ATE149402T1 - Hammermechanismus für felsbohrer - Google Patents

Hammermechanismus für felsbohrer

Info

Publication number
ATE149402T1
ATE149402T1 AT94912655T AT94912655T ATE149402T1 AT E149402 T1 ATE149402 T1 AT E149402T1 AT 94912655 T AT94912655 T AT 94912655T AT 94912655 T AT94912655 T AT 94912655T AT E149402 T1 ATE149402 T1 AT E149402T1
Authority
AT
Austria
Prior art keywords
pct
piston
cylinder
hammer mechanism
date oct
Prior art date
Application number
AT94912655T
Other languages
English (en)
Inventor
Roger Robarts Briggs
Jarmo Uolevi Leppanen
Original Assignee
Roger Robarts Briggs
Jarmo Uolevi Leppanen
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
Priority claimed from ZA932780A external-priority patent/ZA932780B/xx
Priority claimed from ZA932782A external-priority patent/ZA932782B/xx
Application filed by Roger Robarts Briggs, Jarmo Uolevi Leppanen filed Critical Roger Robarts Briggs
Application granted granted Critical
Publication of ATE149402T1 publication Critical patent/ATE149402T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/145Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06Means for driving the impulse member
    • B25D9/12Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/16Valve arrangements therefor
    • B25D9/20Valve arrangements therefor involving a tubular-type slide valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D2209/00Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005Details 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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Saccharide Compounds (AREA)
  • Confectionery (AREA)
AT94912655T 1993-04-21 1994-04-20 Hammermechanismus für felsbohrer ATE149402T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA932780A ZA932780B (en) 1993-04-21 1993-04-21 Percussion drill control mechanism
ZA932782A ZA932782B (en) 1993-04-21 1993-04-21 Rock drill percussion mechanism

Publications (1)

Publication Number Publication Date
ATE149402T1 true ATE149402T1 (de) 1997-03-15

Family

ID=27142252

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94912655T ATE149402T1 (de) 1993-04-21 1994-04-20 Hammermechanismus für felsbohrer

Country Status (10)

Country Link
US (1) US5794717A (de)
EP (1) EP0693987B1 (de)
JP (1) JPH08511841A (de)
CN (1) CN1124473A (de)
AT (1) ATE149402T1 (de)
AU (1) AU676301B2 (de)
CA (1) CA2161129C (de)
DE (1) DE69401925T2 (de)
ES (1) ES2099603T3 (de)
WO (1) WO1994023906A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA948118B (en) * 1994-10-17 1996-03-25 Jarmo Uolevi Leppaenen Valve arrangement in a hydraulic percussive rock drill
SE528743C2 (sv) * 2005-06-22 2007-02-06 Atlas Copco Rock Drills Ab Slagverk för bergborrmaskin, förfarande för åstadkommande av en fram- och återgående slagkolvrörelse och bergborrmaskin
CN102493761B (zh) * 2011-11-18 2014-04-23 汤建钢 液压掘岩器
DE102012208986A1 (de) * 2012-05-29 2013-12-05 Hilti Aktiengesellschaft Meißelnde Werkzeugmaschine
CN206200893U (zh) * 2016-10-20 2017-05-31 布兰特·戈登·麦克阿瑟 一种可配合家用电钻使用的电动凿具
EP3655615B1 (de) * 2017-07-20 2022-03-16 Mincon International Limited Ventilsteueranordnungen für hydraulische schlagvorrichtungen
CN110219334B (zh) * 2019-04-02 2024-05-14 台州贝力特机械有限公司 一种液压破碎锤
CN114150998B (zh) * 2021-11-26 2024-06-11 江西沃思德凿岩液压有限公司 防空打活塞与凿岩机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1125755A (en) * 1965-04-23 1968-08-28 Vickers Ltd Improvements in or relating to hydraulically operated tools
CH559088A5 (de) * 1971-12-23 1975-02-28 Sig Schweiz Industrieges
US3955478A (en) * 1973-10-29 1976-05-11 Dresser Industries, Inc. Hydraulically powered percussion drill
FI56430C (fi) * 1975-10-20 1982-08-09 Tampella Oy Ab Slaganordning driven av en tryckvaetska
JPS5819433B2 (ja) * 1977-03-17 1983-04-18 日本ニユ−マチツク工業株式会社 衝撃動工具
GB2074925B (en) * 1979-03-16 1983-03-16 Hydroacoustic Inc Variable frequency hydraulically reciprocated impact tool
US4862972A (en) * 1986-12-15 1989-09-05 Sudinshnikov Vadim B Single-blow pneumatic percussive tool
US4878550A (en) * 1988-07-15 1989-11-07 Sandvik Rock Tools, Inc. Pilot-valve-controlled percussion drilling tool

Also Published As

Publication number Publication date
CN1124473A (zh) 1996-06-12
AU6511394A (en) 1994-11-08
DE69401925T2 (de) 1997-06-12
DE69401925D1 (de) 1997-04-10
CA2161129C (en) 2000-02-01
AU676301B2 (en) 1997-03-06
US5794717A (en) 1998-08-18
CA2161129A1 (en) 1994-10-27
WO1994023906A1 (en) 1994-10-27
EP0693987B1 (de) 1997-03-05
JPH08511841A (ja) 1996-12-10
EP0693987A1 (de) 1996-01-31
ES2099603T3 (es) 1997-05-16

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee