EP1672126A2 - Dispositif hydraulique et procédé pour l'insertion et pour l'extraction de broches dans des flèches jointes de machines de construction. - Google Patents

Dispositif hydraulique et procédé pour l'insertion et pour l'extraction de broches dans des flèches jointes de machines de construction. Download PDF

Info

Publication number: EP1672126A2
Authority: EP; European Patent Office
Prior art keywords: booms; pins; pinned; boom; pin
Prior art date: 2004-12-14
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

EP05020075A

Other languages

German (de)

English (en)

Other versions

EP1672126B1 (fr

EP1672126A3 (fr

Inventor

Gabriele Rossetti

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.)

Volvo Construction Equipment AB

Original Assignee

PMI Padana Macchine Industriali SpA

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.)

2004-12-14

Filing date

2005-09-15

Publication date

2006-06-21

2005-09-15 Application filed by PMI Padana Macchine Industriali SpA filed Critical PMI Padana Macchine Industriali SpA

2006-06-21 Publication of EP1672126A2 publication Critical patent/EP1672126A2/fr

2007-06-06 Publication of EP1672126A3 publication Critical patent/EP1672126A3/fr

2009-12-30 Application granted granted Critical

2009-12-30 Publication of EP1672126B1 publication Critical patent/EP1672126B1/fr

2025-09-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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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
- E02F3/3636—Devices 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
- 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
- E02F3/369—Devices to connect parts of a boom or an arm

Definitions

the present invention relates to a hydraulic apparatus and a method for the insertion/extraction of pins on pinned booms of earth moving machines such as hydraulic excavators, with the aim of rendering rapid, safe and economical the use of pinned booms by an operator for coupling various equipment items, in particular for coupling a base boom comprised in the machine with excavation booms or demolition booms, or other types of booms, all of these booms being of pinned type.
the pins are inserted/extracted manually, with enormous time expenditure and considerable personnel costs.
the operator must be assisted by another person throughout the operation, which requires a sizeable physical effort in the presence of an injury hazard, in consideration of the weight of the pins to be handled and of the force needed for their insertion/extraction.
hydraulic cylinders are used to insert/extract the pins, according to two different procedures.
One procedure provides for a mechanical joint and a single pinning, which is achieved by means of two opposite cylinders, positioned externally to the boom and with the rods serving as a pin.
a second procedure provides for using a cylinder which actuates two half-pins by means of leverage mechanisms, but in this case too the cylinder with the pins work in overhang with the same problems as the first procedures.
An object of the present invention is to eliminate the aforesaid drawbacks making available an apparatus and a method for inserting/extracting pins which are safer and more economical and which allow a longer duration of the hydraulic cylinders.
the apparatus comprises at least one hydraulic cylinder applied internally, and not in overhang, on a pinned boom or on a part of the machine.
the method provides for the use of hydraulic cylinders operating internally and not in overhang relative to the booms or to parts of the frame of the machine wherein they are inserted.
the reference number 1 schematically designates a base boom mounted on an earth moving machine, such as an excavator.
a pinned excavation boom 2 with two positions (straight as in Figure 1 or bent as in Figure 2), which, however, can be any boom or pinned equipment able to be associated to the base boom 1.
Each pin in its motion of insertion and extraction in corresponding holes present in the booms and aligned at the time of the insertion/extraction, is associated to a corresponding actuator, which in the illustrated case is a hydraulic cylinder 4 and more specifically an upper hydraulic cylinder 4a and a lower hydraulic cylinder 4b.
each cylinder 4 is provided with a rod 5 whose end is rigidly connected by means of a bridge bracket 6 to the pin 3, in such a way that the extension of the rod corresponds to the complete extraction of the pin from the booms ( Figure 4 and 5) with the possibility of removing the excavation boom 2 or accessory boom relative to the base boom 1, whilst the retraction of the rod corresponds to the insertion of the pin into the booms ( Figure 3) with consequent fastening of the booms.
the insertion/extraction of the pins is thus achieved by operating the rods of the cylinders fastened thereto which, by means of a control positioned in the booth or otherwise in a control unit, allow a rapid insertion/extraction of said pins in mechanically perfect fashion, thanks also to the fact that mechanical abutments, not illustrated, are present, which allow a correct alignment of the holes 7 of the pins present on the base boom 1 and on the excavation boom 2.
the hydraulic cylinders 4 are positioned internally to the booms or otherwise to the frame of the machine and do not work in overhang as in the prior art, with considerable operative advantages, such as a better reliability and longer working life, thus reducing costs for the replacement of worn cylinders.
the insertion/extraction of the pins takes places with a single person, with execution times more than halved with respect to manual technology, without any injury hazard or physical effort for the operator.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Earth Drilling (AREA)
Coupling Device And Connection With Printed Circuit (AREA)
Shovels (AREA)
Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Quick-Acting Or Multi-Walled Pipe Joints (AREA)

EP05020075A 2004-12-14 2005-09-15 Flèche jointe pour machines de construction équipée d'un dispositif hydraulique pour l'insertion et pour l'extraction de broches de jonction. Expired - Lifetime EP1672126B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT000090A ITPR20040090A1 (it)	2004-12-14	2004-12-14	Apparato idraulico e procedimento per l'inserimento/estrazione di spine su bracci spinati di macchine movimento terra.

