EP1167634B1 - Chassis de fixation pour des accessoires d'une machine de chantier et boulons de reception correspondants - Google Patents

Chassis de fixation pour des accessoires d'une machine de chantier et boulons de reception correspondants Download PDF

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Publication number
EP1167634B1
EP1167634B1 EP01114189A EP01114189A EP1167634B1 EP 1167634 B1 EP1167634 B1 EP 1167634B1 EP 01114189 A EP01114189 A EP 01114189A EP 01114189 A EP01114189 A EP 01114189A EP 1167634 B1 EP1167634 B1 EP 1167634B1
Authority
EP
European Patent Office
Prior art keywords
attachment frame
bolt
frame according
receiving
attachment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01114189A
Other languages
German (de)
English (en)
Other versions
EP1167634A2 (fr
EP1167634A3 (fr
Inventor
Peter Degen
Ralph E. Shirley
Mark Fallon
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP1167634A2 publication Critical patent/EP1167634A2/fr
Publication of EP1167634A3 publication Critical patent/EP1167634A3/fr
Application granted granted Critical
Publication of EP1167634B1 publication Critical patent/EP1167634B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E02F3/3631—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 transversal locking element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/16—Joints and connections with adjunctive protector, broken parts retainer, repair, assembly or disassembly feature
    • Y10T403/1616—Position or guide means

Definitions

  • the invention relates to a mounting frame with a pivot axis for pivotally mounting on a machine and with at least one tapered to its free end receiving bolt for receiving a recess of an attachment, wherein the profile of the receiving pin is symmetrical in a transverse cross-section and the bolt end in essentially tapered in the manner of a cone and wherein the bolt profile is asymmetrical in longitudinal section and tapers on the rear side only slightly and on the front side relatively strong to the bolt end.
  • the EP-A-0 398 110 describes a fastening device for the tiltable attachment of additional equipment on a boom arm of a loader.
  • a holder is attached via a pivot on the boom and can be pivoted by a hydraulic cylinder about the pivot.
  • In the upper part of the holder there is a transverse channel-shaped support surface, which serves to receive an upper transverse pin of the auxiliary device.
  • the pivot protrudes on both sides beyond the holder, so that its ends can engage in slots open to the rear of the attachment.
  • the pivots can be defined by a locking device within the slots.
  • the transverse pin is first received by the support surface by movement of the holder. Then the holder is tilted so that the pivot ends engage in the slots. Subsequently, the locking of the pivot ends takes place in the slots.
  • the lower attachment of the Attachment on the mounting frame can be done by a lock, as shown in the DE-A-25 59 293 has been described.
  • the US 3,417,886 discloses a hitch for a loader tool.
  • the attachment has a mounting frame on which a horn is formed centrally. To simplify a Ankoppelvorgangs the horn is guided in a direction provided on the loading tool guide device.
  • the FR 2 690 718 A discloses a combination of mounting frame for a loader tool and loader tool, wherein receiving bolts are formed both on the mounting frame and on the loading tool.
  • receiving bolts are formed both on the mounting frame and on the loading tool.
  • the locating bolts of the mounting frame are introduced into guides on the loading tool.
  • the receiving bolts formed on the loading tool are introduced into guides on the mounting frame. This creates a secure recording process.
  • the object underlying the invention is seen to provide a mounting frame of the type mentioned, by which the aforementioned problems are overcome.
  • the Einfädelvorgang of the receiving pin is to be facilitated in the recess of a header, so that not relatively high demands are placed on the positioning of the vehicle relative to the attachment and the risk of Bent the receiving bolt is reduced.
  • an attachment frame of the type mentioned above is formed such that the front of the receiving pin is formed with respect to the axial direction approximately as a circular arc whose center is defined by the pivot axis.
  • the mounting frame includes a pivot axis for pivotal attachment to a work machine and at least one tapered to its free end receiving pin, which serves to receive a recess of a header.
  • the profile of the receiving bolt designed according to the invention is formed symmetrically in a transverse cross-section to the vehicle alignment cross-section and tapers to the bolt end substantially in the manner of a cone.
  • the bolt profile is formed asymmetrically and tapers on the rear bolt side only slightly towards the bolt end, while it relatively tapered to the bolt end on the front bolt side, ie, the rear edge of the receiving bolt is relatively steep, while its front flank is flatter.
  • the locating bolt is thus not rotationally symmetrical but asymmetrical.
  • This design of the locating bolt facilitates the inclusion of a header considerably.
  • mounting frame and attachment are aligned exactly to each other. Due to the asymmetrical design of the outer contour of the receiving pin this is adapted to the circular receiving movement of the mounting frame about its pivot axis. This allows the attachment to record faster, easier and safer. Wear and tear, and in particular bending of the locating pin are largely avoided.
  • the locating bolt projects substantially vertically upwards beyond the mounting frame. He is thus readily visible from the vehicle cab and easily threaded into the recess of the attachment.
  • the front side (leading edge) of the receiving bolt is formed with respect to the axial direction approximately as a circular arc whose center is defined by the pivot axis.
  • the contour of the locating pin is optimally adapted to the rotational movement about the pivot axis, which further favors the threading process.
  • the receiving bolt expediently has a flange with which it is butt welded to the mounting frame.
  • the taper rate of the locating pin largely depends on its circumferential direction is independent, so that the taper rates of the transverse cross-section is approximately equal to the taper rate of the longitudinal cross-section.
  • the threading process is further facilitated without compromising the required strength of the locating pin in which the taper is not rectilinear, but extends in a slightly convex arc. This means that the change in cross section along the pin axis is not constant, but the cross section decreases disproportionately towards the bolt end.
  • the taper angle is suitably between 20 ° and 50 ° and preferably between 25 ° and 40 °. He lies in a particularly advantageous manner between 30 ° and 35 °.
  • the free, upper end of the bolt strongly rounded, so that this approximates a spherical shape. It is also expedient if the lateral surface or outer contour of the locating pin is rounded off on all sides.
  • the locating bolt resembles an oblique truncated cone.
  • the locating bolt contains a cylindrical region which merges steplessly into a region tapering towards the bolt end.
  • the attachment mounted on the mounting frame is supported with its two cylindrical recesses on the two receiving bolts, wherein the cylindrical surfaces of the recesses are adapted to the cylindrical portions of the locating bolts, so that when working an optimal force transmission from the attachment on the locating pins in the mounting frame results.
  • the locating bolt has a flange area, which adjoins the cylindrical area and whose diameter is greater than the diameter of the cylindrical area. With this flange, the receiving bolt can dull with the Attachment frame to be welded.
  • FIG. 1 only schematically and partially illustrated boom 10, for example, a boom 10 of a commercial telescopic handler, not shown.
  • a mounting frame 14 is pivotally mounted via arranged in a pivot axis 12 pivot.
  • the pivoting of the mounting frame 14 can be made in the usual way by one or two hydraulic cylinders, not shown.
  • a partially illustrated attachment or attachment 16 such as a blade rigidly attached.
  • Fig. 2 how out Fig. 2 can be seen, from the lower portion of the mounting frame 14 laterally two bolts 18 before. These bolts 18 engage with mounted attachment 16 in holes, which extend through lateral, lower, vertically aligned tabs 22 of the attachment 16.
  • the bolt 18 For mounting or dismounting of the attachment 16, the bolt 18 by a suitable device, such as those from the DE-A-25 59 293 shows in and out in the axial direction.
  • an upwardly directed receiving pin 24 are each attached laterally.
  • the attachment can be done for example by welding. However, other types of attachment, such as screwing, possible.
  • Each locating pin 24 has a flange portion 26 and a cylindrical portion 28 of smaller diameter adjoining thereon, which merges steplessly into a substantially conical portion 30.
  • the cylindrical portion 28 is received with mounted header 16 by a cylindrical bore formed in a substantially horizontally extending tab 32 in the rear, upper portion of the attachment 16.
  • the flange portion 26 is formed in the circumferential direction of the receiving pin 24 is substantially cylindrical and flattened on two opposite sides 34, 36.
  • the profile of the conical portion 30 of the locating pin 24 is symmetrical in a direction transverse to the boom 10 and tapers towards the upper pin end 38 substantially in the manner of a cone.
  • the side edges 40 of the cone are not rectilinear, but slightly curved convexly. They include a mean taper angle ⁇ of about 35 °.
  • the profile of the conical portion 30 of the locating pin 24 in a direction along the cantilever 10 is not symmetrical to the pin axis 42 defined by the cylindrical portion 28, but asymmetrical.
  • the locating pin 24 tapers slightly upwardly on its rear face 44, which faces the boom 10, while the taper on its front face 46 is relatively pronounced.
  • the tapered portions of the back 44 and the front 46 are not straight, but slightly curved convexly. They include a mean taper angle ⁇ of about 30 °.
  • the taper rates with respect to the transverse cross section and the longitudinal section of the receiving bolt 24 are thus of the same order of magnitude and differ relatively little from each other.
  • the front side 46 or front flank of the locating bolt essentially forms a circular arc whose radius R is equal to the distance between the front side 46 and the pivot axis 12 of the mounting frame 14.
  • R is equal to the distance between the front side 46 and the pivot axis 12 of the mounting frame 14.
  • the upper portion of the locating pin 24 is approximated to a spherical shape, but slightly flattened at its outermost end portion 38.
  • the peripheral surface of the receiving pin 24 is rounded on all sides.
  • the attachment 16 For attachment of the attachment 16 to the mounting frame 14 of the mounting frame 14 is lowered and the telescopic loader moved so that the receiving pin 24 are positioned below the holes of the horizontal tab 32. Then, the mounting frame 14 is pivoted about the pivot axis 12 upwards, wherein the receiving bolt 24 enter into the holes and the Upper edge of the mounting frame 14, the attachment 16 lifts over the horizontal flap 32. As soon as the lateral bolts 18 are aligned with the associated holes of the vertical tabs 22, they are extended and engage in these holes and lock the attachment 16 on the mounting frame 14th

