JPS57197334A - Electric oil pressure controller for construction vehicle - Google Patents

Electric oil pressure controller for construction vehicle

Info

Publication number
JPS57197334A
JPS57197334A JP56079799A JP7979981A JPS57197334A JP S57197334 A JPS57197334 A JP S57197334A JP 56079799 A JP56079799 A JP 56079799A JP 7979981 A JP7979981 A JP 7979981A JP S57197334 A JPS57197334 A JP S57197334A
Authority
JP
Japan
Prior art keywords
lever
blade
controller
operating
locked
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
JP56079799A
Other languages
English (en)
Inventor
Yoshito Sato
Norihiro Yato
Hidemi Maeo
Yoshio Tsutsumi
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP56079799A priority Critical patent/JPS57197334A/ja
Priority to GB08214725A priority patent/GB2102592B/en
Priority to DE19823219345 priority patent/DE3219345A1/de
Priority to IT21468/82A priority patent/IT1151234B/it
Priority to US06/381,701 priority patent/US4516469A/en
Publication of JPS57197334A publication Critical patent/JPS57197334A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
    • E02F5/32—Rippers
    • 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
    • E02F9/2004—Control mechanisms, e.g. control levers
    • 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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36429—Power assisted positioning
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41302—On off fluid valve and power cylinder
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41318—Electro hydraulic drive, electric motor drives hydraulic actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2133—Pawls and ratchets
    • Y10T74/2136—Pivoted pawls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2142—Pitmans and connecting rods
    • Y10T74/2144—Yieldable
    • Y10T74/2147—Fluid cushion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP56079799A 1981-05-26 1981-05-26 Electric oil pressure controller for construction vehicle Pending JPS57197334A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP56079799A JPS57197334A (en) 1981-05-26 1981-05-26 Electric oil pressure controller for construction vehicle
GB08214725A GB2102592B (en) 1981-05-26 1982-05-20 Electric hydraulic control device for a construction vehicle
DE19823219345 DE3219345A1 (de) 1981-05-26 1982-05-22 Elektrohydraulische steuereinrichtung fuer ein baufahrzeug
IT21468/82A IT1151234B (it) 1981-05-26 1982-05-25 Dispositivo elettroidraulico di controllo per veicoli adatti per costruzioni
US06/381,701 US4516469A (en) 1981-05-26 1982-05-25 Electric hydraulic controll device for a construction vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56079799A JPS57197334A (en) 1981-05-26 1981-05-26 Electric oil pressure controller for construction vehicle

Publications (1)

Publication Number Publication Date
JPS57197334A true JPS57197334A (en) 1982-12-03

Family

ID=13700260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56079799A Pending JPS57197334A (en) 1981-05-26 1981-05-26 Electric oil pressure controller for construction vehicle

Country Status (5)

Country Link
US (1) US4516469A (ja)
JP (1) JPS57197334A (ja)
DE (1) DE3219345A1 (ja)
GB (1) GB2102592B (ja)
IT (1) IT1151234B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6131532A (ja) * 1984-07-24 1986-02-14 Kubota Ltd シヨベル作業車
JPS6457149U (ja) * 1987-09-30 1989-04-10

