EP1301313B1 - Appareil a percussion du type brise-roche - Google Patents

Appareil a percussion du type brise-roche Download PDF

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Publication number
EP1301313B1
EP1301313B1 EP01931830A EP01931830A EP1301313B1 EP 1301313 B1 EP1301313 B1 EP 1301313B1 EP 01931830 A EP01931830 A EP 01931830A EP 01931830 A EP01931830 A EP 01931830A EP 1301313 B1 EP1301313 B1 EP 1301313B1
Authority
EP
European Patent Office
Prior art keywords
tool
key
sleeve
piston
passage
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.)
Revoked
Application number
EP01931830A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1301313A1 (fr
Inventor
Jean Sylvain Comarmond
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.)
Montabert SAS
Original Assignee
Montabert SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8850169&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1301313(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Montabert SAS filed Critical Montabert SAS
Publication of EP1301313A1 publication Critical patent/EP1301313A1/fr
Application granted granted Critical
Publication of EP1301313B1 publication Critical patent/EP1301313B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/082—Retainers consisting of a swinging yoke or latching means
    • 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
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
    • E02F5/305—Arrangements for breaking-up hard ground

Definitions

  • the subject of the present invention is a percussion device of the rock breaker type, comprising a body in which is slidably mounted a piston driven alternately by an incompressible fluid under pressure, this body containing a part of a tool which is guided in translation in a wear sleeve, the end of the tool located inside the body being subjected to repeated impacts of the piston, while the other end protrudes from the body and is intended to bear on the rock or similar to destroy .
  • Such an apparatus is intended to be carried by a machine, such as an excavator or a backhoe, for use in demolition or quarrying blocks.
  • the wear bushing or sleeves which guide the tool in translation are generally assembled in the body of the apparatus, either by diametric clamping or by keying, or are made prisoner between two parts of the body of the apparatus.
  • the tool is retained in the axial direction of displacement by one or more transverse keys penetrating into a transverse groove that includes the tool, and in the bore of the lower part of the body of the device, called guide before.
  • the body of the device is, in turn, mounted in a frame that holds the device on the carrier machine and protect it from external shocks.
  • the frame maintains the body of the apparatus using conventional assembly means and independent of those mentioned above.
  • the object of the invention is to provide a percussion device of the breaker type, which has a simple structure, and in which the main components are assembled simply and quickly.
  • the present invention relates to a percussion apparatus, of the aforementioned type, characterized in that at least one of the retaining keys of the tool passes through aligned holes formed in the body, in the wear sleeve. and overflows inside the internal cylindrical space of the socket, the tool having a transverse groove for the passage of the key, and in that the percussion apparatus comprises a tubular frame of circular section or not, inside which is mounted the body, and which is provided with fixing means on a machine, the tubular frame having transverse holes corresponding to those formed in the body to allow the passage of each assembly key which also passes through the socket, the body and ensures the retention of the tool.
  • the retaining means of the tool are used to achieve the attachment of the wear sleeve in the body, and also serve to achieve the attachment of the tubular frame on the body.
  • the sleeve has a through notch, perpendicular to the axis of the sleeve, and extending over a portion of the periphery thereof.
  • the distance between the upper shoulder of the bushing forming a stop for the tool and the lower edge of the part of the key projecting into the bushing is less than the distance between the end the tool intended to bear against the shoulder and the edge of the groove located on the side of the free end of the tool.
  • the Figures 1 to 3 represent a first device comprising a body 2 equipped with a socket 3, inside which is slidably mounted a tool 4 of circular section.
  • the body 2 comprises a bore 5, in which is slidably mounted a piston 6 whose reciprocating movement is provided by a hydraulic fluid directed by a distributor 7 connected to the high pressure 9 and low pressure pipes 10.
  • the tool 4 comprises a groove 12, in which is engaged a transverse key 13, which passes through two holes 14 formed in the body 2, and a through notch 15 formed in the sleeve 3. This key can be held in place with the aid of pins 16. It should be noted that the dimension of the groove 12, considered in the axial direction, is greater than the diameter of the key 13.
  • the distance between the shoulder 17 of the sleeve 3 forming upper stop for the tool and the lower edge of the portion of the key 13 protruding into the sleeve is less than the distance between the end of the tool intended to bear against the shoulder 17 of the sleeve and the edge of the groove 12 located on the side of the free end of the tool.
  • the face 18 of the groove 12 comes into contact with the key 13 to ensure the axial retention of the tool 4 by the key.
  • the key 13 thus fulfills a dual function, on the one hand, axial retention of the tool 4 when the device is lifted and, on the other hand, locking the sleeve 3 inside the body 2.
  • the figure 4 represents a tubular frame 20 inside which is intended to be mounted the body 2.
  • This frame comprises a mounting plate 22 on a carrier vehicle whose arm is designated by the general reference 23.
  • the chassis comprises two coaxial holes 24 opening at two bosses 25 locally reinforcing the tubular portion of the frame. These two holes 24 serve for the passage of the key 13 which already carries the axial retention of the tool 4 and the fixing of the sleeve 3 in the body 2.
  • the figure 6 represents an alternative embodiment of this device, seen in cross section along the line VI-VI of figure 5 .
  • the device comprises two keys 13 arranged symmetrically on either side of the tool 4, which then has two symmetrical grooves 12.
  • the bosses 25 are arranged housing for circlips 26 retaining the keys 13.
  • the figure 7 represents a device similar to that of figure 6 but in which the body 2 and the frame 20 have a rectangular shape.
  • the locking in rotation of the body 2 and the frame 20 is obtained by the combination of the two rectangular forms embedded in one another.
  • the keys 13 realize the locking in rotation of these two parts.
  • the number of keys 13 used is a function of the geometry of the tool and the power of the percussion device.
  • the invention brings a great improvement to the existing technique by providing a percussion apparatus of simple structure, and in which several components are assembled in a simple and fast manner using wedges fulfilling several functions.
  • the frame may not be tubular, but constituted by braced plates, without departing from the scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
EP01931830A 2000-05-12 2001-05-09 Appareil a percussion du type brise-roche Revoked EP1301313B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0006095 2000-05-12
FR0006095A FR2808720B1 (fr) 2000-05-12 2000-05-12 Appareil a percussion du type brise-roche
PCT/FR2001/001403 WO2001085398A1 (fr) 2000-05-12 2001-05-09 Appareil a percussion du type brise-roche

Publications (2)

Publication Number Publication Date
EP1301313A1 EP1301313A1 (fr) 2003-04-16
EP1301313B1 true EP1301313B1 (fr) 2009-01-14

Family

ID=8850169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01931830A Revoked EP1301313B1 (fr) 2000-05-12 2001-05-09 Appareil a percussion du type brise-roche

Country Status (16)

Country Link
US (1) US6857482B2 (pt)
EP (1) EP1301313B1 (pt)
JP (1) JP2004513791A (pt)
KR (1) KR100755987B1 (pt)
CN (1) CN1253289C (pt)
AT (1) ATE420749T1 (pt)
AU (1) AU783852B2 (pt)
BR (1) BR0110793A (pt)
CA (1) CA2408130C (pt)
DE (1) DE60137427D1 (pt)
ES (1) ES2320732T3 (pt)
FR (1) FR2808720B1 (pt)
IL (1) IL152657A0 (pt)
NO (1) NO318398B1 (pt)
WO (1) WO2001085398A1 (pt)
ZA (1) ZA200208748B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2808720B1 (fr) * 2000-05-12 2002-07-26 Montabert Ets Appareil a percussion du type brise-roche
DE10044387A1 (de) * 2000-09-08 2002-04-04 Bosch Gmbh Robert Werkzeughalterung für eine Handwerkzeugmaschine
FR2863533B1 (fr) * 2003-12-15 2007-05-04 Montabert Roger Dispositif de retenue d'une clavette d'outil pour appareil de demolition a percussion
FR2863518B1 (fr) * 2003-12-15 2006-01-13 Montabert Roger Dispositif d'assemblage du carter et du corps d'un brise roche hydraulique
DE10360008B4 (de) * 2003-12-19 2006-04-06 Wacker Construction Equipment Ag Vorrichtung für einen Bohr- oder Schlaghammer mit Werkzeugaufnahme
DE10360077A1 (de) * 2003-12-20 2005-07-21 Robert Bosch Gmbh Werkzeughalterung für eine Handwerkzeugmaschine
SE528035C2 (sv) * 2004-03-12 2006-08-15 Atlas Copco Constr Tools Ab Hydraulisk brythammare med smord verktygshylsa
WO2006123950A1 (en) * 2005-05-16 2006-11-23 Rocktec Limited Improved breaking machine
KR100727175B1 (ko) * 2005-08-08 2007-06-13 현대자동차주식회사 이종기공성 탄소체의 제조방법
FR2889978B1 (fr) * 2005-08-31 2008-10-17 Adiapress Sarl Dispositif de montage de poincons avec insert notamment pour machine utilisant la transformation de l'energie adiabetique
DE102005062777A1 (de) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Schlagbolzen für ein Schlagwerk
US7503628B2 (en) * 2006-09-01 2009-03-17 Hall David R Formation breaking assembly
KR101193806B1 (ko) * 2012-03-19 2012-10-23 윤영덕 다수의 치즐봉을 갖는 브레이커용 치즐어셈블리
US20210129311A1 (en) * 2019-10-31 2021-05-06 Adam Carter Universal Chisel Attachment
DE102022100972A1 (de) 2022-01-17 2023-07-20 Albrecht Präzision GmbH & Co. KG Spannbauteil und Werkzeughalter

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468737A (en) * 1935-11-30 1937-07-12 Siemens Ag Improvements in and relating to chuck arrangements for receiving tool-bits of percussive tools
US2990187A (en) * 1960-06-01 1961-06-27 Skil Corp Adapter for non-rotary tool elements used with a rotary-hammer device
US3097859A (en) * 1961-11-13 1963-07-16 Master Power Corp Detent coupling means for socket of rotary power tool
US3390897A (en) * 1965-08-13 1968-07-02 Esquire Inc Connector
US3841672A (en) * 1973-03-02 1974-10-15 Dale Prod Inc Tube coupling for smooth walled tubes
DE2419631A1 (de) * 1974-04-24 1975-11-06 Upat Max Langensiepen Kg Bohrhammer od. dgl. mit einer werkzeugaufnahme-vorrichtung fuer ein schlagbohrwerkzeug
JPS5042002U (pt) * 1973-08-20 1975-04-28
DE2354168C2 (de) * 1973-10-30 1984-10-04 Robert Bosch Gmbh, 7000 Stuttgart Werkzeughalter für einen Bohrhammer
US4605348A (en) * 1982-10-29 1986-08-12 Textron Inc. Quick release adapter
SU1253767A1 (ru) * 1983-06-20 1986-08-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Механизированного И Ручного Строительно-Монтажного Инструмента,Вибраторов И Строительно-Отделочных Машин Устройство дл креплени рабочего инструмента в машине ударного действи
DE3744091A1 (de) * 1987-12-24 1989-07-13 Hilti Ag Werkzeughalter fuer bohr- und meisselgeraete und werkzeug
FR2692187B1 (fr) * 1992-06-16 1997-06-20 Montabert Ets Dispositif de maintien de l'outil d'un brise roche hydraulique.
SE500705C2 (sv) * 1992-12-18 1994-08-15 Berema Atlas Copco Ab Låsningsanordning vid maskinhammare
US5317894A (en) * 1993-03-12 1994-06-07 Rockford Products Corporation Quick change insert system
EP0733443B1 (de) * 1995-03-24 1997-10-29 HILTI Aktiengesellschaft Vorrichtung zur Übertragung von impulsartigen Schlägen auf ein kontinuierlich rotierendes Werkzeug
US5893419A (en) * 1997-01-08 1999-04-13 Fm Industries, Inc. Hydraulic impact tool
FR2808720B1 (fr) * 2000-05-12 2002-07-26 Montabert Ets Appareil a percussion du type brise-roche

Also Published As

Publication number Publication date
ATE420749T1 (de) 2009-01-15
CA2408130A1 (fr) 2001-11-15
DE60137427D1 (de) 2009-03-05
NO318398B1 (no) 2005-03-14
FR2808720B1 (fr) 2002-07-26
ES2320732T3 (es) 2009-05-28
CN1253289C (zh) 2006-04-26
KR20030007596A (ko) 2003-01-23
NO20025387L (no) 2003-01-03
AU783852B2 (en) 2005-12-15
AU5852201A (en) 2001-11-20
CN1429145A (zh) 2003-07-09
US6857482B2 (en) 2005-02-22
FR2808720A1 (fr) 2001-11-16
WO2001085398A1 (fr) 2001-11-15
ZA200208748B (en) 2003-07-28
EP1301313A1 (fr) 2003-04-16
NO20025387D0 (no) 2002-11-11
BR0110793A (pt) 2003-05-13
JP2004513791A (ja) 2004-05-13
US20040011542A1 (en) 2004-01-22
CA2408130C (fr) 2008-08-12
IL152657A0 (en) 2003-06-24
KR100755987B1 (ko) 2007-09-06

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