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WO2000037742A1 - Agencement d'outil - Google Patents

Agencement d'outil Download PDF

Info

Publication number
WO2000037742A1
WO2000037742A1 PCT/SE1999/002235 SE9902235W WO0037742A1 WO 2000037742 A1 WO2000037742 A1 WO 2000037742A1 SE 9902235 W SE9902235 W SE 9902235W WO 0037742 A1 WO0037742 A1 WO 0037742A1
Authority
WO
WIPO (PCT)
Prior art keywords
projection
tool
belonging
end wall
projections
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.)
Ceased
Application number
PCT/SE1999/002235
Other languages
English (en)
Inventor
Ove Hammarstrand
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
Priority claimed from SE9804280A external-priority patent/SE9804280D0/xx
Priority claimed from SE9902120A external-priority patent/SE521905C2/sv
Application filed by Individual filed Critical Individual
Priority to AU17020/00A priority Critical patent/AU1702000A/en
Priority to EP99960077A priority patent/EP1137851A1/fr
Publication of WO2000037742A1 publication Critical patent/WO2000037742A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E02F3/3627—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/24—Single members engaging the loads from one side only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions

Definitions

  • the present invention refers generally to a tool coupling, and more spe- cifically to such a tool coupling comprising a first part belonging to a tool holder and a second part belonging to a tool.
  • the parts mentioned are adapted for being easily connected to each other and easily disconnected from each other.
  • the invention also describes means, which can with a displacement mechanism or similar force the parts into a locking position or a released position. More specifically, the present invention describes that the first part should be provided with at least one projection and the second part be provided with at least one recess.
  • the projection and the recess should be in a co-operating position when the parts are in a locking position.
  • Tool couplings of the type mentioned in the introduction are earlier known in many embodiments. It is thus known that a first part of the tool coupling can be attached to the front part of a lifting means of a power unit, and a second part of the tool coupling can be attached to a tool as a part belonging to the tool.
  • one technical problem with a tool coupling as stated above must be to create such conditions that a first part belonging to a tool holder and a second part belonging to a tool can be made to co-operate with each other in a simple way, when the first part is attached to the free end of a manoeuvrable arm of a crane in a lifting machine arrangement.
  • the invention also comprises a unitary second part belonging to the tool, well designed to be used together with a tool coupling with a first part belonging to a tool holder of the kind described in the introductory portion.
  • the present invention presumes a tool holder with properties mentioned above, where according to the invention said first part shall be provided with at least two projections extending in opposite directions, and said second part is provided with at least two holes located in relation to said second part, said projections being adapted for co-operation with said holes, and at least one projection doing this by locking the parts against each other when in a first extended position, and disengaging the parts in a second retracted position
  • a first projection is rigidly located in relation to the first part while the second is slidably located in a direction coinciding with or parallel to the centre line of the projection
  • one projection should be rigidly arranged, and that the two slidable projections should be arranged to co- operate with one hole each in the same end wall
  • the rigid projection is located between the extended centre lines of the two slidable or movable projections
  • V-shaped gullet or similar in the second part where the gullet is utilised for guiding the first part until one or two projections are brought into alignment with corresponding holes in the second part
  • the first part is provided with a plug shaped for co-operation with the V-shaped gullet
  • the present invention specifically suggests an embodiment where the single rigid projection should be claw-shaped and be in part diverging downward, in part diverging upward, and tapering at least in the upward direction
  • the invention also comprises a part belonging to the tool, consisting of a unit, which is easily applicable to any chosen tool.
  • a plate or similar with two end walls, said end walls diverging from the plate, and in one end wall a hole symmetrically with respect to the plate.
  • each end wall is between 5 and 15 degrees, preferably around 10 degrees.
  • the upper edge of one of the end walls should serve as a supporting surface during an arcuate motion of the first part.
  • An opposite end wall is then adapted to receive the first part with close tolerance.
  • the sidewalls should be adapted to extend past an end wall to provide a pair of support surfaces for the first part.
  • the side walls between the end walls should form parallel supporting surfaces for the first part, and that said support surfaces then are arranged to extend upward and be located above the end walls and beyond an end wall.
