DE3270227D1 - Locking apparatus of inertial mass drive hydraulic circuit system - Google Patents

Locking apparatus of inertial mass drive hydraulic circuit system

Info

Publication number
DE3270227D1
DE3270227D1 DE8282105023T DE3270227T DE3270227D1 DE 3270227 D1 DE3270227 D1 DE 3270227D1 DE 8282105023 T DE8282105023 T DE 8282105023T DE 3270227 T DE3270227 T DE 3270227T DE 3270227 D1 DE3270227 D1 DE 3270227D1
Authority
DE
Germany
Prior art keywords
hydraulic circuit
circuit system
inertial mass
locking apparatus
drive hydraulic
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
DE8282105023T
Other languages
English (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
Application granted granted Critical
Publication of DE3270227D1 publication Critical patent/DE3270227D1/de
Expired 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)
DE8282105023T 1981-06-12 1982-06-08 Locking apparatus of inertial mass drive hydraulic circuit system Expired DE3270227D1 (en)

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 (1)

Publication Number Publication Date
DE3270227D1 true DE3270227D1 (en) 1986-05-07

Family

ID=13977062

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282105023T Expired DE3270227D1 (en) 1981-06-12 1982-06-08 Locking apparatus of inertial mass drive hydraulic circuit system

Country Status (4)

Country Link
US (1) US4644849A (de)
EP (1) EP0068197B1 (de)
JP (1) JPS57205639A (de)
DE (1) DE3270227D1 (de)

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 (de) * 1985-02-04 1988-05-25 Hitachi Construction Machinery Co., Ltd. Steuersystem für einen hydraulischen Kreislauf
JPS63185903U (de) * 1987-05-23 1988-11-29
JPH0187303U (de) * 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 (de) * 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 (de) 1986-04-02
JPH0129937B2 (de) 1989-06-15
US4644849A (en) 1987-02-24
JPS57205639A (en) 1982-12-16
EP0068197A1 (de) 1983-01-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition