ITBA20120019A1 - SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT - Google Patents

SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT

Info

Publication number
ITBA20120019A1
ITBA20120019A1 IT000019A ITBA20120019A ITBA20120019A1 IT BA20120019 A1 ITBA20120019 A1 IT BA20120019A1 IT 000019 A IT000019 A IT 000019A IT BA20120019 A ITBA20120019 A IT BA20120019A IT BA20120019 A1 ITBA20120019 A1 IT BA20120019A1
Authority
IT
Italy
Prior art keywords
extractor
shock
hydraulic circuit
optimized hydraulic
optimized
Prior art date
Application number
IT000019A
Other languages
Italian (it)
Inventor
Gianmichele Calo'
Oscar Carrisi
Giacomo Catanzaro
Original Assignee
Tecna Group Srl
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 Tecna Group Srl filed Critical Tecna Group Srl
Priority to IT000019A priority Critical patent/ITBA20120019A1/en
Publication of ITBA20120019A1 publication Critical patent/ITBA20120019A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • B25D9/265—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
IT000019A 2012-03-21 2012-03-21 SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT ITBA20120019A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT000019A ITBA20120019A1 (en) 2012-03-21 2012-03-21 SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000019A ITBA20120019A1 (en) 2012-03-21 2012-03-21 SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT

Publications (1)

Publication Number Publication Date
ITBA20120019A1 true ITBA20120019A1 (en) 2013-09-22

Family

ID=46147565

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000019A ITBA20120019A1 (en) 2012-03-21 2012-03-21 SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT

Country Status (1)

Country Link
IT (1) ITBA20120019A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281587A (en) * 1978-03-31 1981-08-04 Garcia Crespo Jose T Hydraulic apparatus for producing impacts
US20020185285A1 (en) * 2001-05-12 2002-12-12 Torsten Ahr Method and apparatus for protecting a fluid-operated percussion device against no-load strokes
US20080296035A1 (en) * 2004-07-21 2008-12-04 Stefan Lohmann Striking Device in Particular a Hydraulic Hammer Driven
US20100084152A1 (en) * 2007-05-25 2010-04-08 Montabert Percussion device actuated by a pressurized non-compressible fluid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281587A (en) * 1978-03-31 1981-08-04 Garcia Crespo Jose T Hydraulic apparatus for producing impacts
US20020185285A1 (en) * 2001-05-12 2002-12-12 Torsten Ahr Method and apparatus for protecting a fluid-operated percussion device against no-load strokes
US20080296035A1 (en) * 2004-07-21 2008-12-04 Stefan Lohmann Striking Device in Particular a Hydraulic Hammer Driven
US20100084152A1 (en) * 2007-05-25 2010-04-08 Montabert Percussion device actuated by a pressurized non-compressible fluid

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ITBA20120019A1 (en) SHOCK EXTRACTOR WITH OPTIMIZED HYDRAULIC CIRCUIT