AU3862797A - Hydraulic percussion device - Google Patents

Hydraulic percussion device

Info

Publication number
AU3862797A
AU3862797A AU38627/97A AU3862797A AU3862797A AU 3862797 A AU3862797 A AU 3862797A AU 38627/97 A AU38627/97 A AU 38627/97A AU 3862797 A AU3862797 A AU 3862797A AU 3862797 A AU3862797 A AU 3862797A
Authority
AU
Australia
Prior art keywords
percussion device
hydraulic percussion
hydraulic
percussion
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.)
Abandoned
Application number
AU38627/97A
Inventor
Pasquale Marrone
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.)
IDROMECCANICA ITALIANA Srl
Original Assignee
IDROMECCANICA ITALIANA 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 IDROMECCANICA ITALIANA Srl filed Critical IDROMECCANICA ITALIANA Srl
Publication of AU3862797A publication Critical patent/AU3862797A/en
Abandoned legal-status Critical Current

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
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Percussive Tools And Related Accessories (AREA)
AU38627/97A 1997-07-23 1997-07-23 Hydraulic percussion device Abandoned AU3862797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT1997/000181 WO1999004936A1 (en) 1997-07-23 1997-07-23 Hydraulic percussion device

Publications (1)

Publication Number Publication Date
AU3862797A true AU3862797A (en) 1999-02-16

Family

ID=11332725

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38627/97A Abandoned AU3862797A (en) 1997-07-23 1997-07-23 Hydraulic percussion device

Country Status (2)

Country Link
AU (1) AU3862797A (en)
WO (1) WO1999004936A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE542526C2 (en) 2015-10-19 2020-06-02 Husqvarna Ab Energy buffer arrangement and method for remote controlled demolition robot
SE539241C2 (en) 2015-10-19 2017-05-23 Husqvarna Ab Adaptive control of hydraulic tool on remote demolition robot
SE542525C2 (en) 2015-10-19 2020-06-02 Husqvarna Ab Automatic tuning of valve for remote controlled demolition robot
CN109281604B (en) * 2018-11-16 2024-05-24 启东环宇智能设备制造有限公司 Striking machine core for hydraulic crushing and hydraulic crushing hammer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1431835A (en) * 1965-01-28 1966-03-18 Montabert Ets Percussion device
FR2676953B1 (en) * 1991-05-30 1993-08-20 Montabert Ets HYDRAULIC PERCUSSION APPARATUS.

Also Published As

Publication number Publication date
WO1999004936A1 (en) 1999-02-04

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