DK676387A - Fremgangsmaade ved og indretning til gravemaskine - Google Patents

Fremgangsmaade ved og indretning til gravemaskine

Info

Publication number
DK676387A
DK676387A DK676387A DK676387A DK676387A DK 676387 A DK676387 A DK 676387A DK 676387 A DK676387 A DK 676387A DK 676387 A DK676387 A DK 676387A DK 676387 A DK676387 A DK 676387A
Authority
DK
Denmark
Prior art keywords
excavator
procedures
equipment
Prior art date
Application number
DK676387A
Other languages
English (en)
Other versions
DK676387D0 (da
Inventor
Bertil Olofsson
Original Assignee
Akermans Verkstad 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 Akermans Verkstad Ab filed Critical Akermans Verkstad Ab
Publication of DK676387D0 publication Critical patent/DK676387D0/da
Publication of DK676387A publication Critical patent/DK676387A/da

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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4008—Control of circuit pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Transplanting Machines (AREA)
DK676387A 1986-12-22 1987-12-21 Fremgangsmaade ved og indretning til gravemaskine DK676387A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8605520A SE8605520L (sv) 1986-12-22 1986-12-22 Forfarande och anordning for arbetsmaskin

Publications (2)

Publication Number Publication Date
DK676387D0 DK676387D0 (da) 1987-12-21
DK676387A true DK676387A (da) 1988-06-23

Family

ID=20366725

Family Applications (1)

Application Number Title Priority Date Filing Date
DK676387A DK676387A (da) 1986-12-22 1987-12-21 Fremgangsmaade ved og indretning til gravemaskine

Country Status (5)

Country Link
EP (1) EP0279152A1 (da)
DK (1) DK676387A (da)
FI (1) FI875629A7 (da)
NO (1) NO875349L (da)
SE (1) SE8605520L (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19850162C1 (de) * 1998-10-30 2000-09-07 Brueninghaus Hydromatik Gmbh Hydrostatisches Getriebe
JP6933621B2 (ja) * 2018-09-14 2021-09-08 日立建機株式会社 建設機械
CN118223561B (zh) * 2024-04-22 2025-11-07 三一重机有限公司 挖掘机控制系统、方法及挖掘机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1650771B2 (de) * 1968-03-13 1976-10-28 Linde Ag, 6200 Wiesbaden Antriebsaggregat fuer mindestens zwei verbraucher
US4094144A (en) * 1977-03-16 1978-06-13 Strojarske A Metalurgicke Zavody Hydraulic pressure regulating arrangement
DE3340332C2 (de) * 1983-11-08 1988-11-10 Hydromatik GmbH, 7915 Elchingen Leistungs-Regelvorrichtung für einen hydrostatischen Antrieb mit Fördermengeneinstellung

Also Published As

Publication number Publication date
SE8605520D0 (sv) 1986-12-22
SE8605520L (sv) 1988-06-23
FI875629A0 (fi) 1987-12-21
NO875349D0 (no) 1987-12-21
FI875629A7 (fi) 1988-06-23
DK676387D0 (da) 1987-12-21
EP0279152A1 (en) 1988-08-24
NO875349L (no) 1988-06-23

Similar Documents

Publication Publication Date Title
NO850909L (no) Fremgangsmaate og anordning til bruk ved detonering
NO167604C (no) Fremgangsmaater og anordninger til bruk ved akustisk broennlogging.
DK449785D0 (da) Udstyr til opsamling og fjernelse af gas
DK522487A (da) Imidazopyridinforbindelse og fremgangsmaade til fremstilling deraf
DK38688D0 (da) Fremgangsmaade og anlaeg til opretning af koeretoejer
DK491087A (da) Tumor-egress-faktor (egressin) og fremgangsmaade til fremstilling heraf
DK286187A (da) Pesticide midler og fremgangsmaade til fremstilling deraf
DK315085D0 (da) Isoinsolinyl-alkyl-piperaziner og fremgangsmaade til fremstilling deraf
NO168816C (no) Fremgangsmaate og anordning for aa utfoere minesveiping
NO165421C (no) Fremgangsmaate og anordning for avskinning.
DK404783D0 (da) Octahydrobenz (f) isoquinoliner og fremgangsmade til fremstilling heraf
DK676387D0 (da) Fremgangsmaade ved og indretning til gravemaskine
DK362987D0 (da) Hexahydroarylquinolizin og fremgangsmaade til fremstilling deraf
DK251087A (da) Dopamin-beta-hydrolaseinhibitorer og fremgangsmaade til fremstilling deraf
DK352887D0 (da) Pick-upnaal til stereofoniske og kvadrofoniske grammofonplader
DK54590A (da) Fremgangsmaade til modifikation og reduktion af kulaske
NO160601C (no) Fremgangsmaate og utstyr for aa forme kulepoteter.
DK660387D0 (da) Maleimidgruppeholdige formstofblandinger og fremgangsmaade til fremstilling deraf
DK50686A (da) Difficolforbindelse og fremgangsmaade til fremstilling deraf
DK343984A (da) Fremgangsmaade og udstyr til afvanding
DK115483D0 (da) Fremgangsmade og apparat til jordproevetagning
DK160140C (da) Indretning ved redningsvest
NO863602D0 (no) Betongkonstruksjon og fremgangsmaate ved betongutstoepning.
NO873287L (no) Fremgangsmÿte og utstyr for fastgjÿring.
DK49784D0 (da) Bedoevningsanlaeg til fjerkrae

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment