FI85665B - Hydraulisk ackumulator vid ett hydrauliskt slagverktyg. - Google Patents

Hydraulisk ackumulator vid ett hydrauliskt slagverktyg. Download PDF

Info

Publication number
FI85665B
FI85665B FI852071A FI852071A FI85665B FI 85665 B FI85665 B FI 85665B FI 852071 A FI852071 A FI 852071A FI 852071 A FI852071 A FI 852071A FI 85665 B FI85665 B FI 85665B
Authority
FI
Finland
Prior art keywords
valve
pressure vessel
chamber
hydraulic
pressure
Prior art date
Application number
FI852071A
Other languages
English (en)
Finnish (fi)
Other versions
FI852071L (fi
FI852071A0 (fi
FI85665C (sv
Inventor
Stig Roland Henriksson
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 FI852071A0 publication Critical patent/FI852071A0/fi
Publication of FI852071L publication Critical patent/FI852071L/fi
Publication of FI85665B publication Critical patent/FI85665B/fi
Application granted granted Critical
Publication of FI85665C publication Critical patent/FI85665C/sv

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
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
    • F15B1/18—Anti-extrusion means
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F15B2201/205—Accumulator cushioning means using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3151—Accumulator separating means having flexible separating means the flexible separating means being diaphragms or membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/41—Liquid ports
    • F15B2201/411—Liquid ports having valve means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/415—Gas ports
    • F15B2201/4155—Gas ports having valve means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Earth Drilling (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Soil Working Implements (AREA)

Claims (5)

1. Hydraulisk ackumulator vid ett hydrauliskt slagverk innefattande ett membran (35) som avdelar en gastryckskamma-re (37) frän en ackumulatorkammare (36) och en mot öppet läge belastad ventil (40, 41) som är anordnad i det gemen-samma inloppet till och utloppet ur (48) ackumulatorkammaren (36), kännetecknad av att ventilen (40, 41) är belastad mot sitt öppna läge enbart av hydraultrycken som verkar pä den, sä att ventilen hälles öppen när hydraulvätskan är trycksatt men snabbt stänger pä grund av uppträdande dynamiska krafter när utflödet ur ackumulatorkammaren överstiger ett gränsvär-de.
2- Hydraulisk ackumulator enligt patentkravet 1, kännetecknad av att ventilen (40, 41) har en kolvyta (45) i en kammare (46) som är väsentligen trycklös eller har ätminsto-ne väsentligt reducerat tryck jämfört med trycket i ackumu-latorvätskan, varvid kolvytan (45) är riktad mot stängnings-läge sä att ventilen därigenom förbelastas mot sitt öppna läge.
3. Hydraulisk ackumulator enligt patentkravet 1 eller 2, kännetecknad av att ventilen är en tallriksventil (40, 41).
4. Hydraulisk ackumulator enligt patentkravet 3, kännetecknad av att tallriksventilen har ett skaft (41, 42) vars ändyta är utsatt för tryckvätskan och sagda kolvyta i sagda trycklösa kammare utgöres av en ringyta (45) pä skaftet.
5. Hydraulisk ackumulator enligt patentkravet 4, kännetecknad av att skaftet är delat i en inre smalare del (41) och en grövre yttre del (42) som anligger mot varandra sä att sagda ringyta (45) bildas mellan skaftets bäda delar.
FI852071A 1984-05-24 1985-05-23 Hydraulisk ackumulator vid ett hydrauliskt slagverktyg FI85665C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8402802A SE462117B (sv) 1984-05-24 1984-05-24 Hydraulisk ackumulator vid ett hydrauliskt slagverk
SE8402802 1984-05-24

Publications (4)

Publication Number Publication Date
FI852071A0 FI852071A0 (fi) 1985-05-23
FI852071L FI852071L (fi) 1985-11-25
FI85665B true FI85665B (fi) 1992-02-14
FI85665C FI85665C (sv) 1992-05-25

Family

ID=20356015

Family Applications (1)

Application Number Title Priority Date Filing Date
FI852071A FI85665C (sv) 1984-05-24 1985-05-23 Hydraulisk ackumulator vid ett hydrauliskt slagverktyg

Country Status (12)

