ZA846016B - Hydraulic pulse means and method - Google Patents

Hydraulic pulse means and method

Info

Publication number
ZA846016B
ZA846016B ZA846016A ZA846016A ZA846016B ZA 846016 B ZA846016 B ZA 846016B ZA 846016 A ZA846016 A ZA 846016A ZA 846016 A ZA846016 A ZA 846016A ZA 846016 B ZA846016 B ZA 846016B
Authority
ZA
South Africa
Prior art keywords
pulse means
hydraulic pulse
hydraulic
pulse
Prior art date
Application number
ZA846016A
Other languages
English (en)
Inventor
Achim Graul
Original Assignee
Achim Graul
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 Achim Graul filed Critical Achim Graul
Publication of ZA846016B publication Critical patent/ZA846016B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/221—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for generating actuator vibration
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
    • E02F3/405—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors using vibrating means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/12—Fluid oscillators or pulse generators
    • F15B21/125—Fluid oscillators or pulse generators by means of a rotating valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Operation Control Of Excavators (AREA)
ZA846016A 1983-08-06 1984-08-03 Hydraulic pulse means and method ZA846016B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3328426A DE3328426A1 (de) 1983-08-06 1983-08-06 Arbeitswerkzeug fuer erdbwegungsgeraete

Publications (1)

Publication Number Publication Date
ZA846016B true ZA846016B (en) 1985-04-24

Family

ID=6205945

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA846016A ZA846016B (en) 1983-08-06 1984-08-03 Hydraulic pulse means and method

Country Status (10)

Country Link
US (1) US4715265A (fi)
EP (1) EP0153332B1 (fi)
JP (1) JPH0630845B2 (fi)
AU (1) AU565964B2 (fi)
CA (1) CA1237635A (fi)
DE (2) DE3328426A1 (fi)
FI (1) FI87150C (fi)
IT (1) IT1177930B (fi)
WO (1) WO1985000762A1 (fi)
ZA (1) ZA846016B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825960A (en) * 1988-06-30 1989-05-02 Molex Incorporated Synchronized hydraulic hammer arrangement
US4959915A (en) * 1989-03-06 1990-10-02 Caterpillar Inc. Impact bucket apparatus
US5064005A (en) * 1990-04-30 1991-11-12 Caterpillar Inc. Impact hammer and control arrangement therefor
EP0927285B1 (en) * 1996-09-18 2001-03-14 Odin Ireland Excavation bucket incorporating an impact actuator assembly
JP3724758B2 (ja) * 1996-12-05 2005-12-07 株式会社小松製作所 切換バルブ装置
US6763661B2 (en) * 2002-05-07 2004-07-20 Husco International, Inc. Apparatus and method for providing vibration to an appendage of a work vehicle

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426409A (en) * 1944-03-31 1947-08-26 Chicago Pneumatic Tool Co Distributing valve for percussive tools
US2699756A (en) * 1950-09-15 1955-01-18 Leonidas C Miller Reciprocating pneumatic actuator for tools
US3145488A (en) * 1962-12-26 1964-08-25 Deere & Co Vibrating bucket
DE1634824A1 (de) * 1967-03-11 1971-02-25 Haynes Louis Eduard Vorrichtung zum Ausheben eines Strassenkoffers bzw.zum Ausstechen einer Unterbausohle,eines Planums od.dgl.und zum Graben in der Erde
SE322469B (fi) * 1968-06-06 1970-04-06 Ilsbo Ind Ab
DE2008059A1 (de) * 1969-09-04 1971-09-09 Gunther Neumann Hydraulischer pneumatischer und mechaniser Antrieb für oszillierende Bewegungen
SE425468B (sv) * 1974-11-22 1982-10-04 Ts Osrodek P K Maszyn Gorniczy Hydraulisk slagmaskin
DE2607190C3 (de) * 1976-02-23 1981-07-16 Koehring Gmbh - Bomag Division, 5407 Boppard Hydraulischer Schwingungserreger für Vibrationsverdichter
DE2623639A1 (de) * 1976-05-26 1977-12-08 Kloeckner Humboldt Deutz Ag Hydraulischer schwingungserreger
DE2821339C3 (de) * 1977-05-18 1982-03-04 Kabushiki Kaisha Takahashi Engineering, Tokyo Hydraulische Kolbenzylindervorrichtung zum Erzeugen einer axialen Kolbenschwingung
FR2554179B1 (fr) * 1983-11-02 1986-01-03 Gtm Ets Sa Procede pour alimenter en fluide hydraulique, en continu et par impulsion controlee, un verin hydraulique travaillant normalement en continu, et dispositif pour la mise en oeuvre du procede

Also Published As

Publication number Publication date
DE3468339D1 (en) 1988-02-11
IT8448624A0 (it) 1984-07-24
FI87150B (fi) 1992-08-31
JPH0630845B2 (ja) 1994-04-27
US4715265A (en) 1987-12-29
IT1177930B (it) 1987-08-26
FI851392L (fi) 1985-04-04
CA1237635A (en) 1988-06-07
FI87150C (fi) 1992-12-10
EP0153332A1 (de) 1985-09-04
AU3157884A (en) 1985-03-12
DE3328426A1 (de) 1985-02-21
JPS60501959A (ja) 1985-11-14
FI851392A0 (fi) 1985-04-04
WO1985000762A1 (en) 1985-02-28
EP0153332B1 (de) 1988-01-07
AU565964B2 (en) 1987-10-01

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