DE1634915C3 - Schaltung für Hydraulikbagger - Google Patents

Schaltung für Hydraulikbagger

Info

Publication number
DE1634915C3
DE1634915C3 DE1634915A DEO0012359A DE1634915C3 DE 1634915 C3 DE1634915 C3 DE 1634915C3 DE 1634915 A DE1634915 A DE 1634915A DE O0012359 A DEO0012359 A DE O0012359A DE 1634915 C3 DE1634915 C3 DE 1634915C3
Authority
DE
Germany
Prior art keywords
control
oil
slide
circuit
pumps
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.)
Expired
Application number
DE1634915A
Other languages
German (de)
English (en)
Other versions
DE1634915A1 (de
DE1634915B2 (de
Inventor
Fiedrich Fichtner
Juergen Gerber
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Priority to DE1634915A priority Critical patent/DE1634915C3/de
Priority to AT124368A priority patent/AT284018B/de
Priority to FI680385A priority patent/FI47676C/fi
Priority to BE711290D priority patent/BE711290A/xx
Priority to SE02686/68A priority patent/SE334129B/xx
Priority to NL6802984A priority patent/NL6802984A/xx
Priority to CH323368A priority patent/CH481279A/de
Priority to GB00912/68A priority patent/GB1222104A/en
Priority to FR1555395D priority patent/FR1555395A/fr
Priority to JP6815169A priority patent/JPS5345475B1/ja
Priority to US712189A priority patent/US3478647A/en
Publication of DE1634915A1 publication Critical patent/DE1634915A1/de
Publication of DE1634915B2 publication Critical patent/DE1634915B2/de
Application granted granted Critical
Publication of DE1634915C3 publication Critical patent/DE1634915C3/de
Expired 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
    • 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)
DE1634915A 1967-03-10 1967-03-10 Schaltung für Hydraulikbagger Expired DE1634915C3 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DE1634915A DE1634915C3 (de) 1967-03-10 1967-03-10 Schaltung für Hydraulikbagger
AT124368A AT284018B (de) 1967-03-10 1968-02-09 Schaltung für hydraulisch betriebene Geräte, insbesondere Hydraulikbagger
FI680385A FI47676C (fi) 1967-03-10 1968-02-14 Kytkentä hydraulisesti käytettyjä laitteita, erikoisesti hydraulisia k aivinkoneita varten.
BE711290D BE711290A (US20100012521A1-20100121-C00001.png) 1967-03-10 1968-02-26
NL6802984A NL6802984A (US20100012521A1-20100121-C00001.png) 1967-03-10 1968-03-01
SE02686/68A SE334129B (US20100012521A1-20100121-C00001.png) 1967-03-10 1968-03-01
CH323368A CH481279A (de) 1967-03-10 1968-03-05 Schaltung für einen Hydraulikbagger
GB00912/68A GB1222104A (en) 1967-03-10 1968-03-06 A control system for hydraulic alloy operated appliances
FR1555395D FR1555395A (US20100012521A1-20100121-C00001.png) 1967-03-10 1968-03-08
JP6815169A JPS5345475B1 (US20100012521A1-20100121-C00001.png) 1967-03-10 1968-03-09
US712189A US3478647A (en) 1967-03-10 1968-03-11 Circuit for hydraulically operable devices,especially hydraulic dredges

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE1634915A1 DE1634915A1 (de) 1970-10-29
DE1634915B2 DE1634915B2 (de) 1977-09-08
DE1634915C3 true DE1634915C3 (de) 1981-02-12

Family

ID=7352746

Family Applications (1)

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

Country Status (11)

Country Link
US (1) US3478647A (US20100012521A1-20100121-C00001.png)
JP (1) JPS5345475B1 (US20100012521A1-20100121-C00001.png)
AT (1) AT284018B (US20100012521A1-20100121-C00001.png)
BE (1) BE711290A (US20100012521A1-20100121-C00001.png)
CH (1) CH481279A (US20100012521A1-20100121-C00001.png)
DE (1) DE1634915C3 (US20100012521A1-20100121-C00001.png)
FI (1) FI47676C (US20100012521A1-20100121-C00001.png)
FR (1) FR1555395A (US20100012521A1-20100121-C00001.png)
GB (1) GB1222104A (US20100012521A1-20100121-C00001.png)
NL (1) NL6802984A (US20100012521A1-20100121-C00001.png)
SE (1) SE334129B (US20100012521A1-20100121-C00001.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148231B2 (US20100012521A1-20100121-C00001.png) * 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 (US20100012521A1-20100121-C00001.png) * 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
CN115853753B (zh) * 2022-12-22 2024-06-14 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
SE334129B (US20100012521A1-20100121-C00001.png) 1971-04-05
FI47676B (US20100012521A1-20100121-C00001.png) 1973-10-31
CH481279A (de) 1969-11-15
FR1555395A (US20100012521A1-20100121-C00001.png) 1969-01-24
DE1634915A1 (de) 1970-10-29
BE711290A (US20100012521A1-20100121-C00001.png) 1968-07-01
FI47676C (fi) 1974-02-11
JPS5345475B1 (US20100012521A1-20100121-C00001.png) 1978-12-06
AT284018B (de) 1970-08-25
DE1634915B2 (de) 1977-09-08
GB1222104A (en) 1971-02-10
NL6802984A (US20100012521A1-20100121-C00001.png) 1968-09-11
US3478647A (en) 1969-11-18

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)