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Body Structure For Vehicles (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Agricultural Machines (AREA)
  • Component Parts Of Construction Machinery (AREA)

Claims (11)

  1. Châssis de fixation comprenant un axe de pivotement (12) pour la fixation pivotante à un bras d'une machine de chantier et comprenant au moins un boulon de réception (24) se rétrécissant vers son extrémité libre, pour recevoir un évidement d'un appareil auxiliaire (16), le profil du boulon de réception (24) étant symétrique suivant une section transversale (figure 3) s'étendant transversalement au bras, et se rétrécissant vers l'extrémité du boulon (38) essentiellement à la manière d'un cône, le profil du boulon en coupe longitudinale du bras (figure 4) étant asymétrique et se rétrécissant du côté arrière (44), qui est tourné vers le bras, seulement légèrement et du côté avant (46) relativement fortement vers l'extrémité du boulon (38), caractérisé en ce que le côté avant (46) du boulon de réception (24) est réalisé approximativement sous forme d'arc de cercle par rapport à sa direction axiale (42), dont le centre est défini par l'axe de pivotement (12).
  2. Châssis de fixation selon la revendication 1, caractérisé en ce que le boulon de réception (24) est monté essentiellement verticalement vers le haut et dépasse au-delà du châssis de fixation (14).
  3. Châssis de fixation selon l'une quelconque des revendications 1 ou 2, caractérisé en ce qu'un boulon de réception (24) respectif est fixé de chaque côté du châssis de fixation (14).
  4. Châssis de fixation selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le boulon de réception (24) présente une bride (26) avec laquelle il est soudé bout à bout sur le châssis de fixation (14).
  5. Châssis de fixation selon les revendications 1 à 4, caractérisé en ce que le taux de rétrécissement dans la section transversale s'étendant transversalement au bras (figure 3) est approximativement identique au taux de rétrécissement dans la coupe longitudinale du bras (figure 4).
  6. Châssis de fixation selon les revendications 1 à 5, caractérisé en ce que le rétrécissement n'est pas réalisé en ligne droite, mais s'étend suivant un arc légèrement convexe.
  7. Châssis de fixation selon les revendications 1 à 6, caractérisé en ce que l'angle de rétrécissement est compris entre 20° et 50°, de préférence entre 25° et 40°, de préférence entre 30° et 35°.
  8. Châssis de fixation selon les revendications 1 à 7, caractérisé en ce que l'extrémité du boulon (38) est réalisée de manière fortement arrondie et se rapproche d'une forme sphérique.
  9. Châssis de fixation selon les revendications 1 à 8, caractérisé en ce que la surface d'enveloppe du boulon de réception (24) est arrondie de tous les côtés.
  10. Châssis de fixation selon les revendications 1 à 9, caractérisé par une région cylindrique (28), qui se prolonge sans gradin par une région se rétrécissant jusqu'à l'extrémité du boulon (38).
  11. Châssis de fixation selon la revendication 10, caractérisé en ce qu'une région de bride (26) se raccorde à la région cylindrique (28), son diamètre étant supérieur à celui de la région cylindrique (28).
EP01114189A 2000-06-16 2001-06-12 Chassis de fixation pour des accessoires d'une machine de chantier et boulons de reception correspondants Expired - Lifetime EP1167634B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10028997 2000-06-16
DE10028997A DE10028997A1 (de) 2000-06-16 2000-06-16 Anbaurahmen für Vorsatzgeräte einer Arbeitsmaschine und zugehöriger Aufnahmebolzen

Publications (3)

Publication Number Publication Date
EP1167634A2 EP1167634A2 (fr) 2002-01-02
EP1167634A3 EP1167634A3 (fr) 2002-05-22
EP1167634B1 true EP1167634B1 (fr) 2009-04-29

