DE3277448D1 - Method and control device for a hydraulic hammer - Google Patents

Method and control device for a hydraulic hammer

Info

Publication number
DE3277448D1
DE3277448D1 DE8282901863T DE3277448T DE3277448D1 DE 3277448 D1 DE3277448 D1 DE 3277448D1 DE 8282901863 T DE8282901863 T DE 8282901863T DE 3277448 T DE3277448 T DE 3277448T DE 3277448 D1 DE3277448 D1 DE 3277448D1
Authority
DE
Germany
Prior art keywords
hammer
hydraulic
store
control device
pressure
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
Application number
DE8282901863T
Other languages
English (en)
Inventor
Gavril Axinti
Stefanica Arama
Ionel Draghici
Polidor Bratu
Corneliu Stanciu
Aurelian Ghinea
Florin Badulescu
Christian Diaconu
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.)
UTILAJ GREU PROGRESUL INTREPRI
Original Assignee
UTILAJ GREU PROGRESUL INTREPRI
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 UTILAJ GREU PROGRESUL INTREPRI filed Critical UTILAJ GREU PROGRESUL INTREPRI
Application granted granted Critical
Publication of DE3277448D1 publication Critical patent/DE3277448D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
DE8282901863T 1982-06-08 1982-06-08 Method and control device for a hydraulic hammer Expired DE3277448D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RO1982/000003 WO1983004427A1 (en) 1982-06-08 1982-06-08 Control device and method for hydraulic pulse generators

Publications (1)

Publication Number Publication Date
DE3277448D1 true DE3277448D1 (en) 1987-11-12

Family

ID=20094874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282901863T Expired DE3277448D1 (en) 1982-06-08 1982-06-08 Method and control device for a hydraulic hammer

Country Status (5)

Country Link
US (1) US4688468A (de)
EP (1) EP0110876B1 (de)
DE (1) DE3277448D1 (de)
FI (1) FI77724C (de)
WO (1) WO1983004427A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226468A1 (de) * 1982-07-15 1984-01-19 Horst Ing.(grad.) 4005 Meerbusch Knäbel Vorrichtung zum erzeugen einer arbeitskraft, insbesondere fuer rammen, pressen und dgl.
US4879875A (en) * 1988-03-22 1989-11-14 The Boeing Company Fastener driving tool
US5018431A (en) * 1988-12-09 1991-05-28 Quadrastat Corporation Apparatus for positioning a work implement
US5347448A (en) * 1992-11-25 1994-09-13 Samsung Heavy Industries Co., Ltd. Multiprocessor system for hydraulic excavator
FI116124B (fi) * 2004-02-23 2005-09-30 Sandvik Tamrock Oy Painenestekäyttöinen iskulaite
SE528649C8 (sv) * 2005-05-23 2007-02-27 Atlas Copco Rock Drills Ab Impulsgenerator, hydrauliskt impulsverktyg och förfarande för att alstra impulser

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1143648A (de) *
US1626087A (en) * 1925-04-23 1927-04-26 Charles A Hultquist Fluid-operated percussive tool
US2550723A (en) * 1946-11-29 1951-05-01 Frank A Best Reversing valve mechanism
US2699120A (en) * 1950-05-26 1955-01-11 Stewart Warner Corp Valve mechanism for reciprocating fluid operated motors
US2842938A (en) * 1955-02-10 1958-07-15 Research Corp Air supply control for air hammer
US3035548A (en) * 1959-11-24 1962-05-22 Ingbuero Dipl Ing Friedrich He Hydraulically operated percussion devices
US3298447A (en) * 1964-04-15 1967-01-17 Raymond Int Inc Control of variable-stroke power hammers
GB1178102A (en) * 1966-04-15 1970-01-21 Nat Res Dev Fluid Power Transmission Apparatus
DE1298753B (de) * 1967-01-17 1969-07-03 Koeppern & Co Kg Maschf Hydraulischer Vibrationsantrieb mit einem Schubkolbentrieb
DE1299922B (de) * 1967-01-17 1969-07-24 Koeppern & Co Kg Maschf Hydraulischer Vibrationsantrieb mit einem Schubkolbentrieb
US3608650A (en) * 1968-11-30 1971-09-28 Saburo Matsusaka Impact cylinder apparatus
CA994640A (en) * 1972-08-31 1976-08-10 John V. Bouyoucos Hydroacoustic oscillator
DE2301607A1 (de) * 1973-01-13 1974-07-18 Bosch Gmbh Robert Hydraulische steuereinrichtung
US4002103A (en) * 1974-07-01 1977-01-11 The West Company Reciprocating apparatus with a controllable dwell time at each end of the stroke
US3969987A (en) * 1974-11-11 1976-07-20 Hydroacoustics Inc. Hydroacoustic apparatus and valving mechanisms for use therein
GB1542402A (en) * 1975-07-07 1979-03-21 Smiths Industries Ltd Fluid pressure supply apparatus
FR2330889A1 (fr) * 1975-11-06 1977-06-03 Renault Charge d'un accumulateur par un moteur thermique
JPS5314272A (en) * 1976-07-27 1978-02-08 Nissan Motor Co Ltd Oil pressure generator for vehicles
US4275793A (en) * 1977-02-14 1981-06-30 Ingersoll-Rand Company Automatic control system for rock drills
US4142445A (en) * 1977-03-17 1979-03-06 Caterpillar Tractor Co. Crossover plural circuit fluid system
US4314612A (en) * 1978-07-20 1982-02-09 Battelle Development Corporation Hydraulic linear impact tool
DE2917830A1 (de) * 1979-05-03 1980-11-06 Tuenkers Maschinenbau Gmbh Hydraulischer impulsvibrationsbaer
FI72908C (fi) * 1979-06-29 1987-08-10 Rammer Oy Hydraulisk slagmaskin.
DE3037460A1 (de) * 1980-10-03 1982-05-06 Alfred Teves Gmbh, 6000 Frankfurt Fahrzeugbremsanlage mit hydraulischem bremsverstaerker
US4425835A (en) * 1981-01-26 1984-01-17 Ingersoll-Rand Company Fluid actuator

Also Published As

Publication number Publication date
FI77724C (fi) 1989-04-10
US4688468A (en) 1987-08-25
EP0110876A1 (de) 1984-06-20
EP0110876B1 (de) 1987-10-07
FI840477A0 (fi) 1984-02-06
FI840477A (fi) 1984-02-06
WO1983004427A1 (en) 1983-12-22
FI77724B (fi) 1988-12-30

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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