NO129415B - - Google Patents

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Info

Publication number
NO129415B
NO129415B NO02102/71*[A NO210271A NO129415B NO 129415 B NO129415 B NO 129415B NO 210271 A NO210271 A NO 210271A NO 129415 B NO129415 B NO 129415B
Authority
NO
Norway
Prior art keywords
piston
pressure
impact
accumulator
pressure chamber
Prior art date
Application number
NO02102/71*[A
Other languages
English (en)
Norwegian (no)
Inventor
G Romell
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of NO129415B publication Critical patent/NO129415B/no

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
    • B25D9/04—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Percussive Tools And Related Accessories (AREA)
NO02102/71*[A 1970-06-16 1971-06-04 NO129415B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE08332/70A SE339817B (xx) 1970-06-16 1970-06-16

Publications (1)

Publication Number Publication Date
NO129415B true NO129415B (xx) 1974-04-08

Family

ID=20273773

Family Applications (1)

Application Number Title Priority Date Filing Date
NO02102/71*[A NO129415B (xx) 1970-06-16 1971-06-04

Country Status (10)

Country Link
AT (1) AT310696B (xx)
CA (1) CA937844A (xx)
CH (1) CH534567A (xx)
DE (1) DE2128363A1 (xx)
ES (1) ES391969A1 (xx)
FR (1) FR2096294A5 (xx)
GB (1) GB1310194A (xx)
NO (1) NO129415B (xx)
SE (1) SE339817B (xx)
ZA (1) ZA713576B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461633C2 (de) * 1974-12-27 1982-05-06 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Hydraulische Schlagvorrichtung
GB1480753A (en) * 1974-11-14 1977-07-27 Hydraulics Ltd A Hydraulically-operated devices
DE2512731A1 (de) * 1975-03-22 1976-10-07 Klemm Bohrtech Hydraulisches schlaggeraet
US3995700A (en) * 1975-10-14 1976-12-07 Gardner-Denver Company Hydraulic rock drill system
DE2658455C3 (de) * 1976-12-23 1981-01-22 Fried. Krupp Gmbh, 4300 Essen Druckmittelbetriebenes Schlagwerk
SE405455B (sv) * 1978-01-19 1978-12-11 Billing Lars Hydraulisk spikpistol
FI56053C (fi) * 1978-08-08 1979-11-12 Tampella Oy Ab Borrmaskin speciellt bergborrmaskin
CN112727818B (zh) * 2020-12-25 2023-03-21 中铁工程装备集团隧道设备制造有限公司 凿岩机的液压控制系统

Also Published As

Publication number Publication date
DE2128363A1 (xx) 1972-03-23
CA937844A (en) 1973-12-04
ZA713576B (en) 1972-01-26
GB1310194A (en) 1973-03-14
SE339817B (xx) 1971-10-18
FR2096294A5 (xx) 1972-02-11
AT310696B (de) 1973-09-15
ES391969A1 (es) 1973-06-16
CH534567A (de) 1973-03-15

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