EP1643138B1 - Commande hydraulique - Google Patents

Commande hydraulique Download PDF

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Publication number
EP1643138B1
EP1643138B1 EP05021173A EP05021173A EP1643138B1 EP 1643138 B1 EP1643138 B1 EP 1643138B1 EP 05021173 A EP05021173 A EP 05021173A EP 05021173 A EP05021173 A EP 05021173A EP 1643138 B1 EP1643138 B1 EP 1643138B1
Authority
EP
European Patent Office
Prior art keywords
pressure
control
line
valve
outlet
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.)
Not-in-force
Application number
EP05021173A
Other languages
German (de)
English (en)
Other versions
EP1643138A1 (fr
Inventor
Armin Stellwagen
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.)
Bosch Rexroth AG
Original Assignee
Bosch Rexroth AG
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 Bosch Rexroth AG filed Critical Bosch Rexroth AG
Publication of EP1643138A1 publication Critical patent/EP1643138A1/fr
Application granted granted Critical
Publication of EP1643138B1 publication Critical patent/EP1643138B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
    • 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
    • F15B2211/30515—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
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and 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
    • F15B2211/365—Directional control combined with flow control and pressure control
    • 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
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back 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
    • F15B2211/50—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
    • F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure 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
    • F15B2211/50—Pressure control
    • F15B2211/57—Control of a differential 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
    • F15B2211/50—Pressure control
    • F15B2211/575—Pilot pressure control
    • F15B2211/5756—Pilot pressure control for opening a 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6055—Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/65—Methods of control of the load sensing pressure
    • F15B2211/654—Methods of control of the load sensing pressure the load sensing pressure being lower than the load 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/76—Control of force or torque of the output member
    • F15B2211/761—Control of a negative load, i.e. of a load generating hydraulic energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Fluid Pressure (AREA)

Claims (12)

  1. Dispositif de commande hydraulique pour la commande d'un consommateur hydraulique (2) avec un diaphragme de dosage réglable (40) par l'intermédiaire duquel un fluide sous pression est alimenté au consommateur hydraulique au moyen d'une conduite montante (16), avec une balance de pression d'alimentation (32) disposée en amont du diaphragme de dosage (40) et avec une balance de pression d'évacuation (60) qui est disposée dans une conduite descendante entre un diaphragme de mesure de sortie réglable (42) et le consommateur hydraulique (2) pour la régulation du courant de sortie du débit de fluide sous pression sortant du consommateur hydraulique (2) vers un réservoir (T) lors de la descente sous charge sous pression et qui est alimentée dans le sens de fermeture par la pression en amont du diaphragme de mesure de sortie (42), caractérisé en ce que, pour la régulation du courant de sortie, une faible pression constante est réglée dans la conduite montante (16) et en ce que la balance de pression d'évacuation (60) est alimentée dans le sens d'ouverture par la pression constante dans la conduite montante (16).
  2. Dispositif de commande selon la revendication 1, dans lequel, pour la régulation de la pression constante dans la conduite montante (16), la balance de pression d'alimentation (32) est alimentée dans le sens d'ouverture par une pression constante.
  3. Dispositif de commande selon la revendication 2, dans lequel la pression constante est réglable à l'aide d'une soupape de limitation de pression de descente (48) réglée sur la basse pression qui, lors de la descente, est raccordée à une conduite de signalisation (36) reliée à la conduite montante (16) par l'intermédiaire d'une buse (43) et qui forme une soupape pilote de détente de pression conjointement avec la balance de pression d'alimentation (32).
  4. Dispositif de commande selon la revendication 3, dans lequel la soupape de limitation de pression de descente (48) est réglable.
  5. Dispositif de commande selon l'une quelconque des revendications précédentes, dans lequel le diaphragme de dosage (40) et le diaphragme de mesure de sortie (42) sont formés par une soupape trois voies réglable en continu (26).
  6. Dispositif de commande selon l'une quelconque des revendications précédentes, dans lequel une soupape antiretour déblocable (66) est disposée entre la balance de pression d'évacuation (60) et le consommateur (2).
  7. Dispositif de commande selon l'une quelconque des revendications précédentes, avec une conduite de dérivation (70) contournant la balance de pression d'évacuation (60) à laquelle est associée une soupape antiretour de dérivation (72) s'ouvrant vers le consommateur (2).
  8. Dispositif de commande selon l'une quelconque des revendications 1 à 6, dans lequel la pression de commande est prélevée par une soupape trois voies (74) qui, dans sa position de base (a), relie une conduite de commande (78) pilotant la pression de commande avec une conduite (62) alimentée par la pression d'alimentation et, dans une position de commutation (b), avec un tronçon de conduite (58) pilotant la pression entre le diaphragme de mesure de sortie (42) et la balance de pression d'évacuation (60).
  9. Dispositif de commande selon la revendication 8, dans lequel la soupape trois voies (74) est alimentée par la pression montante dans le sens de la position de base (a) et par la pression entre la balance de pression d'évacuation (60) et le diaphragme de mesure de sortie (42) dans la position de fermeture.
  10. Dispositif de commande selon la revendication 6, dans lequel la soupape antiretour déblocable (66) est déblocable par la pression de commande.
  11. Dispositif de commande selon l'une quelconque des revendications précédentes, avec une pompe à débit variable (6) qui peut être commandée en fonction d'un signal de pression de charge du consommateur prélevé au moyen d'une conduite LS (14).
  12. Dispositif de commande selon l'une quelconque des revendications précédentes, dans lequel le consommateur (2) est un cylindre hydraulique.
EP05021173A 2004-10-04 2005-09-28 Commande hydraulique Not-in-force EP1643138B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004048642A DE102004048642A1 (de) 2004-10-04 2004-10-04 Hydraulische Steueranordnung

Publications (2)

Publication Number Publication Date
EP1643138A1 EP1643138A1 (fr) 2006-04-05
EP1643138B1 true EP1643138B1 (fr) 2008-06-11

Family

ID=35507813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05021173A Not-in-force EP1643138B1 (fr) 2004-10-04 2005-09-28 Commande hydraulique

Country Status (4)

Country Link
EP (1) EP1643138B1 (fr)
AT (1) ATE398239T1 (fr)
DE (2) DE102004048642A1 (fr)
DK (1) DK1643138T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263142A (ja) * 2006-03-27 2007-10-11 Toyota Industries Corp 油圧制御装置
EP3135924B1 (fr) * 2015-08-24 2018-01-10 HAWE Hydraulik SE Commande hydraulique
DE102018001303A1 (de) * 2018-02-20 2019-08-22 Hydac Fluidtechnik Gmbh Ventilvorrichtung
IT202100000431A1 (it) * 2021-01-12 2022-07-12 Bosch Gmbh Robert Sistema di controllo per un cilindro attuatore di una gru
CN111255776B (zh) * 2020-05-07 2020-07-17 上海建工集团股份有限公司 超高层建筑整体钢平台模架液压控制系统及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19800721A1 (de) * 1998-01-12 1999-07-15 Danfoss As Steuervorrichtung für einen hydraulischen Motor
US20030141132A1 (en) * 2002-01-31 2003-07-31 Kowalyk Vladimir M. Integral over-running load control valve on tractor remote valve section for agricultural loader boom circuit
DE10216958B8 (de) * 2002-04-17 2004-07-08 Sauer-Danfoss (Nordborg) A/S Hydraulische Steuerung

Also Published As

Publication number Publication date
EP1643138A1 (fr) 2006-04-05
DK1643138T3 (da) 2008-09-22
DE102004048642A1 (de) 2006-04-06
DE502005004381D1 (de) 2008-07-24
ATE398239T1 (de) 2008-07-15

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