  • the main advantages which may be regarded as characteristic of a tool coupling according to the present invention are that conditions have been created for simply connecting a first part belonging to the tool holder and a second part belonging to the tool, even when the first part is supported without angular restriction such as by a universal joint or gimbals.
  • the means to bring the parts to an interlocked position comprises at least one slidingly movable projection belonging to the first part.
  • the invention further describes a second part belonging to the tool, which in a simple way can be applied to any tool, and which irrespective of where it has been applied to the tool offers a simple method to bring the first part belonging to the holder into a co-operating position relative to the second part, and to lock the parts relative to each other once they have reached such a co-operating position.
  • Figure 1 shows a side view of a pallet handling operation, when a loaded pallet is in a suspended position, hanging freely without angular restriction in a tool coupling as described by the invention
  • Figure 2 shows the pallet supported on a floor with the pallet forks partly with- drawn from the pallet
  • Figure 3 shows a side view of a first part belonging to the tool holder, specifically the part attached to a crane arm of a machine to hold the tool
  • Figure 4 shows a sectioned side view of a second part, belonging to the tool, of a first embodiment of a tool coupling
  • Figure 5 shows a first sectioned end view of the second part according to figure 4
  • Figure 6 shows a horizontal view of the second part according to figure 4
  • Figure 7 shows a second sectioned end view of the second part according to figure 4
  • Figure 8 shows a sectioned side view of a second part, belonging to the tool, of a second embodiment differing from figures 4-7 but shown in figures 1 and 2
  • Figure 9 shows a first sectioned side view of the second part according to figure 8
  • Figure 10 shows a horizontal view of the second part according to figure 8
  • Figure 11 shows a second sectioned end view of the second part according to figure 10
  • Figure 12 shows an initial position when a first part is going to be moved towards co-operating with a second part
  • Figure 13 shows the two parts in a slightly advanced position
  • Figure 14 shows the two parts in a final co-operating position
  • Figure 15 shows a partial enlarged view of the position according to figure 12, where the first part is about to start a partly arcuate rotatory motion around a centre of rotation defined by a supporting surface or edge at an end wall belonging to the second part.
  • Figure 1 thus shows a side view of an equipment for lifting pallets, where a crane arrangement 4 of a crane vehicle not shown at its free end 4a is provided with a tool coupling according to the invention.
  • the tool coupling 5 is here shown as connected to link means 53, a rota- tor and a holder as previously mentioned in the Swedish patent application referred to above.
  • the tool coupling 5 proposed by the invention consists of a first part 51 belonging to the tool holder, and a second part 52 belonging to the tool, where figure 1 shows the parts 51 , 52 in a position where they are co-operating and in- terlocked.
  • Figure 1 thus shows that the second part 52 is connected by a bolt connection 54 to a pallet fork 2, the fork points 2a of which are used to carry a pallet 3 with a load 3a.
  • a centre of gravity Tp will be located by a vertical line 6 straight below a joint 4b employed to connect the link means to the crane arm 4.
  • a piston and cylinder 7 with related parts is installed for tilting and moving the pallet fork 2.
  • the centre of gravity Tp will be located by a vertical line 6' right below the angularly mobile joint 4b when the pallet 3 which with its load 3a is resting on a floor G.
  • figure 2 shows in a lateral view the first part 51 belonging to the holder.
  • Figure 4 shows a sectioned lateral view of the second part 52 belonging to the tool, and attached in a known way to a tool such as the frame 2b of a pallet fork.
  • the parts mentioned 51 , 52 are adapted the be easily moved into a co- operating position through angular motions, and easily be disengaged from each other, with appropriate means for defining one fully co-operating lockable position and one fully disengaged position.
  • Said first part 51 is provided with at least one projection 10
  • Said second part 52 is provided with at least one hole 10a.
  • the parts can be locked relative to each other by locking means, here shown as a slidable projection 1 1 .
  • Said first part 51 is adapted to have at least two projections 10, 1 1 extending away from each other.
  • Said second part 52 is provided with at least two holes 10a, 1 1 a adapted to fit the projections and related to said part.
  • the holes 10a and 11a are consequently related to said part 52.
  • the projections 10, 1 1 are adapted for co-operation with said holes, and at least one of these projections is adapted to be said locking means, with a pos- sibility to lock the parts to each other when it is in an extended position, and to leave the parts free to move relative to each other when it is in a retracted position shown in figure 3.
  • one projection 10 is rigid while the other is slidable in a direction related to the centre line 1 1 ' of the projection 1 1 .
  • the total number of projections can be chosen to three, where two of those are made slidable or otherwise movable, and that the latter projections 1 1 , 12 are employed for co-operating with holes in one single end wall.
