JPH0129937B2 - - Google Patents

Info

Publication number
JPH0129937B2
JPH0129937B2 JP56089666A JP8966681A JPH0129937B2 JP H0129937 B2 JPH0129937 B2 JP H0129937B2 JP 56089666 A JP56089666 A JP 56089666A JP 8966681 A JP8966681 A JP 8966681A JP H0129937 B2 JPH0129937 B2 JP H0129937B2
Authority
JP
Japan
Prior art keywords
valve
pipe line
hydraulic pump
pilot
pipe
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
JP56089666A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57205639A (en
Inventor
Hideaki Tanaka
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP56089666A priority Critical patent/JPS57205639A/ja
Priority to DE8282105023T priority patent/DE3270227D1/de
Priority to EP82105023A priority patent/EP0068197B1/en
Publication of JPS57205639A publication Critical patent/JPS57205639A/ja
Priority to US06/738,513 priority patent/US4644849A/en
Publication of JPH0129937B2 publication Critical patent/JPH0129937B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP56089666A 1981-06-12 1981-06-12 Closing device for oil-pressure circuit for inertia-mass driving Granted JPS57205639A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56089666A JPS57205639A (en) 1981-06-12 1981-06-12 Closing device for oil-pressure circuit for inertia-mass driving
DE8282105023T DE3270227D1 (en) 1981-06-12 1982-06-08 Locking apparatus of inertial mass drive hydraulic circuit system
EP82105023A EP0068197B1 (en) 1981-06-12 1982-06-08 Locking apparatus of inertial mass drive hydraulic circuit system
US06/738,513 US4644849A (en) 1981-06-12 1985-05-28 Locking apparatus of inertial mass drive hydraulic circuit system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56089666A JPS57205639A (en) 1981-06-12 1981-06-12 Closing device for oil-pressure circuit for inertia-mass driving

Publications (2)

Publication Number Publication Date
JPS57205639A JPS57205639A (en) 1982-12-16
JPH0129937B2 true JPH0129937B2 (US07860544-20101228-C00003.png) 1989-06-15

Family

ID=13977062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56089666A Granted JPS57205639A (en) 1981-06-12 1981-06-12 Closing device for oil-pressure circuit for inertia-mass driving

Country Status (4)

Country Link
US (1) US4644849A (US07860544-20101228-C00003.png)
EP (1) EP0068197B1 (US07860544-20101228-C00003.png)
JP (1) JPS57205639A (US07860544-20101228-C00003.png)
DE (1) DE3270227D1 (US07860544-20101228-C00003.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610193A (en) * 1983-10-26 1986-09-09 Deere & Company Load control system
DE3565295D1 (en) * 1984-03-06 1988-11-03 Hikoma Seisakusho Kk Earth-working machine
EP0190703B1 (en) * 1985-02-04 1988-05-25 Hitachi Construction Machinery Co., Ltd. Control system for hydraulic circuit
JPS63185903U (US07860544-20101228-C00003.png) * 1987-05-23 1988-11-29
JPH0187303U (US07860544-20101228-C00003.png) * 1987-12-03 1989-06-09
DE68915644T2 (de) * 1988-02-24 1994-09-22 Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo Ventilanordnung.
US4891942A (en) * 1988-06-27 1990-01-09 Sundstrand Corporation Hydraulically powered actuator for maintaining a member under preload
US5197284A (en) * 1989-07-21 1993-03-30 Cartner Jack O Hydraulic motor deceleration system
JP2600009B2 (ja) * 1990-04-25 1997-04-16 株式会社神戸製鋼所 クレーンの旋回制御装置
GB2267328B (en) * 1992-05-22 1995-06-14 Linde Ag Hydrostatic drive system
JPH07139507A (ja) * 1993-11-15 1995-05-30 Shin Caterpillar Mitsubishi Ltd 建設機械のアクチュエータ制御装置
US5634389A (en) * 1993-11-29 1997-06-03 Northrop Grumman Corporation Actuator stiffness enhancing system
US5551481A (en) * 1994-01-27 1996-09-03 Hr Textron Inc. Method of manufacturing direct drive servovalve and direct drive servovalve resulting therefrom
ITPR20020032A1 (it) * 2002-06-13 2003-12-15 Renzo Bompieri Impianto oleodinamico per ruotare gru di autocarri e/o bracci meccanici di escavatori e relativo procedimento.
JP5872363B2 (ja) * 2012-03-30 2016-03-01 住友建機株式会社 旋回制御装置
DE102013004437A1 (de) * 2013-02-20 2014-08-21 Robert Bosch Gmbh Hydraulisches Sicherheits- und Bewegungsregelsystem
DE102021127442A1 (de) 2021-10-22 2023-04-27 Hamm Ag Bodenbearbeitungsmaschine und Verfahren zum Betreiben einer Bodenbearbeitungsmaschine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633153A (en) * 1951-04-03 1953-03-31 Bendix Aviat Corp Automatic transfer valve for pumps
GB803757A (en) * 1955-05-24 1958-10-29 British Messier Ltd Improvements in or relating to servo-motor systems
DE1161154B (de) * 1960-09-14 1964-01-09 Richier S A Sa Hydrostatisches Getriebe, insbesondere fuer Kraftfahrzeuge
DE1174123B (de) * 1962-02-24 1964-07-16 Continental Elektro Ind Ag Schieberartige Verblockeinrichtung fuer hydraulische Stellmotoren
US3410306A (en) * 1966-10-27 1968-11-12 Gen Signal Corp Control valve with lockout element
US3613508A (en) * 1970-07-27 1971-10-19 Cessna Aircraft Co Hydraulic valve
FR2188770A5 (US07860544-20101228-C00003.png) * 1972-06-13 1974-01-18 Artois Hydraulique
SE393843B (sv) * 1975-10-21 1977-05-23 Monsun Tison Ab Anordning vid en lastmanovrerande medelst en riktningsventil styrd hydraulmotor for forhindrande av okontrollerbar lastrorelse i hendelse av leckage
FR2455231A1 (fr) * 1979-04-27 1980-11-21 Telemecanique Electrique Dispositif de blocage pour verin

Also Published As

Publication number Publication date
EP0068197B1 (en) 1986-04-02
US4644849A (en) 1987-02-24
JPS57205639A (en) 1982-12-16
DE3270227D1 (en) 1986-05-07
EP0068197A1 (en) 1983-01-05

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