Publications (3)

Publication Number	Publication Date
EP1672126A2 true EP1672126A2 (fr)	2006-06-21
EP1672126A3 EP1672126A3 (fr)	2007-06-06
EP1672126B1 EP1672126B1 (fr)	2009-12-30

Family

ID=35945293

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05020075A Expired - Lifetime EP1672126B1 (fr)	2004-12-14	2005-09-15	Flèche jointe pour machines de construction équipée d'un dispositif hydraulique pour l'insertion et pour l'extraction de broches de jonction.

Country Status (4)

Country	Link
EP (1)	EP1672126B1 (fr)
AT (1)	ATE453761T1 (fr)
DE (1)	DE602005018593D1 (fr)
IT (1)	ITPR20040090A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014009908B3 (de) *	2014-07-06	2015-09-24	Johannes Burde	Vorrichtung zum Kuppeln von Fluid-führenden Leitungen an einer Auslegertrennstelle von mobilen Arbeitsmaschinen
CN111005413A (zh) *	2019-12-31	2020-04-14	三一重机有限公司	一种挖掘机及其控制方法
CN116220130A (zh) *	2023-05-08	2023-06-06	中铁二十四局集团福建铁路建设有限公司	一种隧道修建用平地机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2340466A1 (fr)	1976-09-27	1977-09-02	Poclain Sa	Dispositif d'assemblage par axes de deux elements
EP0615023A1 (fr)	1993-03-10	1994-09-14	Jean-Marie Gérard René Koehl	Dispositif d'assemblage en rotation d'un bras ou analogue avec et entre deux branches d'une pièce en forme de fourche

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE8910250U1 (de) *	1989-08-26	1989-11-30	Striebosch, Norbert, 4200 Oberhausen	Verriegelungszylinder
DE4102370A1 (de) *	1990-02-12	1991-08-14	Walter Fritzel	Loeffelbagger
DE4010224C2 (de) *	1990-03-30	1994-05-19	Porsche Ag	Schnellwechselvorrichtung
FI944214A0 (fi) *	1994-02-09	1994-09-13	Airi Raunisto	Snabbkopplingsanordning
JPH0941418A (ja) *	1995-08-02	1997-02-10	Komatsu Ltd	アタッチメントの着脱装置
KR200271162Y1 (ko) *	1999-05-11	2002-04-10	이원해	굴삭기의 굴착장비 착탈용 커플러
US6241455B1 (en) *	1999-08-31	2001-06-05	Case Corporation	Earth-moving machine bucket coupler
KR100430064B1 (ko) *	2001-05-18	2004-05-03	한국기계연구원	굴삭기용 퀵 커플러
DE10301644B3 (de) *	2003-01-17	2004-04-29	Franz Josef Schauer	Vorrichtung zum Montieren und Demontieren von Verbindungsbolzen zum Anlenken von Wechselauslegern an einer Baumaschine
FR2854909B1 (fr) *	2003-05-13	2006-08-04	Const Du Beaujolais Atel	Dispositif de couplage d'un outil a l'extremite de la fleche d'un engin, tel qu'une pelle hydraulique

2004
- 2004-12-14 IT IT000090A patent/ITPR20040090A1/it unknown
2005
- 2005-09-15 AT AT05020075T patent/ATE453761T1/de not_active IP Right Cessation
- 2005-09-15 EP EP05020075A patent/EP1672126B1/fr not_active Expired - Lifetime
- 2005-09-15 DE DE602005018593T patent/DE602005018593D1/de not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2340466A1 (fr)	1976-09-27	1977-09-02	Poclain Sa	Dispositif d'assemblage par axes de deux elements
EP0615023A1 (fr)	1993-03-10	1994-09-14	Jean-Marie Gérard René Koehl	Dispositif d'assemblage en rotation d'un bras ou analogue avec et entre deux branches d'une pièce en forme de fourche

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014009908B3 (de) *	2014-07-06	2015-09-24	Johannes Burde	Vorrichtung zum Kuppeln von Fluid-führenden Leitungen an einer Auslegertrennstelle von mobilen Arbeitsmaschinen
CN111005413A (zh) *	2019-12-31	2020-04-14	三一重机有限公司	一种挖掘机及其控制方法
CN116220130A (zh) *	2023-05-08	2023-06-06	中铁二十四局集团福建铁路建设有限公司	一种隧道修建用平地机
CN116220130B (zh) *	2023-05-08	2023-08-15	中铁二十四局集团福建铁路建设有限公司	一种隧道修建用平地机

Also Published As

Publication number	Publication date
EP1672126B1 (fr)	2009-12-30
ATE453761T1 (de)	2010-01-15
DE602005018593D1 (de)	2010-02-11
EP1672126A3 (fr)	2007-06-06
ITPR20040090A1 (it)	2005-03-14

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