EP1580437B1 - Vérin hydraulique pour outil hydraulique - Google Patents

Vérin hydraulique pour outil hydraulique Download PDF

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Publication number
EP1580437B1
EP1580437B1 EP05075591A EP05075591A EP1580437B1 EP 1580437 B1 EP1580437 B1 EP 1580437B1 EP 05075591 A EP05075591 A EP 05075591A EP 05075591 A EP05075591 A EP 05075591A EP 1580437 B1 EP1580437 B1 EP 1580437B1
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EP
European Patent Office
Prior art keywords
cylinder
piston rod
pressure
piston
supply 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.)
Active
Application number
EP05075591A
Other languages
German (de)
English (en)
Other versions
EP1580437A1 (fr
Inventor
Gertrudis Maria Gerardus De Gier
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.)
Demolition and Recycling Equipment BV
Original Assignee
Demolition and Recycling Equipment BV
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 Demolition and Recycling Equipment BV filed Critical Demolition and Recycling Equipment BV
Priority to PL05075591T priority Critical patent/PL1580437T3/pl
Publication of EP1580437A1 publication Critical patent/EP1580437A1/fr
Application granted granted Critical
Publication of EP1580437B1 publication Critical patent/EP1580437B1/fr
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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
    • F15B11/022—Systems essentially incorporating special features for controlling the speed or actuating force of an output member in which a rapid approach stroke is followed by a slower, high-force working stroke
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1466—Hollow piston sliding over a stationary rod inside the cylinder
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • 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
    • F15B2211/3052—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
    • F15B2211/30—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
    • F15B2211/329—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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/625—Accumulators
    • 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
    • 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
    • F15B2211/7055—Linear output members having more than two chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Gripping On Spindles (AREA)
  • Medicinal Preparation (AREA)

Claims (14)

  1. Vérin hydraulique destiné, par exemple, à être utilisé dans un outil hydraulique, comportant :
    - un corps de cylindre creux (8) logeant
    - un premier piston (14-20), premier piston qui est composé d'une première tige de piston creuse (14), laquelle s'étend à partir du corps de cylindre, et d'un premier corps de piston (20) qui y est raccordé, ledit corps de cylindre et ledit premier corps de piston définissant une première chambre de cylindre (21) et ledit corps de cylindre, ledit premier corps de piston et ladite première tige de piston définissant une seconde chambre de cylindre(22), de même que
    - un second piston (26-25) logé dans la première tige de piston creuse (14), lequel second piston est composé d'une seconde tige de piston (26) qui s'étend à travers le premier corps de piston et qui est raccordée au corps de cylindre (8), et un second corps de piston (25) raccordé à celle-ci, ladite première tige de piston et ledit second corps de piston définissant une troisième chambre de cylindre (23) et ladite première tige de piston, ledit premier corps de piston, ladite seconde tige de piston et ledit second corps de piston définissant une quatrième chambre de cylindre (24),
    dans lequel la seconde tige de piston (26) est dotée d'au moins un alésage (27) qui s'achève dans la troisième chambre de cylindre, et dans lequel
    les chambres de cylindre (21-22-23-24) peuvent être raccordées, à une première ligne (P1) et à une seconde ligne (P2) d'alimentation, respectivement, destinées à un fluide pressurisé pour détendre et rétracter la première tige de piston (14), caractérisé en ce que une vanne au moins de commande de pression(30) est prévue, laquelle commande la fourniture de fluide pressurisé aux différentes chambres de cylindre en fonction de la différence de pression entre la première ligne d'alimentation et la seconde ligne d'alimentation en commandant une vanne actionnée par la pression (31) sur la base de la différence de pression entre la première ligne d'alimentation et la seconde ligne d'alimentation, d'une manière telle que, lorsque la pression provoquée par la résistance de charge pendant la course vers l'extérieur / vers l'intérieur du premier piston est inférieure au niveau de pression prédéterminé, la vanne commandée par la pression accédera à une première/seconde position extrême, et lorsque la pression provoquée par la résistance de charge est supérieure au niveau de pression prédéterminé, la vanne actionnée par la pression accédera à une position centrale.
  2. Vérin hydraulique selon la revendication 1, caractérisé en ce que la vanne actionnée par la pression, placée dans sa position centrale, met les première et troisième chambres de cylindre en communication avec la première ligne d'alimentation et les deuxième et quatrième chambres de cylindre en communication avec la seconde ligne d'alimentation.
  3. Vérin hydraulique selon la revendication 1 ou 2, caractérisé en ce que dans les première (X) et seconde (Y) positions extrêmes, les première, deuxième, troisième et quatrième chambres de cylindre peuvent être placées en communication avec la première et/ou la seconde ligne d'alimentation.
  4. Vérin hydraulique selon l'une quelconque des revendications précédentes, caractérisé en ce que, lorsque la pression provoquée par la résistance de charge est inférieure au niveau de pression prédéterminé à la fois pendant la course vers l'extérieur et pendant la course vers l'intérieur de la première tige de piston, la vitesse de déplacement de la première tige de piston sera élevée et la force de ladite tige de piston sera faible, et lorsque la pression entraînée par la résistance de charge est plus élevée que le niveau de pression prédéterminé à la fois pendant la course vers l'extérieur et pendant la course vers l'intérieur de la première tige de piston, la vitesse de déplacement de la première tige de piston sera faible et la force de ladite tige de piston sera élevée.
  5. Vérin hydraulique selon la revendication 4, caractérisé en ce que la vanne actionnée par la pression met les deuxième, troisième et quatrième chambres de cylindre en communication avec la seconde ligne d'alimentation dans sa première position extrême.
  6. Vérin hydraulique selon la revendication 4, caractérisé en ce que la vanne actionnée par la pression place les première, deuxième, troisième et quatrième chambres de cylindre en communication avec la première ligne d'alimentation dans sa première position extrême.
  7. Vérin hydraulique selon la revendication 4, caractérisé en ce que la vanne actionnée par la pression met la troisième chambre de cylindre et au moins la deuxième chambre de cylindre en communication avec la seconde ligne d'alimentation dans sa seconde position extrême.
  8. Vérin hydraulique selon la revendication 7, caractérisé en ce que la vanne actionnée par la pression met la quatrième chambre de cylindre en communication avec la seconde ligne d'alimentation dans sa seconde position extrême.
  9. Vérin hydraulique selon l'une quelconque ou davantage des revendications précédentes 1 à 5, 7 ou 8, caractérisé en ce que ladite seconde chambre de cylindre et ladite quatrième chambre de cylindre sont en communication directe l'une avec l'autre.
  10. Vérin hydraulique selon la revendication 9, caractérisé en ce que ladite deuxième chambre de cylindre et ladite quatrième chambre de cylindre sont en communication l'une avec l'autre par l'intermédiaire d'au moins une ouverture (28) formée dans la première tige de piston.
  11. Vérin hydraulique selon la revendication 9, caractérisé en ce que la seconde tige de piston est pourvue d'un alésage supplémentaire qui s'achève dans la quatrième chambre de cylindre.
  12. Vérin hydraulique selon l'une quelconque ou davantage des revendications précédentes 1 à 5, ou 7 à 11, caractérisé en ce que les deuxième et troisième chambres de cylindre sont, chacune, en communication avec un réservoir de stockage (35) destiné au fluide par l'intermédiaire d'une soupape de retenue (36-37).
  13. Vérin hydraulique selon la revendication 12, caractérisé en ce que la soupape de retenue destinée à la troisième chambre est une soupape de retenue actionnée par la pression.
  14. Vérin hydraulique selon la revendication 12, caractérisé en ce que la soupape de retenue destinée à la troisième ligne d'alimentation est une soupape de retenue qui est actionnée par la vanne de commande de pression.
EP05075591A 2004-03-25 2005-03-10 Vérin hydraulique pour outil hydraulique Active EP1580437B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05075591T PL1580437T3 (pl) 2004-03-25 2005-03-10 Siłownik hydrauliczny do stosowania w narzędziach hydraulicznych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1025806 2004-03-25
NL1025806A NL1025806C2 (nl) 2004-03-25 2004-03-25 Hydraulische cilinder bijvoorbeeld voor toepassing bij een hydraulisch gereedschap.

Publications (2)

Publication Number Publication Date
EP1580437A1 EP1580437A1 (fr) 2005-09-28
EP1580437B1 true EP1580437B1 (fr) 2007-12-12

Family

ID=34859204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05075591A Active EP1580437B1 (fr) 2004-03-25 2005-03-10 Vérin hydraulique pour outil hydraulique

Country Status (7)

Country Link
EP (1) EP1580437B1 (fr)
AT (1) ATE380940T1 (fr)
DE (1) DE602005003696T2 (fr)
DK (1) DK1580437T3 (fr)
ES (1) ES2296060T3 (fr)
NL (1) NL1025806C2 (fr)
PL (1) PL1580437T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2692186C2 (ru) * 2015-03-06 2019-06-21 Отто Нуссбаум Гмбх Унд Ко. Кг Цилиндровый поршневой агрегат

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DE102010001337A1 (de) * 2010-01-28 2011-08-18 Metso Paper, Inc. Anordnung zur Steuerung der Position einer Vorrichtung mit einer fluiddruckgetriebenen Kolben-Zylinder-Einrichtung
RU2594398C2 (ru) 2010-07-21 2016-08-20 Вольво Компакт Эквипмент С А С Съемный узел прижимного элемента и механизм обратной лопаты с таким узлом
DE102010033840A1 (de) 2010-08-10 2012-02-16 Alpha Fluid Hydrauliksysteme Müller GmbH Hydraulische Schaltungsanordnung zum Betrieb mechanisch gekoppelter, druckmittelbetätigter Verdrängereinheiten
US9003951B2 (en) * 2011-10-05 2015-04-14 Caterpillar Inc. Hydraulic system with bi-directional regeneration
CN102678654A (zh) * 2012-06-02 2012-09-19 山西高行液压股份有限公司 变速油缸系统
DE102012020581A1 (de) * 2012-10-22 2014-04-24 Robert Bosch Gmbh Hydraulische Schaltung für eine hydraulische Achse und eine hydraulische Achse
NL2010256C2 (nl) * 2013-02-06 2014-08-07 Hfx Res B V Cilindersamenstel.
JP6286216B2 (ja) * 2014-01-31 2018-02-28 Ｋｙｂ株式会社 作業機の制御システム及び低圧選択回路
DE102016205973A1 (de) * 2016-04-11 2017-10-12 Sms Group Gmbh Hydraulikzylinder
DE102016124118B4 (de) * 2016-12-13 2021-12-09 Voith Patent Gmbh Hydraulischer Antrieb mit Eil- und Lasthub
NL2018276B1 (nl) * 2017-02-01 2018-08-22 Demolition And Recycling Equipment B V Hydraulische cilinder bijvoorbeeld voor toepassing bij een hydraulisch gereedschap.
CN107630856B (zh) * 2017-11-08 2023-11-28 安徽星马专用汽车有限公司 一种顺序伸缩油缸及起重机
CN108127953A (zh) * 2017-12-20 2018-06-08 马鞍山创诚中小企业服务中心有限公司 数控冲床
CN107999594A (zh) * 2017-12-20 2018-05-08 马鞍山创诚中小企业服务中心有限公司 行程精确控制冲压装置
CN108115029A (zh) * 2017-12-20 2018-06-05 马鞍山创诚中小企业服务中心有限公司 数控冲床冲压方法
WO2019152852A2 (fr) 2018-02-01 2019-08-08 Vanderbilt University Actionneur de cylindre
CN108397440A (zh) * 2018-04-11 2018-08-14 江阴市军炫智能装备有限公司 一种用于中大型液压金属屑压块机的快速装置
DE102020112884A1 (de) 2020-05-12 2021-11-18 Ewo Fluid Power Gmbh Doppelt wirkender Hydraulikzylinder mit redundanten Druckkammern
NL2025765B1 (nl) * 2020-06-05 2022-01-28 Demolition And Recycling Equipment B V Hydraulische cilinder bijvoorbeeld voor toepassing bij een hydraulisch gereedschap.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2692186C2 (ru) * 2015-03-06 2019-06-21 Отто Нуссбаум Гмбх Унд Ко. Кг Цилиндровый поршневой агрегат

Also Published As

Publication number Publication date
ATE380940T1 (de) 2007-12-15
PL1580437T3 (pl) 2008-05-30
EP1580437A1 (fr) 2005-09-28
ES2296060T3 (es) 2008-04-16
DE602005003696D1 (de) 2008-01-24
NL1025806C2 (nl) 2005-09-27
DK1580437T3 (da) 2008-04-07
DE602005003696T2 (de) 2008-12-04

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