Family

ID=7645512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01114189A Expired - Lifetime EP1167634B1 (fr) 2000-06-16 2001-06-12 Chassis de fixation pour des accessoires d'une machine de chantier et boulons de reception correspondants

Country Status (5)

Country Link
US (1) US6533528B2 (fr)
EP (1) EP1167634B1 (fr)
CA (1) CA2350361C (fr)
DE (2) DE10028997A1 (fr)
ES (1) ES2323489T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2587290A1 (fr) * 2007-05-03 2008-11-03 177197 Canada Ltee Chassis adaptateur pour chasse-neige et aileron et methode d'installation
US7984575B2 (en) * 2007-07-05 2011-07-26 Caterpillar Inc. Quick coupler assembly
CA2723712C (fr) 2008-05-07 2016-08-30 Attachment Technologies, Inc. Systeme de couplage pour godet a deport nul et composants associes
US20120121323A1 (en) * 2010-11-12 2012-05-17 Hill Curt J Quick-attach assembly for attaching an implement to an off-road vehicle
US8974137B2 (en) 2011-12-22 2015-03-10 Caterpillar Inc. Quick coupler
US8869437B2 (en) 2012-05-30 2014-10-28 Caterpillar Inc. Quick coupler
US8684623B2 (en) 2012-05-30 2014-04-01 Caterpillar Inc. Tool coupler having anti-release mechanism
US9217235B2 (en) 2012-05-30 2015-12-22 Caterpillar Inc. Tool coupler system having multiple pressure sources
US9228314B2 (en) 2013-05-08 2016-01-05 Caterpillar Inc. Quick coupler hydraulic control system
US10995469B1 (en) * 2017-04-04 2021-05-04 TAG Manufacturing, Inc. Quick coupler
CN112456337B (zh) * 2020-12-02 2022-10-28 太原重工股份有限公司 伸缩臂插拔销机构控制装置及起重机

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417886A (en) 1967-06-07 1968-12-24 Clifton F. Stuart Implement hitch for tractors and loaders
US3512665A (en) * 1968-02-14 1970-05-19 Walter J Westendorf Quick attach means for end loaders
US3883015A (en) 1973-08-27 1975-05-13 Dynamic Ind Quick detachable bucket
US3934738A (en) 1974-04-01 1976-01-27 Wain-Roy, Inc. Tool connecting
US3876092A (en) * 1974-07-26 1975-04-08 Rivinius Inc Implement connecting coupler mechanism
US3876091A (en) 1974-07-26 1975-04-08 Rivinius Inc Implement connecting coupling mechanism
GB1475202A (en) 1975-01-04 1977-06-01 Massey Ferguson Perkins Ltd Loader vehicles
US4085856A (en) 1977-01-21 1978-04-25 Westendorf Neal W Quick attach means for end loaders or the like
US4345872A (en) * 1978-07-10 1982-08-24 Wain-Roy, Inc. Connectors
FR2475160A1 (fr) * 1980-01-31 1981-08-07 Pingon Pierre De Dispositif formant prise d'outils automatique pour excavateur, chargeur, machine de terrassement ou autres
SE430264B (sv) * 1982-04-07 1983-10-31 Toga System Ab Snabbkopplingsanordning
US4522363A (en) 1982-08-19 1985-06-11 Stuart Clifton F Gravity self-aligning article mount
US4986722A (en) 1989-05-15 1991-01-22 Deere & Company Mounting structure for a loader attachment
DE3916365A1 (de) 1989-05-19 1990-11-22 Basf Ag Kraftstoffzusammensetzungen mit einem gehalt an alkoxylierungsprodukten
US5107610A (en) 1991-01-22 1992-04-28 Nicholas Fusco Quick-coupling connector for backhoes and the like
FR2690718B1 (fr) 1992-05-04 1994-06-17 Groupe Pel Job Dispositif de securite pour prise automatique d'outils, en particulier pour machines de terrassement ou analogue.
FR2717516B1 (fr) * 1994-03-16 1996-05-03 Pel Job Groupe Dispositif pour permettre la prise automatique d'outils, notamment pour engins de terrassement ou analogue.
US5727342A (en) * 1996-04-18 1998-03-17 Wain-Roy, Inc. Hydraulic latch pin assembly for coupling a tool to a construction equipment

Also Published As

Publication number Publication date
US6533528B2 (en) 2003-03-18
CA2350361C (fr) 2005-05-24
US20020031394A1 (en) 2002-03-14
CA2350361A1 (fr) 2001-12-16
EP1167634A2 (fr) 2002-01-02
ES2323489T3 (es) 2009-07-17
DE10028997A1 (de) 2001-12-20
EP1167634A3 (fr) 2002-05-22
DE50114863D1 (de) 2009-06-10

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