cooperating jaws secured to one another.
  • These working accessories comprising movable or cooperating jaws secured to each other are previously positioned on supports or support frames, from which it is possible to assemble, dismantle or replace an accessory using a machine. self propelled equipped with boom end of a work attachment mounting device.
  • the document FR 2822482 describes such a work accessory mounting device at the end of the self-propelled machine boom.
  • This device comprises a connection portion to said boom and a mounting portion of the work accessory.
  • the part of mounting of the work accessory comprises at least one actuating cylinder of the work accessory and mechanical mounting means of the work accessory.
  • the mechanical mounting means comprise at least two retractable axes between an accessory release position corresponding to the approximation of the axes and an accessory securing position corresponding to the spacing of the axes, so as to leave the axes in place on the device when assembling and dismantling separate work accessories.
  • the mechanical mounting means comprise four retractable axes between a close position of accessory release and a remote securing position of an accessory and are associated with actuators of their displacement.
  • Each retractable axis displacement actuating member may be a screw accessible from the outside of the device and from the outside of an accessory mounted on the device.
  • the device comprises at least one accessory engagement chamfer, as well as means for abutment and accessory positioning, so as to position the accessory in a position close to its position of attachment to the device before proceeding to the device. spacing of the axes of the device to ensure the attachment of the accessory device.
  • These abutment and positioning means comprise at least one positioning axis and at least one plane contact abutment.
  • a first object of the invention is to overcome the disadvantages of the known art, by providing new devices, in particular new devices constituting working accessories and having movable or cooperating jaws secured to each other, allowing the use of a single actuating cylinder.
  • a second object of the invention is to allow a quick and accurate positioning of new devices constituting working accessories and having movable or cooperating jaws secured together, at the end of the excavator machine boom or other self-propelled machine, allowing a change Jaws easy, fast and achievable by one man, usually by the driver of the excavator carrying the tool.
  • a third object of the invention is to reduce the operating cost of the demolition and / or recycling sites, by providing new devices, in particular new devices forming work accessories and having movable or cooperating jaws secured to each other. , more economical than the accessories described in the document FR 2822482 .
  • the invention relates to a work accessory device intended to be mounted at the end of a self-propelled machine boom having a set of jaws articulated and movable between an open release position and a closed working position, and a lifting beam of mounting carrying two mounting means characterized in that the mounting means comprise hollow tubular shafts passing through openings in said jaws.
  • a first embodiment of work accessory device corresponds to a concrete shear function, especially for cutting concrete during demolition or recycling sites.
  • This first embodiment of a work accessory device comprises a first jaw 1, a second jaw 2, and a rudder 3.
  • the device comprises two hollow shafts 4 and 5 for securing the jaws 1 and 2 to the spreader 3, thus forming a set of jaws 1 and 2 integral with the spreader 3.
  • the jaws 1 and 2 are for example male jaws housed in two female yokes 3a and 3b of the rudder 3.
  • the male jaws 1 and 2 are secured to the rudder 3 only by the tubular axes 4 and 5.
  • the tubular axes 4 and 5 also constitute the axes of rotation of the jaws 1 and 2 with respect to the spreader 3, and are preferably mounted tightly in the spreader 3.
  • Each jaw 1 or 2 has an outgrowth allowing the mounting of a connecting pin to a jack not shown.
  • each outgrowth comprises a passage 1a or 2a for a cylinder clevis pin not shown.
  • Said protuberances of the jaws of a set of jaws are formed on either side of a space allowing the mounting of a single actuating cylinder between the passages 1a and 2a of said excrescences
  • the lifter 3 may further comprise at least one positioning means, and preferably two positioning means 3c and 3d.
  • the lifter 3 may finally comprise at least one docking surface, and preferably two docking surfaces 3e and 3f.
  • a second embodiment of a work accessory device corresponds to a shearing function of scrap, in particular for cutting scrap metal during demolition or recycling sites.
  • This second embodiment of a work accessory device comprises a first jaw 11, a second jaw 12, and a rudder 13.
  • the device comprises an axis 6 of articulation and connection of the jaws 11 and 12 to the rudder 13, thus forming a set of jaws 11 and 12 integral with the rudder 13.
  • the lifter 3 comprises two hollow tubular shafts 4 and 5 mounted tightly in the spreader 3, said axes 4 and 5 passing through bean-shaped holes cut into the jaws 11 and 12 thus allowing their movement around the axis 6 .
  • the male jaws 11 and 12 are secured to the lifter 13 only by an axis 6 of articulation and securing.
  • the tubular shafts 4 and 5 are preferably mounted tightly in the crossbar 13.
  • Each jaw 11 or 12 has an outgrowth allowing the mounting of a connecting pin to a not shown cylinder.
  • each outgrowth includes a passage 11a or 12a for a cylinder clevis pin not shown.
  • Said protrusions of the jaws of a set of jaws are formed on either side of a space allowing the mounting of a single actuating cylinder between said protrusions
  • the lifter 13 may further comprise at least one positioning means, and preferably two positioning means 13c and 13d.
  • the lifter 13 may finally comprise at least one docking surface, and preferably two docking surfaces 13e and 13f.
  • a coupling block is intended to be equipped with a device according to the invention not shown.
  • the coupling block comprises an upper portion 14 and a lower portion 15.
  • the first part or upper part 14 is a connecting part to a self-propelled machine boom not shown and comprises, in a manner known per se, two passages 16 and 17 for mounting pins for attachment to the boom and to the main boom cylinder. the self-propelled machine not shown.
  • the lower part 15 can be mounted with possibility of rotation relative to the upper part 14, in a manner known per se.
  • the upper portion 14 may comprise a hydraulic motor driving in rotation about the vertical main axis of the device.
  • the jack 18 for actuating a device according to the invention forming a working accessory is preferably supplied by means of rotating hydraulic seals.
  • the actuating jack 18 is mounted on the device according to the invention by means of pins intended to be mounted in two bores 18a and 19a and has for this purpose end-shaped ends 18b and 19b intended to cooperate with passages 1a and 2a or 11a and 12a of the jaws 1 and 2 or 11 and 12.
  • the coupling block comprises abutment means 20, and at least one positioning means 21.
  • the coupling block finally comprises two bores 24 and 25 coupling a device according to the invention not shown.
  • a coupling block is equipped with a first embodiment of a work accessory device according to the invention described with reference to the figure 1 .
  • the coupling of a first embodiment of a work accessory device according to the invention is carried out by vertically lowering the coupling block on the device according to the invention deposited in a vertical support.
  • the hitch block is positioned during the descent by the two pins 3c and 3d, located on each side of the rudder 3, which engage in the notches 21 on each side of the hitch block.
  • the device according to the invention including the set of jaws 1 and 2 is in place.
  • These two shafts 22 and 23 are for example supported on one side and threaded on the other, which allows to screw two nuts 30 and 31 on the other side of the coupling block, to ensure the mounting and locking of the device according to the invention to the coupling block.
  • the demolition apparatus is thus obtained according to the figure 6 , ready to work with jaw set 1 and 2.
  • a coupling block is equipped with a second embodiment of a work accessory device according to the invention described with reference to Figures 3 and 4 .
  • the coupling of a second embodiment of a work accessory device according to the invention is carried out by vertically lowering the coupling block on the device according to the invention deposited in a vertical support.
  • the hitch block is positioned during the descent by the two pins 13c and 13d, located on each side of the rudder 13, which engage in the notches 21 on each side of the hitch block.
  • the device according to the invention including the set of jaws 11 and 12 is in place.
  • These two shafts 22 and 23 are for example supported on one side and threaded on the other, which allows to screw two nuts 30 and 31 on the other side of the coupling block, to ensure the mounting and locking of the device according to the invention to the coupling block.
  • the demolition apparatus is thus obtained according to the figure 8 , ready to work with jaw set 11 and 12.
  • disassembly is performed by performing the reverse operations, then reassembly by performing the operations described in reference to Figures 6 to 9 .
  • the invention allows a quick and easy assembly and disassembly of a work accessory device according to the invention.
  • the assembly and disassembly is done quickly and ergonomically, in a quarter of an hour.
  • the assembly and disassembly require the intervention of only one easy operator, using a single key to unscrew the nuts, in the case of nuts of the same dimensions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crushing And Grinding (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Shovels (AREA)
  • Agricultural Machines (AREA)
  • Jib Cranes (AREA)
  • Working Measures On Existing Buildindgs (AREA)
EP08290346A 2007-04-20 2008-04-09 Arbeitszubehör, das an ein Ende eines Auslegers einer mobilen Arbeitsmaschine montiert wird Not-in-force EP1983114B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702909A FR2915216B1 (fr) 2007-04-20 2007-04-20 Dispositif formant accessoire de travail destine a etre monte en extremite de fleche de machine automotrice.