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU596283B2 (en) * 1987-03-27 1990-04-26 Hitachi Construction Machinery Co. Ltd. Drive control system for hydraulic machine
JP3106164B2 (ja) * 1988-03-03 2000-11-06 日立建機株式会社 油圧機械の油圧駆動方法及び油圧駆動装置
US5358055A (en) * 1993-01-22 1994-10-25 Deere & Company Partial width seeding attachment
US5383390A (en) * 1993-06-28 1995-01-24 Caterpillar Inc. Multi-variable control of multi-degree of freedom linkages
DE4420166C1 (de) * 1994-06-09 1995-11-30 Rexroth Mannesmann Gmbh Regelungsverfahren und elektrohydraulisches Regelsystem für einen Verbraucher eines Arbeitsgeräts
US5499684A (en) * 1994-08-16 1996-03-19 Caterpillar Inc. Geographic surface altering implement control system
US5551518A (en) * 1994-09-28 1996-09-03 Caterpillar Inc. Tilt rate compensation implement system and method
US5490384A (en) * 1994-12-08 1996-02-13 Caterpillar Inc. Hydraulic flow priority system
JP3207771B2 (ja) * 1996-07-26 2001-09-10 株式会社エフエフシー 油圧作業機
US20070071609A1 (en) * 2005-09-26 2007-03-29 Sturman Industries, Inc. Digital pump with multiple outlets
JP5882066B2 (ja) * 2012-01-19 2016-03-09 日立建機株式会社 作業車両の制御装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297088A (en) * 1976-02-12 1977-08-15 Hitachi Constr Mach Co Ltd Controller
JPS5524531A (en) * 1978-08-08 1980-02-21 Katayama Chem Works Co Ltd Scale preventive treating method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2175799A (en) * 1936-06-03 1939-10-10 Sperry Gyroscope Co Inc Electrohydraulic telemotor
US2643515A (en) * 1950-10-17 1953-06-30 Chester A Harsch Electric control system for expansible motor operated boom
DE1142277B (de) * 1953-12-18 1963-01-10 Siam Elektrohydraulische Steuereinrichtung fuer einen doppeltwirkenden Servomotor
DE1172542B (de) * 1954-12-30 1964-06-18 Gen Electric Steuereinrichtung fuer eine hydraulischen Stellmotor
GB1264121A (ja) * 1968-02-14 1972-02-16
US3768367A (en) * 1969-05-07 1973-10-30 Caterpillar Tractor Co Remote control system for load manipulating vehicles
US3626809A (en) * 1970-09-29 1971-12-14 Gen Electric Bilateral servosystem
US3644816A (en) * 1970-12-21 1972-02-22 Gen Electric Manual and automatic master-slave control system
DE2114639A1 (de) * 1971-03-26 1972-10-05 Bosch Gmbh Robert Elektrohydraulische Steuerungsvorrichtung für einen hydraulischen Verbraucher
US3703931A (en) * 1971-05-17 1972-11-28 Caterpillar Tractor Co Electro-hydraulic touch control system for earthmoving vehicles
US3818926A (en) * 1973-04-11 1974-06-25 D Wohlwend Hydraulic valve and system
DE2443445A1 (de) * 1973-09-12 1975-03-13 Diesel Kiki Co Elektrohydraulische steuereinrichtung
FR2252208B1 (ja) * 1973-11-22 1978-04-14 Ruthner Industrieanlagen Ag
GB1534693A (en) * 1975-06-30 1978-12-06 Komatsu Mfg Co Ltd Controlling apparatus for bulldozer blade
DE2609434C2 (de) * 1976-03-06 1985-03-07 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Steuerung eines hydraulischen Motors
DE2631530A1 (de) * 1976-07-14 1978-01-19 Weserhuette Ag Eisenwerk Steuerung von hydraulisch angetriebenen bagger- und auslegerkranen
FR2427929A1 (fr) * 1978-06-08 1980-01-04 Neiman Sa Perfectionnements aux antivols pour vehicules automobiles
DE2923030A1 (de) * 1979-06-07 1980-12-18 Komatsu Mfg Co Ltd Automatische regeleinrichtung fuer ein erdbewegungsgeraet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297088A (en) * 1976-02-12 1977-08-15 Hitachi Constr Mach Co Ltd Controller
JPS5524531A (en) * 1978-08-08 1980-02-21 Katayama Chem Works Co Ltd Scale preventive treating method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6131532A (ja) * 1984-07-24 1986-02-14 Kubota Ltd シヨベル作業車
JPH0361811B2 (ja) * 1984-07-24 1991-09-24 Kubota Kk
JPS6457149U (ja) * 1987-09-30 1989-04-10

Also Published As

Publication number Publication date
US4516469A (en) 1985-05-14
DE3219345C2 (ja) 1987-03-12
GB2102592B (en) 1985-06-12
DE3219345A1 (de) 1982-12-23
IT8221468A0 (it) 1982-05-25
GB2102592A (en) 1983-02-02
IT1151234B (it) 1986-12-17

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