DE2052303A1 - Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl - Google Patents

Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl

Info

Publication number
DE2052303A1
DE2052303A1 DE19702052303 DE2052303A DE2052303A1 DE 2052303 A1 DE2052303 A1 DE 2052303A1 DE 19702052303 DE19702052303 DE 19702052303 DE 2052303 A DE2052303 A DE 2052303A DE 2052303 A1 DE2052303 A1 DE 2052303A1
Authority
DE
Germany
Prior art keywords
control
pressure
hydraulic system
consumers
consumer
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
DE19702052303
Other languages
German (de)
English (en)
Inventor
Adolf 7251 Hemmingen-Westerfeld. MP Born
Original Assignee
Rheinstahl Aktiengesellschaft Hanomag Baumaschinen, 3000 Hannover-Linden
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 Rheinstahl Aktiengesellschaft Hanomag Baumaschinen, 3000 Hannover-Linden filed Critical Rheinstahl Aktiengesellschaft Hanomag Baumaschinen, 3000 Hannover-Linden
Priority to DE19702052303 priority Critical patent/DE2052303A1/de
Priority to FR7137051A priority patent/FR2111406A5/fr
Publication of DE2052303A1 publication Critical patent/DE2052303A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor
    • 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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • E02F9/2292—Systems with two or more 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
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/25—Pressure control functions
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6057—Load sensing circuits having valve means between output member and the load sensing circuit using directional control 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/65—Methods of control of the load sensing 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
    • 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)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE19702052303 1970-10-24 1970-10-24 Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl Pending DE2052303A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19702052303 DE2052303A1 (de) 1970-10-24 1970-10-24 Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl
FR7137051A FR2111406A5 (cg-RX-API-DMAC10.html) 1970-10-24 1971-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702052303 DE2052303A1 (de) 1970-10-24 1970-10-24 Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl

Publications (1)

Publication Number Publication Date
DE2052303A1 true DE2052303A1 (de) 1972-04-27

Family

ID=5786059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702052303 Pending DE2052303A1 (de) 1970-10-24 1970-10-24 Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl

Country Status (2)

Country Link
DE (1) DE2052303A1 (cg-RX-API-DMAC10.html)
FR (1) FR2111406A5 (cg-RX-API-DMAC10.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56501459A (cg-RX-API-DMAC10.html) * 1979-11-01 1981-10-08
GB2081394B (en) * 1980-05-30 1983-12-07 Komatsu Mfg Co Ltd Hydraulic systems
CA1278978C (en) * 1987-02-19 1991-01-15 Lary Lynn Williams Hydraulic system for an industrial machine
JP2582266B2 (ja) * 1987-09-29 1997-02-19 新キヤタピラー三菱株式会社 流体圧制御システム

Also Published As

Publication number Publication date
FR2111406A5 (cg-RX-API-DMAC10.html) 1972-06-02

Similar Documents

Publication Publication Date Title
DE2651325C2 (cg-RX-API-DMAC10.html)
DE4133892C1 (cg-RX-API-DMAC10.html)
EP2855945B2 (de) Verfahren zum betrieb eines hydrauliksystems
DE69004961T3 (de) Belademaschine mit einer ersten und einer zweiten pumpe, um drucköl zu fördern nach mindestens einer durch flüssigkeit angetriebenen komponente, wie eine hydraulische kolbenzylindereinrichtung oder hydraulischer motor.
DE3149473A1 (de) Steuersystem fuer ein hydraulisch angetriebenes fahrzeug
DE3340332C2 (de) Leistungs-Regelvorrichtung für einen hydrostatischen Antrieb mit Fördermengeneinstellung
DE2454661A1 (de) Steuerschieberanordnung fuer eine mehrzahl von hydraulischen motoren
DE2148502A1 (de) Hydraulikanlage mit hydraulischer betaetigung der steuergeraete
DE3120937A1 (de) Hydraulische logikschaltung fuer eine pumpe mit einstellbarer foerdermenge
EP0305761A2 (de) Sekundärgeregeltes hydrostatisches Getriebe mit offenem Kreislauf
DE2440099A1 (de) Ausgeglichenes hydrauliksystem zur ausfuehrung mehrerer funktionen
DE3539220A1 (de) Steuereinrichtung fuer ein hydrostatisches getriebe
DE3247289A1 (de) Einrichtung zum speichern hydraulischer energie
DE3120934A1 (de) Hydraulislches antriebssystem fuer arbeitsfunktionen eines arbeitsfahrzeugs
DE1252393B (cg-RX-API-DMAC10.html)
DE10319075B4 (de) Bremsvorrichtung vom Hydrauliktyp
DE3919640C2 (de) Steuerventileinrichtung mit zwei Steuerblöcken und Pumpensteuerung für mehrere hydraulische Antriebe
DE2510667A1 (de) Hydraulisches steuer- und regelgeraet, insbesondere fuer spritzgiessmaschinen
DE3901349C2 (cg-RX-API-DMAC10.html)
DE4140860C2 (de) Steuereinrichtung für ein hydrostatisches Getriebe
DE2261628A1 (de) Steuerung fuer einen druckfluessigkeitsmotor mit sicherung gegen uebergeschwindigkeit
DE102014219734A1 (de) Hydraulische Schaltung zur Druckmittelversorgung eines Differentialzylinders
DE2360530A1 (de) Hydraulikanlage
DE2046793A1 (de) Schaltung fur durch Wegeventile ge steuerte hydraulische Antriebe mit einer hydraulisch gesteuerten Regelpumpe
DE1775583C (de) Hydraulisches Servostellgerat fur ein hydrostatisches Getriebe