  • the two slidable projections 1 1 , 12 located one on each side of the centre line of the rigid projection 10 or its extension.
  • the slidable projections 1 1 , 12 are located in the same plane as the rigid projection 10.
  • V-shaped gullet 45 or corresponding in the second part 52 is adapted to guide the first part 51 until one or two slidable projections are aligned with corresponding holes 1 1 a, 12a of the second part.
  • the first part is provided with a plug 45a shaped for co-operation with the V-shaped gullet 45.
  • the rigid projection 10 is claw-shaped since it is first diverging obliquely downwards, then diverging obliquely upwards, and in any case tapering forward- upwards.
  • the reason for making the projection 10 tapering is to make it easier to connect with the hole 10a in the end wall 42.
  • the first centre line 10a of the claw-shaped portion should form an angle d of up to 20 degrees, preferably around 10 degrees.
  • a second centre line 10b should form an angle e of between 10 and 60 degrees, preferably between 30 and 50 degrees, or around 40 degrees, relative to the first centre line 10a.
  • the portion of the claw-shaped part which covers the first centre line 10a should have a length slightly less than its diameter, such as 60-90 % less than said diameter.
  • the portion of the claw-shaped part which covers the second centre line should have a length slightly less than its diameter, such as 60-90 % less than said diameter.
  • An upper surface 10c could be oriented parallel to the second centre line 10b but should rather form an angle f less than 40 degrees, preferably between 10 and 30 degrees, such as around 20 degrees.
  • a lower surface 10d could be oriented parallel to the second centre line
  • an angle twice the cone angle can be selected to the angle value equal to -f- + -g- or somewhat less.
  • the second part 52 belonging to the tool consists according to figure 4 of a base plate 40, from which base plate two end walls 41 , 42 are extending.
  • Said end walls are diverging from the base plate 40 forming angles a, b.
  • the angles a, b are depicted as equal and can vary between 5 and 20 degrees, preferably between 8 and 15 degrees.
  • the illustrated embodiment shows an angle of divergence of 10 degrees for each end wall.
  • Said holes in said end walls for instance the hole 10a in the end wall 42, are made circular, and the centre line 10a' referring to the hole 10a oriented at right angle to the plane 42' associated with the end wall 42.
  • One of the end walls such as the end wall 42 has an upper surface 42a and this surface serves as a support and a centre for an arcuate motion of the first part 51 when it is moved into co-operating with the second part 52.
  • An opposite end wall 41 is then adapted to receive the part belonging to the holder.
  • FIGS 8 - 1 1 show an alternative embodiment for the second part 52' belonging to the tool.
  • the side walls 43a', 44a' are extended upwards as shown in figure 8.
  • FIG. 8 also shows that in addition to the support surface 42a and the two support surfaces 44b, 44c there are further support surfaces 44d, 44e each belonging to a side wall 43a', 44a'.
  • the latter support surfaces 44d, 44e are made to extend upward and be located above the end walls.
  • Figure 2 illustrates in its enlarged part, that the support surface 44c is located to be able to contact one lug while the support surface 44e is shown in contact with another lug further behind, and thereby the first part 51 is forcibly guided as it is moved towards co-operation with the second part 52.
  • FIGS 12 - 14 they show in sequence how the first part 51 belonging to the tool holder is moved into co-operation with the second part 52 belonging to the tool.
  • Figure 12 shows that the first claw-shaped projection 10 is to be inserted into the hole 10a while the first part 51 is tilted upwards with respect to the second part 52.
  • a guide part 51 a see detail figure 15, will contact and press against the support surface 42a.
  • the tip 10h of the projection 10 is forced to make an arcular motion along part of a circle 150, with the centre of the circle at the support surface 42a,while the claw is successively inserted farther into the hole 10a.
  • FIG. 13 shows a position when the rear portion 51 ' is about to contact the inner surface of the end wall 41 with high precision.
  • Figure 14 shows when the first part 51 is in a fully co-operating position with the second part, immediately before the projections 1 1 , 12 are slidingly extended to co-operate with the holes 1 1 a, 12a in order to lock the parts 51 , 52 to- gether.
  • the hole 10a could advantageously be provided with an inner wear protection, such as a wear ring 10a' of hard steel.
  • an inner wear protection such as a wear ring 10a' of hard steel.
  • the V-shaped gullet 45 is formed by two diverging surfaces 45a, 45b which at the widest opening merge into support surfaces 45c, 45d which are parallel to the bottom plate 40. Said surfaces 45a, 45b, 45c, 45d are aimed to guide the first part 51 to an exact position relative to the part 52 by co-operation with corresponding surfaces on the part 51 positioned adjacent the position 51 '.
  • the claw 10 can be inserted in the hole 10a and the tool be lifted during the initial co-operation, and the first part 51 be later made to enter the second part 52 by a tilting motion of the piston and cylinder 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)

Abstract

L'invention concerne un couplage d'outils (5) consistant en une première partie (51) appartenant à un porte-outil et en une seconde partie (52) appartenant à un outil, ces parties étant conçues pour pouvoir facilement se coupler par coopération et se désaccoupler. Un dispositif (11) permet de joindre lesdites parties (51, 52) en position interverrouillée et en position déverrouillée. La première partie (51) est pourvue d'au moins une partie saillante (10) tandis que le seconde partie est pourvue d'au moins un évidement (10a). Lorsque la partie saillante (10) et l'évidement (10a) sont en position de coopération complète, dans laquelle les parties sont prêtes à être interverrouillées, ledit dispositif peut être actionné. La première partie (51) est pourvue d'au moins deux parties saillantes (10, 11) dirigées dans des sens opposés. La seconde partie (52) est pourvue d'au moins deux trous opposés l'un à l'autre (11a, 12a) et correspondant chacun à une paroi d'extrémité de ladite seconde partie (52). Ledit dispositif (11) peut être constitué par au moins une partie saillante (11) permettant, dans une première position de ladite partie saillante (11), d'interverrouiller les parties (51, 52), de manière qu'elles coopèrent rigidement entre elles, et dans une seconde position de ladite partie saillante (11), de déverrouiller et désaccoupler les parties (51, 52), de manière qu'elles puissent être séparées.
PCT/SE1999/002235 1998-12-10 1999-12-01 Agencement d'outil Ceased WO2000037742A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU17020/00A AU1702000A (en) 1998-12-10 1999-12-01 Tool arrangement
EP99960077A EP1137851A1 (fr) 1998-12-10 1999-12-01 Agencement d'outil

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9804280A SE9804280D0 (sv) 1998-12-10 1998-12-10 Krantillhörigt redskapsfäste
SE9804280-7 1998-12-10
SE9902120-6 1999-06-07
SE9902120A SE521905C2 (sv) 1999-06-07 1999-06-07 Redskapsfäste

Publications (1)

Publication Number Publication Date
WO2000037742A1 true WO2000037742A1 (fr) 2000-06-29

Family

ID=26663456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1999/002235 Ceased WO2000037742A1 (fr) 1998-12-10 1999-12-01 Agencement d'outil

Country Status (3)

