DE69401925D1 - Hammermechanismus für felsbohrer - Google Patents

Hammermechanismus für felsbohrer

Info

Publication number
DE69401925D1
DE69401925D1 DE69401925T DE69401925T DE69401925D1 DE 69401925 D1 DE69401925 D1 DE 69401925D1 DE 69401925 T DE69401925 T DE 69401925T DE 69401925 T DE69401925 T DE 69401925T DE 69401925 D1 DE69401925 D1 DE 69401925D1
Authority
DE
Germany
Prior art keywords
pct
piston
cylinder
hammer mechanism
date oct
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.)
Expired - Fee Related
Application number
DE69401925T
Other languages
English (en)
Other versions
DE69401925T2 (de
Inventor
Roger Robarts Briggs
Jarmo Uolevi Leppanen
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.)
Individual
Original Assignee
Individual
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 ZA932782A external-priority patent/ZA932782B/xx
Priority claimed from ZA932780A external-priority patent/ZA932780B/xx
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE69401925D1 publication Critical patent/DE69401925D1/de
Publication of DE69401925T2 publication Critical patent/DE69401925T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B25D9/16—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
    • B25D2209/005—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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Saccharide Compounds (AREA)
  • Confectionery (AREA)
DE69401925T 1993-04-21 1994-04-20 Hammermechanismus für felsbohrer Expired - Fee Related DE69401925T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA932782A ZA932782B (en) 1993-04-21 1993-04-21 Rock drill percussion mechanism
ZA932780A ZA932780B (en) 1993-04-21 1993-04-21 Percussion drill control mechanism
PCT/GB1994/000837 WO1994023906A1 (en) 1993-04-21 1994-04-20 Rock percussion mechanism

Publications (2)

Publication Number Publication Date
DE69401925D1 true DE69401925D1 (de) 1997-04-10
DE69401925T2 DE69401925T2 (de) 1997-06-12

Family

ID=27142252

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69401925T Expired - Fee Related DE69401925T2 (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
KR102615221B1 (ko) * 2017-07-20 2023-12-15 민콘 인터내셔널 리미티드 유압식 충격 장치를 위한 밸브 조종 장치
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
GB2209299B (en) * 1986-12-15 1990-05-30 Inst Gornogo Dela Sibirskogo O 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
WO1994023906A1 (en) 1994-10-27
DE69401925T2 (de) 1997-06-12
CA2161129C (en) 2000-02-01
JPH08511841A (ja) 1996-12-10
ES2099603T3 (es) 1997-05-16
EP0693987B1 (de) 1997-03-05
ATE149402T1 (de) 1997-03-15
CA2161129A1 (en) 1994-10-27
CN1124473A (zh) 1996-06-12
US5794717A (en) 1998-08-18
AU6511394A (en) 1994-11-08
AU676301B2 (en) 1997-03-06
EP0693987A1 (de) 1996-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee