EP2126371B1 - Ensemble vanne - Google Patents

Ensemble vanne Download PDF

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Publication number
EP2126371B1
EP2126371B1 EP20080707119 EP08707119A EP2126371B1 EP 2126371 B1 EP2126371 B1 EP 2126371B1 EP 20080707119 EP20080707119 EP 20080707119 EP 08707119 A EP08707119 A EP 08707119A EP 2126371 B1 EP2126371 B1 EP 2126371B1
Authority
EP
European Patent Office
Prior art keywords
valve
control
pressure
additional
line
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
EP20080707119
Other languages
German (de)
English (en)
Other versions
EP2126371A1 (fr
Inventor
Winfried RÜB
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.)
Hydac Fluidtechnik GmbH
Original Assignee
Hydac Fluidtechnik GmbH
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 Hydac Fluidtechnik GmbH filed Critical Hydac Fluidtechnik GmbH
Publication of EP2126371A1 publication Critical patent/EP2126371A1/fr
Application granted granted Critical
Publication of EP2126371B1 publication Critical patent/EP2126371B1/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
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/163—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/32—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
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40561—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged upstream of the flow control means
    • 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
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle 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
    • F15B2211/605—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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve

Abstract

L'invention concerne un ensemble vanne comprenant un distributeur réglable (10), pourvu d'un tiroir de commande (12) servant à piloter au moins un raccord de consommateur (A, B) et d'une conduite de commande LS, la différence de pression entre deux pressions de pilotage (Xa, Xb) servant au pilotage du tiroir de commande (12). Du fait que les pressions de pilotage (Xa, Xb) pilotent également une vanne logique qui agit à son tour sur une vanne supplémentaire et/ou pilote une balance de pression placée en amont du distributeur (10) à tiroir de commande (12), la différence entre les deux pressions de pilotage (Xa, Xb) anime d'abord le tiroir de commande du distributeur, la plus haute ou la plus basse des deux pressions de pilotage (Xa, Xb) pilotant l'autre vanne sous forme de vanne supplémentaire et/ou influant sur la balance de pression.

Claims (6)

  1. Agencement de vanne
    - comprenant une vanne (10) réglable à plusieurs voies ayant un tiroir (12) de commande pour commander au moins un raccord (A, B) d'utilisateur, et
    - comprenant une ligne de commande LS, une vanne (20) logique, une vanne (22) supplémentaire et une balance (26) de pression,
    - dans lequel la différence entre deux pressions (xa, xb) de commande sert à commander le tiroir (12) de commande,
    - dans lequel les pressions (xa, xb) de commande commandent en outre la vanne (10) logique qui à son tour agit sur la vanne (22) supplémentaire et/ou commande la bascule (26) de pression,
    - dans lequel la bascule (26) de pression est montée en amont de la vanne (10) à plusieurs voies avec le tiroir (12) de commande entre une alimentation (P) en pression et un côté d'entrée de la vanne (10) à plusieurs voies et sur l'un de ses côtés d'entrée de commande est raccordé à une ligne (28) d'alimentation,
    - caractérisé en ce que la bascule (26) de pression communique avec la vanne (22) supplémentaire du côté de l'entrée de commande agissant en sens contraire de manière à ce que,
    - la bascule (26) de pression soit raccordée à un point (30) nodal, dans lequel débouche la ligne de commande LS, ainsi qu'un raccord pour du fluide de la vanne (22) supplémentaire sous la forme d'une vanne de limitation de la pression LS, la ligne de commande LS étant pourvue d'un étranglement ou d'un diaphragme (18), ou en ce que l'agencement de vanne a en outre un capteur (36) de pression et une électronique de vanne et,
    - en ce que la bascule (26) de pression communique par une ligne (41) de liaison avec la vanne (22) supplémentaire sous la forme d'une vanne de régulation de la pression LS, dans lequel, dans un conduit d'entrée supplémentaire allant de la ligne (28) d'alimentation à la ligne (40) de liaison, est inséré un diaphragme ou un étranglement (38) supplémentaire et la ligne de commande LS est raccordée à l'électronique de vanne par le capteur (36) de pression, et
    - et en ce que la vanne (20) logique est constituée en sélecteur agissant de manière inversée.
  2. Agencement de vanne suivant la revendication 1, caractérisée en ce que la vanne (22) supplémentaire peut être commandée au moyen d'un étage (24) de démultiplication de la pression, qui reçoit sa pression d'entrée par le côté de la sortie de la vanne (20) logique.
  3. Agencement de vanne suivant l'une des revendications précédentes, caractérisée en ce que la ligne LS est reliée à un microprocesseur (MC) de l'électronique de commande de vanne par le capteur (36) de pression.
  4. Agencement de vanne suivant l'une des revendications précédentes, caractérisée en ce que les pressions (xa, xb) de commande peuvent être prescrites par respectivement une vanne (14, 16) pilote agissant de manière séparée.
  5. Agencement de vanne suivant la revendication 3 et 4, caractérisée en ce que le microprocesseur (MC) de l'électronique de commande de vanne commande les deux vannes (14, 16) pilotes.
  6. Agencement de vanne suivant l'une des revendications précédentes, caractérisée en ce que la vanne (10) réglable à plusieurs voies comporte au moins un raccord (T) de cuve.
EP20080707119 2007-03-27 2008-01-18 Ensemble vanne Not-in-force EP2126371B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710014550 DE102007014550A1 (de) 2007-03-27 2007-03-27 Ventilanordnung
PCT/EP2008/000362 WO2008116515A1 (fr) 2007-03-27 2008-01-18 Ensemble vanne

Publications (2)

Publication Number Publication Date
EP2126371A1 EP2126371A1 (fr) 2009-12-02
EP2126371B1 true EP2126371B1 (fr) 2012-04-11

Family

ID=39316144

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080707119 Not-in-force EP2126371B1 (fr) 2007-03-27 2008-01-18 Ensemble vanne

Country Status (4)

Country Link
US (1) US8479636B2 (fr)
EP (1) EP2126371B1 (fr)
DE (1) DE102007014550A1 (fr)
WO (1) WO2008116515A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325390B2 (fr) * 2009-10-20 2019-06-26 Joseph Vögele AG Poutre lisseuse et finisseuse de route
DE202011110161U1 (de) * 2011-11-12 2013-02-08 Knocks Fluid-Technik GmbH Präzisionsvolumenstrombooster
DE102014005410A1 (de) * 2014-03-01 2015-09-03 Hydac Filtertechnik Gmbh Ventilvorrichtung
KR102389687B1 (ko) * 2015-01-14 2022-04-22 현대두산인프라코어 주식회사 건설기계의 제어 시스템
US20170023149A1 (en) * 2015-07-22 2017-01-26 Cnh Industrial America Llc Hydraulic signal control system and method

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
DE3428403A1 (de) * 1983-08-01 1985-04-11 Závody těžkého strojírenství Výzkumný ústav stavebních a zemních stroju, Brünn/Brno Zweistufige, druckkompensierte hydraulische steuereinrichtung fuer mindestens zwei verbraucher
JPH076521B2 (ja) 1987-06-30 1995-01-30 日立建機株式会社 ロ−ドセンシング油圧駆動回路の制御装置
DE68910940T2 (de) * 1988-05-10 1994-04-21 Hitachi Construction Machinery Hydraulische antriebseinheit für baumaschinen.
WO1990000683A1 (fr) 1988-07-08 1990-01-25 Hitachi Construction Machinery Co., Ltd. Appareil hydrodynamique
WO1990010795A1 (fr) 1989-03-13 1990-09-20 Hitachi Construction Machinery Co., Ltd. Unite de commande hydraulique pour engin de terrassement
DE4036720C2 (de) * 1990-11-17 2001-09-13 Linde Ag Steuerschaltung für die lastunabhängige Aufteilung eines Druckmittelstromes
DE9106442U1 (fr) 1991-05-25 1991-08-14 Buchholz Hydraulik Gmbh, 2300 Klausdorf, De
DE4231399A1 (de) * 1992-08-20 1994-02-24 Rexroth Mannesmann Gmbh Hydraulische Steuereinrichtung
DE4235709A1 (de) 1992-10-22 1994-04-28 Linde Ag Hydrostatisches Antriebssystem
JP2972530B2 (ja) * 1994-11-16 1999-11-08 新キャタピラー三菱株式会社 建設機械の作業機制御装置
DE19615593B4 (de) * 1996-04-19 2007-02-22 Linde Ag Hydrostatisches Antriebssystem
US6196247B1 (en) 1996-11-11 2001-03-06 Mannesmann Rexroth Ag Valve assembly and method for actuation of such a valve assembly
EP1584823B1 (fr) 2002-12-27 2010-07-14 Hitachi Construction Machinery Co., Ltd. Dispositif de commande d'un cylindre hydraulique de travail
DE102004005606B3 (de) * 2004-02-05 2005-10-06 Hydac Fluidtechnik Gmbh Schaltungsanordnung
DE102005011395A1 (de) * 2005-03-11 2006-09-14 Bosch Rexroth Ag Hydraulische Steueranordnung
DE102005050169A1 (de) 2005-06-21 2006-12-28 Bosch Rexroth Ag LS-Steueranordnung und LS-Wegeventil

Also Published As

Publication number Publication date
US8479636B2 (en) 2013-07-09
DE102007014550A1 (de) 2008-10-09
WO2008116515A1 (fr) 2008-10-02
EP2126371A1 (fr) 2009-12-02
US20100018198A1 (en) 2010-01-28

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