EP2987918B1 - Tronçon de tige amovible - Google Patents

Tronçon de tige amovible Download PDF

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Publication number
EP2987918B1
EP2987918B1 EP14181290.9A EP14181290A EP2987918B1 EP 2987918 B1 EP2987918 B1 EP 2987918B1 EP 14181290 A EP14181290 A EP 14181290A EP 2987918 B1 EP2987918 B1 EP 2987918B1
Authority
EP
European Patent Office
Prior art keywords
jaw
stub
removable pin
jaw set
pin
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
EP14181290.9A
Other languages
German (de)
English (en)
Other versions
EP2987918A1 (fr
Inventor
Frank VAN KONINGSBRUGGE
John Van Gemert
Patrick Grant
Edward Van Amelsfoort
Carl MYERS
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.)
Caterpillar Work Tools BV
Original Assignee
Caterpillar Work Tools BV
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 Caterpillar Work Tools BV filed Critical Caterpillar Work Tools BV
Priority to EP14181290.9A priority Critical patent/EP2987918B1/fr
Priority to PCT/EP2015/067693 priority patent/WO2016026677A1/fr
Publication of EP2987918A1 publication Critical patent/EP2987918A1/fr
Application granted granted Critical
Publication of EP2987918B1 publication Critical patent/EP2987918B1/fr
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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
    • 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
    • E02F9/006—Pivot joint assemblies