Country Link
EP (1) EP1137851A1 (fr)
AU (1) AU1702000A (fr)
WO (1) WO2000037742A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065699A1 (fr) * 2003-01-24 2004-08-05 Claudi Herguido Fo Dispositif a accouplement rapide pour outils d'excavatrices ou d'engins similaires
EP1479830A1 (fr) * 2003-05-22 2004-11-24 Burkhard Schuster Dispositif pour accoupler un outil à un bras d'excavatrice et outil pour travailler le sol
AT413117B (de) * 2003-04-24 2005-11-15 Baumaschinentechnik Ges M B H Anbauplatte für schnellwechselvorrichtung
WO2008000097A1 (fr) * 2006-06-27 2008-01-03 Oscar Meier Ag Dispositif d'accouplement et engin de terrassement comportant un tel dispositif d'accouplement
EP2159334A1 (fr) 2008-08-29 2010-03-03 Riedlberger GmbH Dispositif d'attache outil
EP2426275A3 (fr) * 2006-01-13 2015-03-04 John R. Ramun Système modulaire pour raccorder des accessoires à une machine de construction
US10106949B2 (en) * 2016-03-18 2018-10-23 Caterpillar Work Tools B.V. Coupler for an implement assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353454A1 (fr) * 1988-07-20 1990-02-07 V.T.N. BENNE S.r.l. Dispositif d'attelage rapide de pelles, notamment sur un engin de terrassement
US5107610A (en) * 1991-01-22 1992-04-28 Nicholas Fusco Quick-coupling connector for backhoes and the like
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
GB2259293A (en) * 1992-10-20 1993-03-10 Hugh Robert Edeleanu Excavator bucket coupling system
US5333695A (en) * 1992-05-08 1994-08-02 Lehnhoff Hartstahl Gmbh & Co. Quick change device
WO1995018894A1 (fr) * 1994-01-11 1995-07-13 Pierre Le Grand Systeme de serrage rapide pour pelles mecaniques

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353454A1 (fr) * 1988-07-20 1990-02-07 V.T.N. BENNE S.r.l. Dispositif d'attelage rapide de pelles, notamment sur un engin de terrassement
US5107610A (en) * 1991-01-22 1992-04-28 Nicholas Fusco Quick-coupling connector for backhoes and the like
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
US5333695A (en) * 1992-05-08 1994-08-02 Lehnhoff Hartstahl Gmbh & Co. Quick change device
GB2259293A (en) * 1992-10-20 1993-03-10 Hugh Robert Edeleanu Excavator bucket coupling system
WO1995018894A1 (fr) * 1994-01-11 1995-07-13 Pierre Le Grand Systeme de serrage rapide pour pelles mecaniques

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065699A1 (fr) * 2003-01-24 2004-08-05 Claudi Herguido Fo Dispositif a accouplement rapide pour outils d'excavatrices ou d'engins similaires
ES2230981A1 (es) * 2003-01-24 2005-05-01 Claudi Herguido Fo Dispositivo de acoplamiento rapido para implementos de maquinas excavadoras o analogas.
ES2230981B1 (es) * 2003-01-24 2007-03-01 Claudi Herguido Fo Dispositivo de acoplamiento rapido para implementos de maquinas excavadoras o analogas.
AT413117B (de) * 2003-04-24 2005-11-15 Baumaschinentechnik Ges M B H Anbauplatte für schnellwechselvorrichtung
EP1479830A1 (fr) * 2003-05-22 2004-11-24 Burkhard Schuster Dispositif pour accoupler un outil à un bras d'excavatrice et outil pour travailler le sol
EP2426275A3 (fr) * 2006-01-13 2015-03-04 John R. Ramun Système modulaire pour raccorder des accessoires à une machine de construction
WO2008000097A1 (fr) * 2006-06-27 2008-01-03 Oscar Meier Ag Dispositif d'accouplement et engin de terrassement comportant un tel dispositif d'accouplement
EP2363536A3 (fr) * 2006-06-27 2011-12-07 Oscar Meier AG Dispositif d'accouplement et machine de déplacement terrestre dotée d'un tel dispositif d'accouplement
EP2159334A1 (fr) 2008-08-29 2010-03-03 Riedlberger GmbH Dispositif d'attache outil
US10106949B2 (en) * 2016-03-18 2018-10-23 Caterpillar Work Tools B.V. Coupler for an implement assembly

Also Published As

Publication number Publication date
EP1137851A1 (fr) 2001-10-04
AU1702000A (en) 2000-07-12

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