Publications (3)

Publication Number Publication Date
EP1983114A2 true EP1983114A2 (de) 2008-10-22
EP1983114A3 EP1983114A3 (de) 2010-01-27
EP1983114B1 EP1983114B1 (de) 2011-02-16

Family

ID=38713462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08290346A Not-in-force EP1983114B1 (de) 2007-04-20 2008-04-09 Arbeitszubehör, das an ein Ende eines Auslegers einer mobilen Arbeitsmaschine montiert wird

Country Status (5)

Country Link
EP (1) EP1983114B1 (de)
AT (1) ATE498743T1 (de)
DE (1) DE602008004941D1 (de)
ES (1) ES2360839T3 (de)
FR (1) FR2915216B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822482A1 (fr) 2001-03-22 2002-09-27 Jean Pierre Dorguin Dispositif de montage d'accessoires de travail en extremite de fleches de machine automotrice et accessoire de travail correspondant

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044568A (en) * 1990-08-20 1991-09-03 Takachiho Kogyo Yuugen Kaisha Hand crusher with rotatably mounted handle
JP2555506B2 (ja) * 1992-03-31 1996-11-20 大淀ヂ−ゼル株式会社 鋼材剪断機
NL9301517A (nl) * 1993-09-02 1995-04-03 Metholds Hertogenbosch Bv Inrichting voor het breken en/of knippen van materiaal.
DE19506427C1 (de) * 1995-02-24 1996-04-25 Riepl Josef Gmbh Zweischalengreifer
JP3156754B2 (ja) * 1996-10-15 2001-04-16 大淀ヂーゼル株式会社 破砕装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822482A1 (fr) 2001-03-22 2002-09-27 Jean Pierre Dorguin Dispositif de montage d'accessoires de travail en extremite de fleches de machine automotrice et accessoire de travail correspondant

Also Published As

Publication number Publication date
EP1983114B1 (de) 2011-02-16
ES2360839T3 (es) 2011-06-09
FR2915216B1 (fr) 2009-07-03
DE602008004941D1 (de) 2011-03-31
FR2915216A1 (fr) 2008-10-24
ATE498743T1 (de) 2011-03-15
EP1983114A3 (de) 2010-01-27

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