Definitions

  • This disclosure relates to the field of tools for crushing and/or cutting material and more particularly to the field of tools having interchangeable jaw sets and frames adapted to receive the jaw sets.
  • a device for crushing and/ or cutting material is generally known.
  • the device may have a jaw set for example suitable for crushing concrete.
  • a different jaw set may be used for crushing or cutting other materials, for example for cutting scrap iron and/or iron sections.
  • different devices may be used for crushing or cutting different materials.
  • the jaw sets may be interchangeable in order to be used for varying work requirements.
  • EP2578752 discloses a demolition apparatus and an adapter frame of the demolition apparatus.
  • the demolition apparatus has a jaw set having a first jaw and a second jaw.
  • the first jaw is pivotably coupled to the second jaw.
  • the second jaw is pivotable about a pivot pin.
  • the ends of the pivot pin protrude from both sides of the jaw set.
  • the adapter frame is formed with coupling seats that engage the ends of the pivot pin on the jaw set to assemble the demolition apparatus.
  • the present disclosure is directed, at least in part, to improving or overcoming one or more aspects of the prior art system.
  • the present disclosure describes a jaw set and a demolition apparatus as set out in the appended set of claims.
  • FIG. 1 illustrates a demolition apparatus 10.
  • the demolition apparatus 10 comprise s a jaw set 12 and a frame 14.
  • the jaw set 12 and the frame 14 are mutually connectable.
  • the jaw set 12 and the frame 14 may be configured for mutual connection.
  • jaw set 12 comprise s a removable pin stub 20.
  • the removable pin stub 20 comprise s a flange portion 26 and a stub portion 28.
  • the flange portion 26 and the stub portion 28 may be monolithically formed.
  • flange portion 26 and stub portion 28 may be separately formed and subsequently connected to form the removable pin stub 20.
  • flange portion 26 may be configured to engage a side of the jaw set 12 so as to be fixed thereto.
  • the flange portion 26 ha s a first side 30 and a second side 32.
  • First side 30 may be substantially parallel to the second side 32.
  • Edge 27 may be formed between the first side 30 and the second side 32.
  • the first side 30 may have an inclined surface 29 formed at the periphery. Inclined surface 29 may surround first side 30. Inclined surface 29 may be interposed between the first side 30 and the edge 27.
  • the flange portion 26 ha s at least one through opening 34 extending from the first side 30 to the second side 32.
  • Flange portion 26 may be shaped as a disc.
  • flange portion 26 may have a plurality of through openings 34 arranged radially on the first side 30.
  • the flange portion 26 may have a recess 31 positioned at the centre thereof. Recess 31 may create a clearance for the transition (radius) between the stub portion 28 and the flange first side 30. The transition may reduce any interference with the edges of seat 40 so as to prevent fatigue failure.
  • Flange portion 26 may have an aperture (not shown) positioned on the second side 32.
  • the aperture may be centrally located on the second side 32.
  • the position of the aperture on the second side 32 may correspond to the position of the stub portion 28 on the first side 30.
  • the stub portion 28 may be configured to engage a part of the frame 14.
  • the stub portion 28 extend s from the first side 30 of the flange portion 26.
  • Stub portion 28 may be centrally positioned on the flange portion 26.
  • Stub portion 28 may be centrally positioned on the first side 30.
  • Stub portion 28 may extend perpendicularly relative to the first side 30.
  • the diameter of the stub portion 28 may be smaller than the dimensions of the flange portion 26.
  • the diameter of the stub portion 28 may be smaller than the diameter of the flange portion 26.
  • Stub portion 28 may be positioned in the recess 31.
  • Stub portion 28 may be formed as a rod.
  • the plurality of through openings 34 may be radially arranged about the recess 31.
  • the plurality of through openings 34 may be radially arranged about the stub portion 28.
  • the jaw set 12 may comprise a first jaw 16 and a second jaw 18.
  • the first jaw 16 and the second jaw 18 may be suitably provided for crushing concrete and/ or cutting iron sections.
  • the first jaw 16 may comprise two spaced-apart and parallel plates 17.
  • the plates 17 may be provided at an end of the first jaw 16.
  • the first jaw 16 may be provided with crushing or cutting tools for crushing or cutting activity.
  • the crushing or cutting tools may be connected to plates 17 of the first jaw 16.
  • the crushing or cutting tools may be suitably configured for engaging with the second jaw 18 for crushing or cutting activity.
  • the crushing or cutting tools may be blades, teeth or any other form of material engaging component.
  • the second jaw 18 may comprise two spaced-apart and parallel plates 19 at one end.
  • the plates 19 may be provided at an end of the second jaw 18.
  • the second jaw 18 may be provided with crushing or cutting tools for crushing or cutting activity.
  • the crushing or cutting tools may be connected to plates 19 of the second jaw 18.
  • the crushing or cutting tools may be suitably configured for engaging with the first jaw 16 for crushing or cutting activity.
  • the crushing or cutting tools may be blades, teeth or any other form of material engaging component.
  • first jaw 16 and the second jaw 18 are pivotally connected.
  • first jaw 16 and the second jaw 18 are pivotally coupled together by a pivot pin 22.
  • the pivot pin 22 may extends through the first jaw 16 and the second jaw 18 at the position of the pivotal connection.
  • the pivotal connection may lie on a pivot axis 24.
  • the pivot axis 24 may be coincident with the longitudinal axis of the pivot pin 22.
  • first jaw 16 and the second jaw 18 may be retained on the pivot pin 22 without play along the length of the pivot pin 22.
  • the first jaw 16 and the second jaw 18 may be retained on the pivot pin 22 so that lateral movement may be restricted and rotational movement may not be restricted.
  • the first jaw 16 and the second jaw 18 may each be provided with a passage to accommodate the pivot pin 22.
  • the plates 17, 19 may be provided with passages to accommodate the pivot pin 22.
  • the removable pin stub 20 is fastened to the first jaw 16 or the second jaw 18.
  • the stub portion 28 may protrude from an outer surface of the jaw set 12.
  • Stub portion 28 may-protrudes from a side of the jaw set 12.
  • Stub portion 28 may protrude perpendicularly with respect to the first jaw 16 and the second jaw 18.
  • the removable pin stub 20 is positioned at the pivot axis 24.
  • the removable pin stub 20 may be positioned on the jaw set 12 adjacent the pivot pin 22.
  • the removable pin stub 20 may be positioned such that the pivot axis 24 extends through the centre of the stub portion 28.
  • an end of the pivot pin 22 may abut the second side 32 of the flange portion 26.
  • Stub portion 28 may have the same diameter as the body of the pivot pin 22.
  • Removable pin stub 20 may be fastened to the jaw set 12.
  • the removable pin stub 20 may be fastened to a surface of either the first jaw 16 or the second jaw 18.
  • the flange portion 26 may be fastened to an outer surface of the jaw set 12.
  • the outer surface of the jaw set 12 may be defined as the surface that is immediately adjacent the frame 14 when the jaw set 12 is coupled to the frame 14. With the removable pin stub 20 on the outer surface the stub portion 28 may be available for engagement with the frame 14.
  • the flange portion 26 may be fastened to an outer surface of either the first jaw 16 or the second jaw 18. Flange portion 26 may be bolted to the outer surface of either the first jaw 16 or the second jaw 18. With reference to Fig. 1 , bolts 36 may be inserted through the through openings 34 to fasten the removable pin stub 20 to the first jaw 16 or the second jaw 18. The removable pin stub 20 may be removed by extracting the bolts 36.
  • the outer surface of the jaw set 12 may comprise a pocket 38 to receive the removable pin stub 20.
  • the pocket 38 may be formed by extensions from the outer surface of the jaw set 12.
  • the pocket 38 may engage the edge 27 of the flange portion 26.
  • a pair of removal pin stubs 20 may be positioned on opposite external surfaces of the jaw set 12.
  • the respective stub portions 28 may extend in opposite directions.
  • the respective stub portions 28 may be mutually aligned.
  • the pair of removal pin stubs 20 may be aligned on the pivot axis 24.
  • the pair of removable pin stubs 20 may be positioned such that the pivot axis 24 extends through the centre of the respective stub portions 28.
  • opposite ends of the pivot pin 20 may abut the second sides 32 of the respective flange portions 26.
  • the respective stub portions 28 may have the same diameter as the body of the pivot pin 22.
  • the pivot pin 22 may be interposed by the pair of removable pin stubs 20.
  • the jaw set 12 may further comprise a coupling pin 42.
  • the coupling pin 42 may be spaced from the pivotal connection of the first jaw 16 and the second jaw 18.
  • the coupling pin 42 may be spaced from the pivot pin 22.
  • the coupling pin 42 may extend through the second jaw 18.
  • the second jaw 18 may be provided with a passage to accommodate the coupling pin 42.
  • the coupling pin 42 may extend through the plates 19 of the second jaw 18.
  • the plates 19 may be provided with passages to accommodate the coupling pin 42.
  • the coupling pin 42 may be interposed by a pair of removal pin stubs 20.
  • the opposite ends of the coupling pin 42 may abut the second sides 32 of the respective flange portions 26.
  • the respective stub portions 28 may have the same diameter as the body of the coupling pin 42.
  • the demolition apparatus 10 comprises the jaw set 12 and the frame 14 that is connectable to an arm of a machine (not shown).
  • the frame 14 ha s at least one coupling seat 40 to engage the removable pin stub 20.
  • the frame 14 may have a pair of coupling seats 40 to couple the pair of removable pin stubs 20.
  • the jaw set 12 may be coupled to the frame 14.
  • the first jaw 16 may be movable connected to the second jaw 18 and the frame 14.
  • the second jaw 18 may be fixedly connected to the frame 14.
  • the removable pin stub 20 may be positioned on the second jaw 18.
  • the frame 14 may comprise a housing 44.
  • the housing 44 may comprise spaced-apart frame plates 46.
  • the frame plates 46 may be mutually parallel.
  • the frame plates 46 may be connected to an end plate 48.
  • the end plate 48 may be connected to ends of the frame plates 46 at an end of the housing 44 to form a limit for void 50.
  • the frame plates 46 may extend perpendicularly from the end plate 48.
  • the end plate 48 may bound at least two sides of the frame plates 46.
  • the end plate 48 may be substantially L-shaped in cross section. The sides of the frame plates 46 not bound by the end plate 48 may expose the void 50 to the exterior of the housing 44.
  • a cylinder 52 may be positioned in the housing 44.
  • the cylinder 52 may be positioned in the void 50 between the frame plates 46 and adjacent to the end plate 48.
  • a piston rod head 54 may be positioned beyond the sides of frame plates 46 not bound by the end plate 48.
  • the piston rod head 54 may extend in a direction away from the frame plates 46 and the housing 44. The direction of extension of piston rod head 54 may be parallel to the frame plates 46.
  • a mounting member 56 may be provided on the housing 44.
  • the mounting member 56 may enable the frame 14 to connect to the arm of a machine, for example a jib of an excavator.
  • the mounting member 56 may be suitably configured for the connection of the frame 14 to the machine arm.
  • the mounting member 56 may be provided on the end plate 48.
  • the mounting member 56 may be positioned adjacent the cylinder 52.
  • the coupling seat 40 may be positioned on the housing 44.
  • the frame 14 may have a pair of coupling seats 40 to couple the pair of aligned removable pin stubs 20.
  • the frame 14 may further comprise an engagement seat 58.
  • the frame 14 may have a pair of engagement seats 58 to couple a further pair of aligned removable pin stubs 20.
  • the coupling seats 40 may form the first points of engagement of the jaw set 12 and the frame 14.
  • the coupling seats 40 may engage a first pair of removable pin stubs 20 on the jaw set 12.
  • the first pair of removable pin stubs 20 may be adjacent the pivot pin 22.
  • the coupling seats 40 may have openings 51 to receive the first pair of removable pin stubs 20.
  • the coupling seats 40 may be configured to receive the stub portions 28.
  • the engagement seats 58 may form the second points of engagement of the jaw set 12 and the frame 14.
  • the engagement seats 58 may engage a second pair of removable pin stubs 20 on the jaw set 12.
  • the second pair of removable pin stubs 20 may be adjacent the coupling pin 42.
  • the engagement seats 58 may have openings 53 to receive the second pair of removable pin stubs 20.
  • the engagement seats 58 may be configured to receive the stub portions 28.
  • the removable pin stub 20 may be subject to forces generated in the jaw set 12. The forces may be transferred to the frame 14 through the removable pin stub 20 and may become worn. The worn removable pin stub 20 may be removed from the jaw set 12 and replaced with a new removable pin stub 20. The replacement may be effected without decoupling the first jaw 16 from the second jaw 18. The removable pin stubs 20 may be independently replaced. In the embodiment of the removal pin stub 20 being positioned at the pivot axis 24 the forces may not be transferred to the pivot pin 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Claims (12)

  1. Jeu de mâchoires (12) comprenant :
    une première mâchoire (16) accouplée de manière pivotante à une seconde mâchoire (18) au niveau d'un axe de pivotement (24) par un pivot de mâchoire (22) s'étendant à travers la première mâchoire (16) et la seconde mâchoire (18) au niveau de la position de la liaison pivotante
    caractérisé en ce que l'ensemble de mâchoires (12) comprend en outre au moins une tige de broche amovible (20), la tige de broche amovible (20) comprenant :
    une partie de bride (26) ayant un premier côté (30) et un second côté (32), la partie de bride (26) ayant au moins une ouverture traversante (34) s'étendant du premier côté (30) au second côté (32) ; et
    une partie formant tige (28) s'étendant du premier côté (30) de la partie de bride (26), la tige de broche amovible (20) étant fixée à la première mâchoire (16) ou à la seconde mâchoire (18) de telle sorte que la partie formant tige (28) fait saillie depuis une surface externe du jeu de mâchoires (12), dans lequel la tige de broche amovible (20) est positionnée au niveau de l'axe de pivot (24).
  2. Jeu de mâchoires (12) selon la revendication 1, dans lequel la tige de broche amovible (20) est fixée à la surface externe de l'ensemble de mâchoires (12).
  3. Jeu de mâchoires (12) selon les revendications 1 ou 2, dans lequel la surface externe du jeu de mâchoires (12) comprend une poche (38) pour recevoir la tige de broche amovible (20).
  4. Jeu de mâchoires (12) selon les revendications 1, 2 ou 3 comprenant une paire de tiges de broche amovibles (20) positionnées sur des surfaces externes opposées du jeu de mâchoires (12).
  5. Jeu de mâchoires (12) selon la revendication 4, dans lequel la paire de tiges de broche amovibles (20) sont alignées sur l'axe de pivot (24).
  6. Jeu de mâchoires selon les revendications 3 ou 4, dans lequel l'axe de pivot (22) est interposé par la paire de tiges de broche amovibles (20).
  7. Jeu de mâchoires (12) selon l'une quelconque des revendications précédentes, dans lequel la partie formant tige (28) est positionnée au centre sur la partie de bride (26).
  8. Jeu de mâchoires (12) selon l'une quelconque des revendications précédentes, dans lequel la partie de bride (26) a une pluralité d'ouvertures traversantes (34) agencées radialement autour de la partie formant tige (28).
  9. Jeu de mâchoires (12) selon l'une quelconque des revendications précédentes, dans lequel la partie de bride (26) est en forme de plateau circulaire.
  10. Jeu de mâchoires (12) selon l'une quelconque des revendications précédentes, dans lequel la partie de bride (26) présente un évidement (31) positionné sur le second côté (32).
  11. Appareil de démolition (10) comprenant :
    un jeu de mâchoires (12) selon les revendications 1 à 10 ; et
    un cadre (14) pouvant être relié à un bras d'une machine, le cadre (14) ayant au moins un siège d'accouplement (40) pour venir en prise avec la tige de broche amovible (20).
  12. Appareil de démolition selon la revendication 11, dans lequel la tige de broche amovible (20) est positionnée sur la seconde mâchoire (18), la seconde mâchoire (18) étant reliée fixement au cadre (14).
EP14181290.9A 2014-08-18 2014-08-18 Tronçon de tige amovible Active EP2987918B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14181290.9A EP2987918B1 (fr) 2014-08-18 2014-08-18 Tronçon de tige amovible
PCT/EP2015/067693 WO2016026677A1 (fr) 2014-08-18 2015-07-31 Tige de broche amovible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14181290.9A EP2987918B1 (fr) 2014-08-18 2014-08-18 Tronçon de tige amovible

Publications (2)

Publication Number Publication Date
EP2987918A1 EP2987918A1 (fr) 2016-02-24
EP2987918B1 true EP2987918B1 (fr) 2023-01-11

Family

ID=51357823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14181290.9A Active EP2987918B1 (fr) 2014-08-18 2014-08-18 Tronçon de tige amovible

Country Status (2)

Country Link
EP (1) EP2987918B1 (fr)
WO (1) WO2016026677A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101874052B1 (ko) * 2017-06-30 2018-07-04 대모 엔지니어링 주식회사 중장비용 크러셔

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755755A (fr) * 1969-09-04 1971-03-04 Caterpillar Tractor Co Perfectionnements aux charnières du type à cartouche.
US4243341A (en) * 1979-10-09 1981-01-06 General Motors Corporation Pivot construction
US5065514A (en) * 1990-09-25 1991-11-19 Ace Demolition Incorporated Attachment for metal demolition shears
JPH05321487A (ja) * 1992-05-27 1993-12-07 Sango Juki Kk 構築物破砕機の咬圧爪取付構造
US8308092B2 (en) * 1999-10-15 2012-11-13 Ramun John R Multiple tool attachment system with universal body with grapple
AUPS041302A0 (en) * 2002-01-17 2002-03-07 Went, Gregory N Concrete and rock hydraulically operated jaw crusher bucket
EP2749698B1 (fr) 2011-10-05 2016-08-31 Caterpillar Work Tools B. V. Appareil de démolition
NL2008684C2 (en) * 2011-12-29 2013-07-03 Rusch B V Demolition head and method of operating thereof.

Also Published As

Publication number Publication date
WO2016026677A1 (fr) 2016-02-25
EP2987918A1 (fr) 2016-02-24

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