Country Link
US (1) US4676323A (sv)
EP (1) EP0168364B1 (sv)
JP (1) JPH0723722B2 (sv)
AT (1) ATE60269T1 (sv)
AU (1) AU573496B2 (sv)
CA (1) CA1238837A (sv)
DE (1) DE3581446D1 (sv)
ES (1) ES8608636A1 (sv)
FI (1) FI85665C (sv)
NO (1) NO161044C (sv)
SE (1) SE462117B (sv)
ZA (1) ZA853820B (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060734A (en) * 1989-09-11 1991-10-29 United States Of America Seawater hydraulic rock drill
US5064005A (en) * 1990-04-30 1991-11-12 Caterpillar Inc. Impact hammer and control arrangement therefor
US5337791A (en) * 1992-10-23 1994-08-16 Graco Inc. Dynamic surge suppressor for fluid flow lines
CA2178331A1 (en) * 1993-12-17 1995-06-22 Jarmo Uolevi Leppanen Accumulator charging system
ATE202963T1 (de) * 1994-02-19 2001-07-15 Klemm Guenter Hydraulischer schlaghammer
US5549252A (en) * 1994-07-18 1996-08-27 Industrial Sound Technologies, Inc. Water-hammer actuated crusher
DE19636659C2 (de) * 1996-09-10 2000-11-23 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk mit automatischer Hubumschaltung
US5893419A (en) * 1997-01-08 1999-04-13 Fm Industries, Inc. Hydraulic impact tool
FI115451B (sv) * 2003-07-07 2005-05-13 Sandvik Tamrock Oy Slaganordning samt förfarande för att bilda en spänningspuls i en slaganordning
WO2005065891A1 (en) * 2003-12-19 2005-07-21 Clark Equipment Company Impact tool
JP4200918B2 (ja) * 2004-02-09 2008-12-24 日立工機株式会社 穿孔機
FI116124B (sv) * 2004-02-23 2005-09-30 Sandvik Tamrock Oy Tryckmediumdriven slagmaskin
SE528033C2 (sv) * 2004-03-12 2006-08-15 Atlas Copco Constr Tools Ab Hydraulslagverk
SE526992C2 (sv) * 2004-03-12 2005-12-06 Atlas Copco Constr Tools Ab Hydraulisk tryckackumulator
SE528081C2 (sv) * 2004-08-25 2006-08-29 Atlas Copco Constr Tools Ab Hydraulisk slagmekanism
SE530391C2 (sv) * 2006-09-19 2008-05-20 Atlas Copco Constr Tools Ab Hydrauliskt slagverk med tryckackumulator
US9308635B2 (en) * 2013-01-28 2016-04-12 Caterpillar Inc. Variable volume accumulator
US9527198B2 (en) * 2013-06-27 2016-12-27 Caterpillar Inc. Surge accumulator for hydraulic hammer
SE537608C2 (sv) * 2013-11-01 2015-07-28 Tools Pc Ab Const Pneumatisk slaganordning och förfarande vid pneumatisk slaganordning
NO20150341A1 (en) * 2015-03-18 2016-06-20 Resonator As Percussive hammering assembly
FR3037345B1 (fr) * 2015-06-11 2017-06-23 Montabert Roger Appareil hydraulique a percussions
US10363651B2 (en) * 2015-09-28 2019-07-30 Caterpillar Inc. Hammer assembly
US10562165B2 (en) * 2016-04-10 2020-02-18 Caterpillar Inc. Hydraulic hammer
US20180133882A1 (en) * 2016-11-16 2018-05-17 Caterpillar Inc. Hydraulic hammer and sleeve therefor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142473A (en) * 1959-02-05 1964-07-28 Mercier Jean Balanced valve assembly for the oil port of a pressure vessel
US3251380A (en) * 1963-04-12 1966-05-17 Mercier Jean Pressure vessels
JPS495847B1 (sv) * 1968-06-01 1974-02-09
DE2405105C3 (de) * 1974-02-02 1982-01-21 Carl Schenck Ag, 6100 Darmstadt Verfahren und Vorrichtung zum Absperren von Druckspeichern
US3948288A (en) 1974-12-13 1976-04-06 Gardner-Denver Company Hydraulic accumulator
US4333492A (en) * 1976-08-16 1982-06-08 West Joe E Liquid inertia tool
FR2369908A1 (fr) * 1976-11-08 1978-06-02 Montabert Roger Appareil a percussions hydraulique
JPS5926801B2 (ja) * 1977-12-19 1984-06-30 一夫 杉村 高圧液体用緩衝装置
DE2950573A1 (de) * 1979-12-15 1981-07-02 Carl Schenck Ag, 6100 Darmstadt Hydraulischer druckspeicher
US4444274A (en) * 1980-08-29 1984-04-24 Maruzen Kogyo Company Limited Liquid pressure striking device
US4338968A (en) * 1980-09-19 1982-07-13 Normand Trust High flow accumulator device having poppet valve control means
FR2504234B1 (fr) * 1981-04-21 1985-07-12 Olaer Ind Sa Clapet pour reservoir de pression
JPS5837112A (ja) * 1981-08-29 1983-03-04 Kawasaki Steel Corp 溶鋼の真空精練法
GB2106182B (en) * 1981-09-18 1985-09-18 Fawcett Eng Ltd Pressure accumulators
FI66460C (fi) * 1982-10-08 1984-10-10 Tampella Oy Ab Tryckmediedriven slagapparat
SE445434B (sv) * 1983-08-01 1986-06-23 Atlas Copco Ab Vibrationsdempat tryckfluiddrivet slagverk

Also Published As

Publication number Publication date
NO852038L (no) 1985-11-25
FI852071L (fi) 1985-11-25
ATE60269T1 (de) 1991-02-15
AU4281285A (en) 1985-11-28
SE8402802D0 (sv) 1984-05-24
FI852071A0 (fi) 1985-05-23
AU573496B2 (en) 1988-06-09
NO161044B (no) 1989-03-20
ES8608636A1 (es) 1986-06-16
DE3581446D1 (de) 1991-02-28
JPS616406A (ja) 1986-01-13
SE8402802L (sv) 1985-11-25
EP0168364A1 (en) 1986-01-15
CA1238837A (en) 1988-07-05
ES543485A0 (es) 1986-06-16
EP0168364B1 (en) 1991-01-23
FI85665C (sv) 1992-05-25
SE462117B (sv) 1990-05-07
ZA853820B (en) 1986-04-30
JPH0723722B2 (ja) 1995-03-15
NO161044C (no) 1989-06-28
US4676323A (en) 1987-06-30

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MM Patent lapsed

Owner name: ATLAS COPCO AKTIEBOLAG