DE2647372A1 - Einrichtung bei einem lastbewegenden hydraulikmotor zum verhindern einer unkontrollierbaren lastbewegung bei einem leitungsbruch - Google Patents

Einrichtung bei einem lastbewegenden hydraulikmotor zum verhindern einer unkontrollierbaren lastbewegung bei einem leitungsbruch

Info

Publication number
DE2647372A1
DE2647372A1 DE19762647372 DE2647372A DE2647372A1 DE 2647372 A1 DE2647372 A1 DE 2647372A1 DE 19762647372 DE19762647372 DE 19762647372 DE 2647372 A DE2647372 A DE 2647372A DE 2647372 A1 DE2647372 A1 DE 2647372A1
Authority
DE
Germany
Prior art keywords
valve
pressure
slide
load
hydraulic fluid
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.)
Ceased
Application number
DE19762647372
Other languages
German (de)
English (en)
Inventor
Oerjan Wennerbo
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.)
MONSUN TISON AB
Original Assignee
MONSUN TISON AB
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 MONSUN TISON AB filed Critical MONSUN TISON AB
Publication of DE2647372A1 publication Critical patent/DE2647372A1/de
Ceased legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003Systems with load-holding valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30525Directional control valves, e.g. 4/3-directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3116Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/315Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/321Directional control characterised by the type of actuation mechanically
    • F15B2211/324Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/329Directional control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/415Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41554Flow control characterised by the connections of the flow control means in the circuit being connected to a return line and a directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/42Flow control characterised by the type of actuation
    • F15B2211/428Flow control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/47Flow control in one direction only
    • F15B2211/473Flow control in one direction only without restriction in the reverse direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50563Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50581Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/86Control during or prevention of abnormal conditions
    • F15B2211/863Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19762647372 1975-10-21 1976-10-20 Einrichtung bei einem lastbewegenden hydraulikmotor zum verhindern einer unkontrollierbaren lastbewegung bei einem leitungsbruch Ceased DE2647372A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7511805A SE393843B (sv) 1975-10-21 1975-10-21 Anordning vid en lastmanovrerande medelst en riktningsventil styrd hydraulmotor for forhindrande av okontrollerbar lastrorelse i hendelse av leckage

Publications (1)

Publication Number Publication Date
DE2647372A1 true DE2647372A1 (de) 1977-04-28

Family

ID=20325862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762647372 Ceased DE2647372A1 (de) 1975-10-21 1976-10-20 Einrichtung bei einem lastbewegenden hydraulikmotor zum verhindern einer unkontrollierbaren lastbewegung bei einem leitungsbruch

Country Status (3)

Country Link
DE (1) DE2647372A1 (enExample)
FR (1) FR2328868A1 (enExample)
SE (1) SE393843B (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421172A1 (de) * 1984-06-07 1985-12-12 Eisenwerke Kaiserslautern Göppner GmbH, 6750 Kaiserslautern Vorrichtung zum steuern von hydroantrieben
DE3721030A1 (de) * 1986-06-27 1988-01-07 Schwarzmueller Wilhelm Gmbh Sattelzug
DE3834724A1 (de) * 1987-10-16 1989-04-27 Smc Corp Regelventil zum regeln der geschwindigkeit eines betaetigungsorgans
DE4105459A1 (de) * 1991-02-21 1992-08-27 Heilmeier & Weinlein Hydraulische steuervorrichtung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459894A1 (fr) * 1979-06-26 1981-01-16 Poclain Sa Dispositif de commande d'un recepteur a fluide sous pression.
FR2487019A2 (fr) * 1980-03-25 1982-01-22 Richier Nle Indle Dispositif de securite pour des verins hydrauliques, notamment pour des pelles hydrauliques
JPS57205639A (en) * 1981-06-12 1982-12-16 Hitachi Constr Mach Co Ltd Closing device for oil-pressure circuit for inertia-mass driving
ITTO20020186A1 (it) * 2002-03-06 2003-09-08 Fiat Hitachi Excavators S P A Veicolo per movimento terra, e metodo per regolare la discesa di un braccio operativo di tale veicolo.
IT1402421B1 (it) * 2010-09-08 2013-09-04 Nem S P A Sistema di controllo di un attuatore oleoidraulico per la salita e la discesa di un carico

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164171A (en) * 1961-01-30 1965-01-05 Clark Equipment Co Directional control valve
FR1336231A (fr) * 1962-07-16 1963-08-30 Perfectionnements apportés aux installations hydrauliques comprenant une machine réceptrice réversible à clapet anti-retour
US3807175A (en) * 1970-11-23 1974-04-30 P Kubik Fluid system having positive vertical hold means
DE2119391A1 (de) * 1971-04-21 1972-10-26 Fa. Johannes Fuchs, 7525 Bad Mingolsheim Hydraulische Maschine, insbesondere Arbeitsmaschine mit Hebevorrichtung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421172A1 (de) * 1984-06-07 1985-12-12 Eisenwerke Kaiserslautern Göppner GmbH, 6750 Kaiserslautern Vorrichtung zum steuern von hydroantrieben
DE3721030A1 (de) * 1986-06-27 1988-01-07 Schwarzmueller Wilhelm Gmbh Sattelzug
DE3834724A1 (de) * 1987-10-16 1989-04-27 Smc Corp Regelventil zum regeln der geschwindigkeit eines betaetigungsorgans
DE4105459A1 (de) * 1991-02-21 1992-08-27 Heilmeier & Weinlein Hydraulische steuervorrichtung

Also Published As

Publication number Publication date
FR2328868B1 (enExample) 1981-12-04
SE7511805L (sv) 1977-04-22
FR2328868A1 (fr) 1977-05-20
SE393843B (sv) 1977-05-23

Similar Documents

Publication Publication Date Title
DE2352742C2 (de) Hydraulisches Senkbrems-Sperrventil
EP1355065B1 (de) Hydraulische Steuerung
DE2146586C3 (de) Mit einer Konstantzug-Regelung versehener hydrostatischer Antrieb
DE2249181C3 (de) Hydraulische Lenkbegrenzung für Servolenkanlagen, insbesondere für Kraftfahrzeuge
EP0016719B1 (de) Vorrichtung zum Steuern eines Hydromotors
DE1751934B2 (de) Mit einem Stromteiler ausgestattetes Steuerventil für Flüssigkeitsmotoren
DE20208577U1 (de) Elektrohydraulische Hubsteuervorrichtung für Flurförerfahrzeuge
DE2116395A1 (de) Hydraulische Steuereinrichtung
DE3710699C1 (de) Hydraulische Steuervorrichtung fuer eine Verbrauchergruppe
DE2107478A1 (de) Bremsventil für eine hydraulische Bremsanlage
DE3433535C2 (de) Zweistellungs-Schaltventil mit hydraulischer Selbsthaltung
DE2647372A1 (de) Einrichtung bei einem lastbewegenden hydraulikmotor zum verhindern einer unkontrollierbaren lastbewegung bei einem leitungsbruch
CH628117A5 (en) Brake-valve device
DE2601999A1 (de) Anordnung zur beeinflussung der arbeitsmenge eines servomotors
DE2056165B2 (de) Hydraulische Steuerventileinrichtung
DE2718190C2 (de) Hydraulische Kolben-Zylinder-Anordnung zum Kippen des Fahrerhauses eines Lastkraftwagens
DE3341641C2 (enExample)
DE3225132A1 (de) Hydraulisches sicherheitsbremsventil
DE3419711A1 (de) Als kolbenventil ausgebildetes hydroventil zur steuerung eines hydraulischen verbrauchers
CH509535A (de) Sicherheitsventil für druckmittelbetriebene Vorrichtungen
DE2118936A1 (de) Bremsvorrichtung an umsteuerbaren hydraulischen motoren
EP3037678B1 (de) Hubmodul
DE2307403A1 (de) Ventilanordnung zur steuerung der betaetigung eines hydraulikmotors mit reversierender positiver verschiebung
DE2314590A1 (de) Ventilanordnung
DE4418881A1 (de) Hubwerkregelsystem mit Regelventil

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection