AT284018B - Schaltung für hydraulisch betriebene Geräte, insbesondere Hydraulikbagger - Google Patents

Schaltung für hydraulisch betriebene Geräte, insbesondere Hydraulikbagger

Info

Publication number
AT284018B
AT284018B AT124368A AT124368A AT284018B AT 284018 B AT284018 B AT 284018B AT 124368 A AT124368 A AT 124368A AT 124368 A AT124368 A AT 124368A AT 284018 B AT284018 B AT 284018B
Authority
AT
Austria
Prior art keywords
circuit
hydraulically operated
operated devices
hydraulic excavators
particular hydraulic
Prior art date
Application number
AT124368A
Other languages
English (en)
Inventor
Juergen Ing Gerber
Friedrich Fichtner
Original Assignee
Orenstein & Koppel Ag
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 Orenstein & Koppel Ag filed Critical Orenstein & Koppel Ag
Application granted granted Critical
Publication of AT284018B publication Critical patent/AT284018B/de

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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • 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
    • F15B2211/2053—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
    • F15B2211/30—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
    • F15B2211/31—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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
AT124368A 1967-03-10 1968-02-09 Schaltung für hydraulisch betriebene Geräte, insbesondere Hydraulikbagger AT284018B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1634915A DE1634915C3 (de) 1967-03-10 1967-03-10 Schaltung für Hydraulikbagger

Publications (1)

Publication Number Publication Date
AT284018B true AT284018B (de) 1970-08-25

Family

ID=7352746

Family Applications (1)

Application Number Title Priority Date Filing Date
AT124368A AT284018B (de) 1967-03-10 1968-02-09 Schaltung für hydraulisch betriebene Geräte, insbesondere Hydraulikbagger

Country Status (11)

Country Link
US (1) US3478647A (de)
JP (1) JPS5345475B1 (de)
AT (1) AT284018B (de)
BE (1) BE711290A (de)
CH (1) CH481279A (de)
DE (1) DE1634915C3 (de)
FI (1) FI47676C (de)
FR (1) FR1555395A (de)
GB (1) GB1222104A (de)
NL (1) NL6802984A (de)
SE (1) SE334129B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148231B2 (de) * 1971-10-20 1976-12-20
BE792617A (fr) * 1971-12-13 1973-06-12 Caterpillar Tractor Co Circuit hydraulique pour un excavateur.
US3792836A (en) * 1972-03-06 1974-02-19 E Bender Simplified well rig
DE2364282C3 (de) * 1973-12-22 1983-01-13 O & K Orenstein & Koppel Ag, 1000 Berlin Schaltungsanordnung für Hydraulikmotoren
CA1278978C (en) * 1987-02-19 1991-01-15 Lary Lynn Williams Hydraulic system for an industrial machine
JPS63308821A (ja) * 1987-06-10 1988-12-16 Matsushita Electric Ind Co Ltd 可動形電子部品
JPH078601Y2 (ja) * 1987-11-10 1995-03-01 株式会社クボタ バックホウの油圧回路
JPH02101440U (de) * 1989-01-27 1990-08-13
AU631727B2 (en) * 1990-03-09 1992-12-03 Kubota Corporation Hydraulic circuit for a working vehicle having a plurality of hydraulic actuators
DE4241846C2 (de) * 1992-12-11 1996-09-26 Danfoss As Hydraulisches System
US5469797A (en) * 1994-02-07 1995-11-28 Hearne, Jr.; David C. Sugar cane planter
DE19744327C1 (de) * 1997-10-08 1998-10-22 Walterscheid Gmbh Gkn Vorrichtung zur Stabilisierung der Unterlenker eines Traktors
DE19911440C2 (de) * 1999-03-04 2002-09-19 Komatsu Mining Germany Gmbh Vorrichtung und Verfahren zur Ansteuerung einer Hydraulikanlage einer Baumaschine, insbesondere eines Hydraulikbaggers
CN109944835B (zh) * 2019-04-02 2024-04-23 重庆平山机电设备有限公司 一种钻机的液压系统及钻机
CN110482084B (zh) * 2019-08-20 2021-11-19 长沙中联重科环境产业有限公司 垃圾压实器
CN115853753A (zh) * 2022-12-22 2023-03-28 中国第一汽车股份有限公司 油泵卸荷系统、方法、存储介质和车辆

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2319551A (en) * 1937-08-09 1943-05-18 Fosdick Machine Tool Co Hydraulic operating and control mechanism for machine tools
US2244213A (en) * 1939-01-12 1941-06-03 Hydraulic Control Engineering Valve structure
US3156098A (en) * 1959-11-20 1964-11-10 Ford Motor Co Hydraulic power system
US3146593A (en) * 1960-04-18 1964-09-01 Parker Hannifin Corp Dual pump system and control valve assembly therefor

Also Published As

Publication number Publication date
GB1222104A (en) 1971-02-10
US3478647A (en) 1969-11-18
CH481279A (de) 1969-11-15
DE1634915C3 (de) 1981-02-12
FI47676B (de) 1973-10-31
SE334129B (de) 1971-04-05
JPS5345475B1 (de) 1978-12-06
FI47676C (fi) 1974-02-11
NL6802984A (de) 1968-09-11
BE711290A (de) 1968-07-01
DE1634915A1 (de) 1970-10-29
DE1634915B2 (de) 1977-09-08
FR1555395A (de) 1969-01-24

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee