PL352315A1 - Oil-and-dynamic power hammer - Google Patents

Oil-and-dynamic power hammer

Info

Publication number
PL352315A1
PL352315A1 PL00352315A PL35231500A PL352315A1 PL 352315 A1 PL352315 A1 PL 352315A1 PL 00352315 A PL00352315 A PL 00352315A PL 35231500 A PL35231500 A PL 35231500A PL 352315 A1 PL352315 A1 PL 352315A1
Authority
PL
Poland
Prior art keywords
oil
piston
feeding circuit
dynamic power
power hammer
Prior art date
Application number
PL00352315A
Other languages
English (en)
Inventor
Pasquale Gallo
Original Assignee
Priver Ind 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 Priver Ind Srl filed Critical Priver Ind Srl
Publication of PL352315A1 publication Critical patent/PL352315A1/xx

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
    • B25D9/16—Valve arrangements therefor
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/002—Pressure accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Soil Working Implements (AREA)
  • Lubricants (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
PL00352315A 1999-06-22 2000-06-19 Oil-and-dynamic power hammer PL352315A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1999BA000024A IT1312140B1 (it) 1999-06-22 1999-06-22 Macchina oleodinamica a percussione di concezione innovativafunzionante a pressione idraulica costante.
PCT/IB2000/000812 WO2000078510A2 (en) 1999-06-22 2000-06-19 Innovative oil-dynamic percussion machine working at constant hydraulic pressure

Publications (1)

Publication Number Publication Date
PL352315A1 true PL352315A1 (en) 2003-08-11

Family

ID=11335985

Family Applications (1)

Application Number Title Priority Date Filing Date
PL00352315A PL352315A1 (en) 1999-06-22 2000-06-19 Oil-and-dynamic power hammer

Country Status (11)

Country Link
EP (1) EP1196266B1 (tr)
AT (1) ATE285873T1 (tr)
CZ (1) CZ20014630A3 (tr)
DE (1) DE60017138T2 (tr)
ES (1) ES2234615T3 (tr)
HU (1) HUP0201028A2 (tr)
IT (1) IT1312140B1 (tr)
PL (1) PL352315A1 (tr)
SK (1) SK18442001A3 (tr)
TR (1) TR200103689T2 (tr)
WO (1) WO2000078510A2 (tr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2863671B1 (fr) * 2003-12-11 2006-01-13 Montabert Roger Dispositif de regulation de pression pour appareil hydraulique a percussion
EP1697089B1 (en) * 2003-12-19 2007-11-14 Clark Equipment Company Impact tool
ITBA20050012A1 (it) * 2005-03-16 2006-09-17 Eutecna S R L Soc Macchina oleodinamica a percussione con un cassetto di distribuzione di tipo on-off e pistone pilota
CN100457398C (zh) * 2006-05-25 2009-02-04 马鞍山市惊天液压机械制造有限公司 分体式智能型液压锤
SE542526C2 (en) 2015-10-19 2020-06-02 Husqvarna Ab Energy buffer arrangement and method for remote controlled demolition robot
SE542525C2 (en) 2015-10-19 2020-06-02 Husqvarna Ab Automatic tuning of valve for remote controlled demolition robot
SE539241C2 (en) 2015-10-19 2017-05-23 Husqvarna Ab Adaptive control of hydraulic tool on remote demolition robot
WO2022146353A1 (en) * 2020-12-31 2022-07-07 Inan Makina Sanayi Ve Ticaret Anonim Sirketi Hydraulic rock breaker with anti-blank firing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI72908C (fi) * 1979-06-29 1987-08-10 Rammer Oy Hydraulisk slagmaskin.
FR2509217A1 (fr) * 1981-07-10 1983-01-14 Montabert Ets Appareil a percussions mu par un fluide sous pression
EP0085279B1 (en) * 1982-01-22 1986-07-09 Mauro Vitulano Directional control valve to obtain in a hydraulic appliance the alternative motion of a piston operating to charge and fire a tool, specially suitable for hydraulic hammers
EP0426928B1 (en) * 1989-10-18 1997-06-25 Mauro Vitulano Method to automatically adjust the functional parameters of a percussion apparatus

Also Published As

Publication number Publication date
HUP0201028A2 (en) 2002-08-28
DE60017138D1 (de) 2005-02-03
CZ20014630A3 (cs) 2003-04-16
IT1312140B1 (it) 2002-04-09
EP1196266B1 (en) 2004-12-29
EP1196266A2 (en) 2002-04-17
WO2000078510A2 (en) 2000-12-28
ATE285873T1 (de) 2005-01-15
WO2000078510A3 (en) 2001-07-19
DE60017138T2 (de) 2006-01-12
ES2234615T3 (es) 2005-07-01
ITBA990024A1 (it) 2000-12-22
TR200103689T2 (tr) 2002-05-21
SK18442001A3 (sk) 2002-04-04

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Legal Events

Date Code Title Description
REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)