DE2203713A1 - Schaltung fuer hydrostatisch betriebene arbeitsvorrichtungen - Google Patents

Schaltung fuer hydrostatisch betriebene arbeitsvorrichtungen

Info

Publication number
DE2203713A1
DE2203713A1 DE19722203713 DE2203713A DE2203713A1 DE 2203713 A1 DE2203713 A1 DE 2203713A1 DE 19722203713 DE19722203713 DE 19722203713 DE 2203713 A DE2203713 A DE 2203713A DE 2203713 A1 DE2203713 A1 DE 2203713A1
Authority
DE
Germany
Prior art keywords
valve block
consumers
control unit
circuit
hydraulic pump
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.)
Pending
Application number
DE19722203713
Other languages
German (de)
English (en)
Inventor
Felix Dipl Ing Gerling
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.)
Atlas Terex GmbH
Original Assignee
Hinrich Weyhausen KG Maschinenfabrik
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 Hinrich Weyhausen KG Maschinenfabrik filed Critical Hinrich Weyhausen KG Maschinenfabrik
Priority to DE19722203713 priority Critical patent/DE2203713A1/de
Priority to SE7301053A priority patent/SE402609B/xx
Priority to IT6713273A priority patent/IT977669B/it
Priority to GB441673A priority patent/GB1405724A/en
Priority to FR7303047A priority patent/FR2169397B1/fr
Publication of DE2203713A1 publication Critical patent/DE2203713A1/de
Pending legal-status Critical Current

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
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19722203713 1972-01-27 1972-01-27 Schaltung fuer hydrostatisch betriebene arbeitsvorrichtungen Pending DE2203713A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19722203713 DE2203713A1 (de) 1972-01-27 1972-01-27 Schaltung fuer hydrostatisch betriebene arbeitsvorrichtungen
SE7301053A SE402609B (sv) 1972-01-27 1973-01-25 Hydraulsystem for mobila arbetsmaskiner
IT6713273A IT977669B (it) 1972-01-27 1973-01-25 Circuito di comando per macchine di lavoro ad azionamento idrostatico
GB441673A GB1405724A (en) 1972-01-27 1973-01-29 Hydraulic control for hydraulically operated working devices
FR7303047A FR2169397B1 (it) 1972-01-27 1973-01-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722203713 DE2203713A1 (de) 1972-01-27 1972-01-27 Schaltung fuer hydrostatisch betriebene arbeitsvorrichtungen

Publications (1)

Publication Number Publication Date
DE2203713A1 true DE2203713A1 (de) 1973-08-09

Family

ID=5834138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722203713 Pending DE2203713A1 (de) 1972-01-27 1972-01-27 Schaltung fuer hydrostatisch betriebene arbeitsvorrichtungen

Country Status (5)

Country Link
DE (1) DE2203713A1 (it)
FR (1) FR2169397B1 (it)
GB (1) GB1405724A (it)
IT (1) IT977669B (it)
SE (1) SE402609B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614475A (en) * 1981-05-02 1986-09-30 Hitachi Construction Machinery Company, Inc. Hydraulic circuit system for civil engineering and architectural machinery

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847109Y2 (ja) * 1977-10-31 1983-10-27 株式会社クボタ バックホウ兼ド−ザ作業車の回路構造
JPS6129813Y2 (it) * 1980-07-07 1986-09-02
JPS5810960U (ja) * 1981-07-10 1983-01-24 日立建機株式会社 油圧ショベルの油圧回路
IT1187892B (it) * 1986-02-04 1987-12-23 Chs Vickers Spa Circuito idraulico di comando per organi di lavoro di macchine movimento terra con frenatura centralizzata degli attuatori
SE0302743L (sv) * 2003-10-17 2004-10-19 Bengt Olsson Väljar- och riktningsanordning

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768499A (en) * 1953-04-20 1956-10-30 John S Pilch Hydraulic system comprising multiple pump and ram units
DE1426555A1 (de) * 1964-07-27 1968-11-21 Prerovske Strojirny Np Vorrichtung fuer die Steuerung der hydraulischen Antriebsaggregate einer Erdbewegungsmaschine,insbesondere eines Baggers
GB1145531A (en) * 1966-03-14 1969-03-19 Hydraulic Drilling Equipment L Hydraulic system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614475A (en) * 1981-05-02 1986-09-30 Hitachi Construction Machinery Company, Inc. Hydraulic circuit system for civil engineering and architectural machinery

Also Published As

Publication number Publication date
IT977669B (it) 1974-09-20
FR2169397B1 (it) 1978-08-04
GB1405724A (en) 1975-09-10
FR2169397A1 (it) 1973-09-07
SE402609B (sv) 1978-07-10

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