FR2328868A1 - Dispositif de securite pour moteur hydraulique de deplacement d'une charge - Google Patents

Dispositif de securite pour moteur hydraulique de deplacement d'une charge

Info

Publication number
FR2328868A1
FR2328868A1 FR7631728A FR7631728A FR2328868A1 FR 2328868 A1 FR2328868 A1 FR 2328868A1 FR 7631728 A FR7631728 A FR 7631728A FR 7631728 A FR7631728 A FR 7631728A FR 2328868 A1 FR2328868 A1 FR 2328868A1
Authority
FR
France
Prior art keywords
valve
parallel
hydraulic motor
hydraulic fluid
variable choke
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.)
Granted
Application number
FR7631728A
Other languages
English (en)
French (fr)
Other versions
FR2328868B1 (OSRAM
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 FR2328868A1 publication Critical patent/FR2328868A1/fr
Application granted granted Critical
Publication of FR2328868B1 publication Critical patent/FR2328868B1/fr
Granted 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003—Systems with load-holding 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
    • F15B2211/305—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
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional 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
    • F15B2211/31576—Directional 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
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41554—Flow control characterised by the connections of the flow control means in the circuit being connected to a return line and a directional control valve
    • 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/40—Flow control
    • F15B2211/47—Flow control in one direction only
    • F15B2211/473—Flow control in one direction only without restriction in the reverse direction
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50581—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/863—Control 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)
FR7631728A 1975-10-21 1976-10-21 Dispositif de securite pour moteur hydraulique de deplacement d'une charge Granted FR2328868A1 (fr)

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 (2)

Publication Number Publication Date
FR2328868A1 true FR2328868A1 (fr) 1977-05-20
FR2328868B1 FR2328868B1 (OSRAM) 1981-12-04

Family

ID=20325862

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631728A Granted FR2328868A1 (fr) 1975-10-21 1976-10-21 Dispositif de securite pour moteur hydraulique de deplacement d'une charge

Country Status (3)

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

Cited By (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
EP0068197A1 (en) * 1981-06-12 1983-01-05 Hitachi Construction Machinery Co., Ltd. Locking apparatus of inertial mass drive hydraulic circuit system
EP1347103A2 (en) * 2002-03-06 2003-09-24 Fiat Kobelco Construction Machinery S.p.A. Control of an operating arm of an earthmoving vehicle
ITMO20100253A1 (it) * 2010-09-08 2012-03-09 Nem S P A Sistema di controllo di un attuatore oleoidraulico per la salita e la discesa di un carico

Families Citing this family (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
AT386814B (de) * 1986-06-27 1988-10-25 Schwarzmueller Wilhelm Gmbh Sattelzug
JPH01105001A (ja) * 1987-10-16 1989-04-21 Smc Corp 等速度駆動弁
DE4105459A1 (de) * 1991-02-21 1992-08-27 Heilmeier & Weinlein Hydraulische steuervorrichtung

Citations (4)

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

Patent Citations (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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV903/66 *

Cited By (6)

* 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
EP0068197A1 (en) * 1981-06-12 1983-01-05 Hitachi Construction Machinery Co., Ltd. Locking apparatus of inertial mass drive hydraulic circuit system
EP1347103A2 (en) * 2002-03-06 2003-09-24 Fiat Kobelco Construction Machinery S.p.A. Control of an operating arm of an earthmoving vehicle
ITMO20100253A1 (it) * 2010-09-08 2012-03-09 Nem S P A Sistema di controllo di un attuatore oleoidraulico per la salita e la discesa di un carico
EP2428686A1 (en) * 2010-09-08 2012-03-14 Nem S.P.A. System for controlling a hydraulic actuator for the rise and descent of a load

Also Published As

Publication number Publication date
DE2647372A1 (de) 1977-04-28
SE7511805L (sv) 1977-04-22
FR2328868B1 (OSRAM) 1981-12-04
SE393843B (sv) 1977-05-23

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Legal Events

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